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Records |
Links |
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Author |
Chandrasekaran, M.; Ghosh, G.; Schryvers, D.; de Graef, M.; Delaey, L.; Van Tendeloo, G. |
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Title |
Decomposition of a metastable bcc phase in rapidly solidified Ni-9 at.% Zr and Ni-8 at.%X alloys |
Type |
A1 Journal article |
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Year |
1997 |
Publication |
Philosophical magazine: A: physics of condensed matter: defects and mechanical properties |
Abbreviated Journal |
Philos Mag A |
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Volume |
75 |
Issue |
|
Pages |
677-701 |
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Keywords |
A1 Journal article; Electron microscopy for materials research (EMAT) |
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Abstract |
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Address |
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Corporate Author |
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Thesis |
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Publisher |
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Place of Publication |
London |
Editor |
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Language |
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Wos |
A1997WN48000006 |
Publication Date |
0000-00-00 |
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Series Editor |
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Series Title |
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Abbreviated Series Title |
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Series Volume |
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Series Issue |
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Edition |
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ISSN |
0141-8610; 1364-2804 |
ISBN |
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Additional Links |
UA library record; WoS full record; WoS citing articles |
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Impact Factor |
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Times cited |
5 |
Open Access |
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Notes |
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Approved |
Most recent IF: NA |
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Call Number |
UA @ lucian @ c:irua:21343 |
Serial |
608 |
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Permanent link to this record |
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Author |
Lei, C.H.; Amelinckx, S.; Van Tendeloo, G. |
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Title |
'Disordered' Ba(Mg1/3Ta2/3)O3 and its ordering transition |
Type |
A1 Journal article |
|
Year |
2002 |
Publication |
Philosophical magazine: A: physics of condensed matter: defects and mechanical properties |
Abbreviated Journal |
Philos Mag A |
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Volume |
82 |
Issue |
11 |
Pages |
2321-2332 |
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Keywords |
A1 Journal article; Electron microscopy for materials research (EMAT) |
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Abstract |
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Address |
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Corporate Author |
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Thesis |
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Publisher |
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Place of Publication |
London |
Editor |
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Language |
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Wos |
000177061000007 |
Publication Date |
0000-00-00 |
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Series Editor |
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Series Title |
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Abbreviated Series Title |
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Series Volume |
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Series Issue |
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Edition |
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ISSN |
0141-8610; 1364-2804 |
ISBN |
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Additional Links |
UA library record; WoS full record; WoS citing articles |
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Impact Factor |
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Times cited |
5 |
Open Access |
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Notes |
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Approved |
Most recent IF: NA |
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Call Number |
UA @ lucian @ c:irua:54754 |
Serial |
735 |
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Permanent link to this record |
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Author |
Seo, J.W.; Schryvers, D.; Vermeulen, W.; Richard, O.; Potapov, P. |
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Title |
EM investigation of precursors and precipitation in a Ni39.6Mn47.5Ti12.9 alloy |
Type |
A1 Journal article |
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Year |
1999 |
Publication |
Philosophical magazine: A: physics of condensed matter: defects and mechanical properties |
Abbreviated Journal |
Philos Mag A |
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Volume |
79 |
Issue |
|
Pages |
1279-1294 |
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Keywords |
A1 Journal article; Electron microscopy for materials research (EMAT) |
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Abstract |
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Address |
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Corporate Author |
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Thesis |
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Publisher |
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Place of Publication |
London |
Editor |
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Language |
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Wos |
000080687900002 |
Publication Date |
0000-00-00 |
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Series Editor |
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Series Title |
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Abbreviated Series Title |
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Series Volume |
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Series Issue |
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Edition |
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ISSN |
0141-8610; 1364-2804 |
ISBN |
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Additional Links |
UA library record; WoS full record; WoS citing articles |
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Impact Factor |
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Times cited |
3 |
Open Access |
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Notes |
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Approved |
Most recent IF: NA |
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Call Number |
UA @ lucian @ c:irua:29378 |
Serial |
1029 |
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Permanent link to this record |
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Author |
Fedina, L.; Gutakovskii, A.; Aseev, A.; van Landuyt, J.; Vanhellemont, J. |
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Title |
On the mechanism of {111}-defect formation in silicon studies by in situ electrin irradiation in a high resolution electron microscope |
Type |
A1 Journal article |
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Year |
1998 |
Publication |
Philosophical magazine: A: physics of condensed matter: defects and mechanical properties |
Abbreviated Journal |
Philos Mag A |
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Volume |
77 |
Issue |
2 |
Pages |
423-435 |
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Keywords |
A1 Journal article; Electron microscopy for materials research (EMAT) |
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Abstract |
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Address |
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Corporate Author |
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Thesis |
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Publisher |
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Place of Publication |
London |
Editor |
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Language |
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Wos |
000071976400010 |
Publication Date |
0000-00-00 |
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Series Editor |
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Series Title |
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Abbreviated Series Title |
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Series Volume |
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Series Issue |
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Edition |
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ISSN |
0141-8610; 1364-2804 |
ISBN |
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Additional Links |
UA library record; WoS full record; WoS citing articles |
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Impact Factor |
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Times cited |
23 |
Open Access |
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Notes |
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Approved |
Most recent IF: NA |
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Call Number |
UA @ lucian @ c:irua:29671 |
Serial |
2440 |
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Permanent link to this record |
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Author |
Lebedev, O.I.; Van Tendeloo, G.; Amelinckx, S.; Razavi, F.; Habermeier, H.-U. |
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Title |
Periodic microtwinning as a possible mechanism for the accommodation of the epitaxial film-substrate mismatch in the La1-xSrxMnO3/SrTiO3 system |
Type |
A1 Journal article |
|
Year |
2001 |
Publication |
Philosophical magazine: A: physics of condensed matter: defects and mechanical properties |
Abbreviated Journal |
Philos Mag A |
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Volume |
81 |
Issue |
4 |
Pages |
797-824 |
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Keywords |
A1 Journal article; Electron microscopy for materials research (EMAT) |
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Abstract |
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Address |
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Corporate Author |
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Thesis |
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Publisher |
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Place of Publication |
London |
Editor |
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Language |
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Wos |
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Publication Date |
0000-00-00 |
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Series Editor |
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Series Title |
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Abbreviated Series Title |
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Series Volume |
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Series Issue |
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Edition |
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ISSN |
0141-8610; 1364-2804 |
ISBN |
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Additional Links |
UA library record; WoS full record; WoS citing articles |
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Impact Factor |
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Times cited |
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Open Access |
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Notes |
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Approved |
Most recent IF: NA |
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Call Number |
UA @ lucian @ c:irua:54752 |
Serial |
2572 |
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Permanent link to this record |
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Author |
Zhang, X.F.; Van Tendeloo, G. |
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Title |
Structural evolution of Bi2Sr2CaCu2O8+\delta single crystals studies by “in situ” heating electron microscopy |
Type |
A1 Journal article |
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Year |
1994 |
Publication |
Philosophical magazine: A: physics of condensed matter: defects and mechanical properties |
Abbreviated Journal |
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Volume |
70 |
Issue |
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Pages |
549-560 |
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Keywords |
A1 Journal article; Electron microscopy for materials research (EMAT) |
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Abstract |
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Address |
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Corporate Author |
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Thesis |
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Publisher |
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Place of Publication |
London |
Editor |
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Language |
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Wos |
A1994PG03500011 |
Publication Date |
0000-00-00 |
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Series Editor |
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Series Title |
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Abbreviated Series Title |
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Series Volume |
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Series Issue |
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Edition |
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ISSN |
0141-8610; 1364-2804 |
ISBN |
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Additional Links |
UA library record; WoS full record; WoS citing articles |
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Impact Factor |
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Times cited |
5 |
Open Access |
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Notes |
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Approved |
PHYSICS, APPLIED 47/145 Q2 # |
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Call Number |
UA @ lucian @ c:irua:10038 |
Serial |
3235 |
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Permanent link to this record |
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Author |
Zhang, Z.; Geng, W.; van Landuyt, J.; Van Tendeloo, G. |
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Title |
A transmission electron microscopy study of tweed-like structures in Al62Cu17.5CO17.5Si3 decagonal quasicrystals |
Type |
A1 Journal article |
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Year |
1995 |
Publication |
Philosophical magazine: A: physics of condensed matter: defects and mechanical properties |
Abbreviated Journal |
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Volume |
71 |
Issue |
5 |
Pages |
1177-1189 |
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Keywords |
A1 Journal article; Electron microscopy for materials research (EMAT) |
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Abstract |
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Address |
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Corporate Author |
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Thesis |
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Publisher |
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Place of Publication |
London |
Editor |
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Language |
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Wos |
A1995QW79500016 |
Publication Date |
0000-00-00 |
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Series Editor |
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Series Title |
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Abbreviated Series Title |
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Series Volume |
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Series Issue |
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Edition |
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ISSN |
0141-8610; 1364-2804 |
ISBN |
|
Additional Links |
UA library record; WoS full record; WoS citing articles |
|
|
Impact Factor |
|
Times cited |
7 |
Open Access |
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Notes |
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Approved |
no |
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Call Number |
UA @ lucian @ c:irua:13296 |
Serial |
3721 |
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Permanent link to this record |
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Author |
Attri, P.; Razzokov, J.; Yusupov, M.; Koga, K.; Shiratani, M.; Bogaerts, A. |
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Title |
Influence of osmolytes and ionic liquids on the Bacteriorhodopsin structure in the absence and presence of oxidative stress: A combined experimental and computational study |
Type |
A1 Journal article |
|
Year |
2020 |
Publication |
International Journal Of Biological Macromolecules |
Abbreviated Journal |
Int J Biol Macromol |
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Volume |
148 |
Issue |
|
Pages |
657-665 |
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Keywords |
A1 Journal article; Plasma Lab for Applications in Sustainability and Medicine – Antwerp (PLASMANT) |
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Abstract |
Understanding the folding and stability of membrane proteins is of great importance in protein science. Recently, osmolytes and ionic liquids (ILs) are increasingly being used as drug delivery systems in the biopharmaceutical industry. However, the stability of membrane proteins in the presence of osmolytes and ILs is not yet fully understood. Besides, the effect of oxidative stress on membrane proteins with osmolytes or ILs has not been investigated. Therefore, we studied the influence of osmolytes and ILs as co-solvents on the stability of a model membrane protein (i.e., Bacteriorhodopsin in purple membrane of Halobacterium salinarum), using UV–Vis spectroscopy and molecular dynamics (MD) simulations. The MD simulations allowed us to determine the flexibility and solvent accessible surface area (SASA) of Bacteriorhodopsin protein in the presence and/or absence of cosolvents, as well as to carry out principal component analysis (PCA) to identify the most important movements in this protein. In addition, by means of UV–Vis spectroscopy we studied the effect of oxidative stress generated by cold atmospheric plasma on the stability of Bacteriorhodopsin in the presence and/or absence of co-solvents. This study is important for a better understanding of the stability of proteins in the presence of oxidative stress. |
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Address |
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Corporate Author |
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Thesis |
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Publisher |
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Place of Publication |
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Editor |
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Language |
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Wos |
000522094600066 |
Publication Date |
2020-01-20 |
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Series Editor |
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Series Title |
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Abbreviated Series Title |
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Series Volume |
|
Series Issue |
|
Edition |
|
|
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ISSN |
0141-8130 |
ISBN |
|
Additional Links |
UA library record; WoS full record; WoS citing articles |
|
|
Impact Factor |
8.2 |
Times cited |
|
Open Access |
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|
Notes |
Horizon2020, 743546 ; JSPS, 19H05462 16H03895 ; Nagoya University; We gratefully acknowledge the European Marie Skłodowska-Curie Individual Fellowship “Anticancer-PAM” within Horizon2020 (grant number 743546). This work was also supported by JSPS-KAKENHI 19H05462 and 16H03895, the joint usage/research program of Center for Low-temperature Plasma Science, Nagoya University and also supported by JSPS and RCL under the Japan-Lithuania Research Cooperative Program. The computational work was carried out using the Turing HPC infrastructure at the CalcUA core facility of the Universiteit Antwerpen (UA), a division of the Flemish Supercomputer Center VSC, funded by the Hercules Foundation, the Flemish Government (department EWI) and the UA. |
Approved |
Most recent IF: 8.2; 2020 IF: 3.671 |
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|
Call Number |
PLASMANT @ plasmant @c:irua:165585 |
Serial |
5444 |
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Permanent link to this record |
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Author |
Marimuthu, P.; Razzokov, J.; Eshonqulov, G. |
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Title |
Disruption of conserved polar interactions causes a sequential release of Bim mutants from the canonical binding groove of Mcl1 |
Type |
A1 Journal article |
|
Year |
2020 |
Publication |
International Journal Of Biological Macromolecules |
Abbreviated Journal |
Int J Biol Macromol |
|
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Volume |
158 |
Issue |
|
Pages |
364-374 |
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Keywords |
A1 Journal article; Engineering sciences. Technology; Plasma Lab for Applications in Sustainability and Medicine – Antwerp (PLASMANT) |
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Abstract |
Mcl1 is an important anti-apoptotic member of the Bcl2 family proteins that are upregulated in several cancer malignancies. The canonical binding groove (CBG) located at the surface of Mcl1 exhibits a critical role in binding partners selectively via the BH3-domain of pro-apoptotic Bcl2 family members that trigger the downregulation of Mcl1 function. There are several crystal structures of point-mutated pro-apoptotic Bim peptides in complex with Mcl1. However, the mechanistic effects of such point-mutations towards peptide binding and complex stability still remain unexplored. Here, the effects of the reported point mutations in Bim peptides and their binding mechanisms to Mcl1 were computationally evaluated using atomistic-level steered molecular dynamics (SMD) simulations. A range of external-forces and constant-velocities were applied to the Bim peptides to uncover the mechanistic basis of peptide dissociation from the CBG of Mcl1. Although the peptides showed similarities in their dissociation pathways, the peak rupture forces varied significantly. According to simulations results, the disruption of the conserved polar contacts at the complex interface causes a sequential release of the peptides from the CBG of Mcl1. Overall, the results obtained from the current study may provide valuable insights for the development of novel anti-cancer peptide-inhibitors that can downregulate Mcl1’s function. |
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Address |
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Corporate Author |
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Thesis |
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Publisher |
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Place of Publication |
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Editor |
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Language |
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Wos |
000564486400010 |
Publication Date |
2020-05-03 |
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Series Editor |
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Series Title |
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Abbreviated Series Title |
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Series Volume |
|
Series Issue |
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Edition |
|
|
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ISSN |
0141-8130 |
ISBN |
|
Additional Links |
UA library record; WoS full record; WoS citing articles |
|
|
Impact Factor |
8.2 |
Times cited |
|
Open Access |
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Notes |
P.M. gratefully acknowledges the Sigrid Jusélius Foundation, Joe, Pentti and Tor Borg Memorial Fund for computational and laboratory infrastructure, the Bioinformatics infrastructure facility supported by Biocenter Finland, CSC-IT Center for Science (Project: 2000461) for the high performance computational facility; Prof. Outi Salo-Ahen, SBL, Pharmacy, Åbo Akademi University and Prof. Olli Pentikäinen, MedChem, University of Turku for valuable discussion; Dr. Jukka Lehtonen for the IT support; and specially thanks Prof. Mark Johnson, SBL, Åbo Akademi University, for providing the lab facility. |
Approved |
Most recent IF: 8.2; 2020 IF: 3.671 |
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Call Number |
PLASMANT @ plasmant @c:irua:169231 |
Serial |
6365 |
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Permanent link to this record |
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Author |
Attri, P.; Park, J.-H.; De Backer, J.; Kim, M.; Yun, J.-H.; Heo, Y.; Dewilde, S.; Shiratani, M.; Choi, E.H.; Lee, W.; Bogaerts, A. |
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Title |
Structural modification of NADPH oxidase activator (Noxa 1) by oxidative stress: An experimental and computational study |
Type |
A1 Journal article |
|
Year |
2020 |
Publication |
International Journal Of Biological Macromolecules |
Abbreviated Journal |
Int J Biol Macromol |
|
|
Volume |
163 |
Issue |
|
Pages |
2405-2414 |
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Keywords |
A1 Journal article; Plasma Lab for Applications in Sustainability and Medicine – Antwerp (PLASMANT) |
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Abstract |
NADPH oxidases 1 (NOX1) derived reactive oxygen species (ROS) play an important role in the progression of cancer through signaling pathways. Therefore, in this paper, we demonstrate the effect of cold atmospheric plasma (CAP) on the structural changes of Noxa1 SH3 protein, one of the regulatory subunits of NOX1. For this purpose, firstly we purified the Noxa1 SH3 protein and analyzed the structure using X-ray crystallography, and subsequently, we treated the protein with two types of CAP reactors such as pulsed dielectric barrier discharge (DBD) and Soft Jet for different time intervals. The structural deformation of Noxa1 SH3 protein was analyzed by various experimental methods (circular dichroism, fluorescence, and NMR spectroscopy) and by MD simulations. Additionally, we demonstrate the effect of CAP (DBD and Soft Jet) on the viability and expression of NOX1 in A375 cancer cells. Our results are useful to understand the structural modification/oxidation occur in protein due to reactive oxygen and nitrogen (RONS) species generated by CAP. |
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Address |
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Corporate Author |
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Thesis |
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Publisher |
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Place of Publication |
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Editor |
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Language |
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Wos |
000579839600233 |
Publication Date |
2020-09-19 |
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Series Editor |
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Series Title |
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Abbreviated Series Title |
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Series Volume |
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Series Issue |
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Edition |
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ISSN |
0141-8130 |
ISBN |
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Additional Links |
UA library record; WoS full record; WoS citing articles |
|
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Impact Factor |
8.2 |
Times cited |
|
Open Access |
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|
Notes |
European Marie Skłodowska-Curie Individual Fellowship, 743546 ; JSPS, 20K14454 ; National Research Foundation of Korea, 2019M3A9F6021810 NRF-2017M3A9F6029753 NRF-2019M3E5D6063903 NRF-2016R1A6A3A04010213 ; Brain Korea 21; MSIT, NRF-2016K1A4A3914113 ; Hercules Foundation; Flemish Government; UA; We gratefully acknowledge the European Marie SkłodowskaCurie Individual Fellowship “Anticancer-PAM” within Horizon 2020 (grant number 743546). This work was also supported by JSPS-KAKENHI grant number 20K14454. Additionally, work was supported by several grants (2019M3A9F6021810, NRF2017M3A9F6029753, NRF-2019M3E5D6063903 to W. Lee), Basic Science Research Program (NRF-2016R1A6A3A04010213 to J.H. Yun) through the National Research Foundation of Korea and in part by the Brain Korea 21 (BK21) PLUS program (J.H.P.). EHC is thankful to National Research Foundation (NRF) of Korea, funded by the Korea government (MSIT) under the grant number (NRF2016K1A4A3914113). The computational work was carried out using the Turing HPC infrastructure at the CalcUA core facility of the Universiteit Antwerpen (UA), a division of the Flemish Supercomputer Center VSC, funded by the Hercules Foundation, the Flemish Government (department EWI) and the UA. |
Approved |
Most recent IF: 8.2; 2020 IF: 3.671 |
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Call Number |
PLASMANT @ plasmant @c:irua:172451 |
Serial |
6419 |
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Permanent link to this record |
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Author |
Attri, P.; Kaushik, N.K.; Kaushik, N.; Hammerschmid, D.; Privat-Maldonado, A.; De Backer, J.; Shiratani, M.; Choi, E.H.; Bogaerts, A. |
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Title |
Plasma treatment causes structural modifications in lysozyme, and increases cytotoxicity towards cancer cells |
Type |
A1 Journal Article |
|
Year |
2021 |
Publication |
International Journal Of Biological Macromolecules |
Abbreviated Journal |
Int J Biol Macromol |
|
|
Volume |
182 |
Issue |
|
Pages |
1724-1736 |
|
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Keywords |
A1 Journal Article; Lysozyme; Cold atmospheric plasma; Cancer cell death; Plasma, laser ablation and surface modeling Antwerp (PLASMANT) ; |
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Abstract |
Bacterial and mammalian proteins, such as lysozyme, are gaining increasing interest as anticancer drugs. This study aims to modify the lysozyme structure using cold atmospheric plasma to boost its cancer cell killing effect. We investigated the structure at acidic and neutral pH using various experimental techniques (circular dichroism, fluorescence, and mass spectrometry) and molecular dynamics simulations. The controlled structural modification of lysozyme at neutral pH enhances its activity, while the activity was lost at acidic pH at the same treatment conditions. Indeed, a larger number of amino acids were oxidized at acidic pH after plasma treatment, which results in a greater distortion of the lysozyme structure, whereas only limited structural changes were observed in lysozyme after plasma treatment at neutral pH. We found that the plasma-treated lysozyme significantly induced apoptosis to the cancer cells. Our results reveal that plasma-treated lysozyme could have potential as a new cancer cell killing drug. |
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Address |
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Corporate Author |
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Thesis |
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Publisher |
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Place of Publication |
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Editor |
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Language |
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Wos |
000675794700005 |
Publication Date |
2021-05-27 |
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Series Editor |
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Series Title |
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Abbreviated Series Title |
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Series Volume |
|
Series Issue |
|
Edition |
|
|
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ISSN |
0141-8130 |
ISBN |
|
Additional Links |
UA library record; WoS full record; WoS citing articles |
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|
Impact Factor |
3.671 |
Times cited |
|
Open Access |
OpenAccess |
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Notes |
Japan Society for the Promotion of Science; We gratefully acknowledge the European H2020 Marie SkłodowskaCurie Actions Individual Fellowship “Anticancer-PAM” within Horizon2020 (grant number 743546). This work was also supported by JSPS-KAKENHI grant number 20K14454. NK thanks to National Research Foundation of Korea under Ministry of Science and ICT (NRF2021R1C1C1013875) of Korean Government. The computational work was carried out using the Turing HPC infrastructure at the CalcUA core facility of the Universiteit Antwerpen (UA), a division of the Flemish Supercomputer Center VSC, funded by the Hercules Foundation, the Flemish Government (department EWI) and the UA. |
Approved |
Most recent IF: 3.671 |
|
|
Call Number |
PLASMANT @ plasmant @c:irua:178813 |
Serial |
6792 |
|
Permanent link to this record |
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Author |
Lamoen, D.; Michel, K.H. |
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Title |
Coupling of orientational and translational modes in solid C60 and C70 |
Type |
A1 Journal article |
|
Year |
1999 |
Publication |
Phase transitions |
Abbreviated Journal |
Phase Transit |
|
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Volume |
67 |
Issue |
|
Pages |
789 |
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Keywords |
A1 Journal article; Condensed Matter Theory (CMT) |
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Abstract |
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Address |
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Corporate Author |
|
Thesis |
|
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Publisher |
|
Place of Publication |
New York |
Editor |
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|
|
Language |
|
Wos |
000079806300017 |
Publication Date |
2007-07-08 |
|
|
Series Editor |
|
Series Title |
|
Abbreviated Series Title |
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|
|
Series Volume |
|
Series Issue |
|
Edition |
|
|
|
ISSN |
0141-1594;1029-0338; |
ISBN |
|
Additional Links |
UA library record; WoS full record; WoS citing articles |
|
|
Impact Factor |
1.06 |
Times cited |
2 |
Open Access |
|
|
|
Notes |
|
Approved |
Most recent IF: 1.06; 1999 IF: 0.622 |
|
|
Call Number |
UA @ lucian @ c:irua:27830 |
Serial |
537 |
|
Permanent link to this record |
|
|
|
|
Author |
Schryvers, D.; Van Aert, S.; Delville, R.; Idrissi, H.; Turner, S.; Salje, E.K.H. |
|
|
Title |
Dedicated TEM on domain boundaries from phase transformations and crystal growth |
Type |
A1 Journal article |
|
Year |
2013 |
Publication |
Phase transitions |
Abbreviated Journal |
Phase Transit |
|
|
Volume |
86 |
Issue |
1 |
Pages |
15-22 |
|
|
Keywords |
A1 Journal article; Electron microscopy for materials research (EMAT) |
|
|
Abstract |
Investigating domain boundaries and their effects on the behaviour of materials automatically implies the need for detailed knowledge on the structural aspects of the atomic configurations at these interfaces. Not only in view of nearest neighbour interactions but also at a larger scale, often surpassing the unit cell, the boundaries can contain structural elements that do not exist in the bulk. In the present contribution, a number of special boundaries resulting from phase transformations or crystal growth and those recently investigated by advanced transmission electron microscopy techniques in different systems will be reviewed. These include macrotwins between microtwinned martensite plates in NiAl, austenite-single variant martensite habit planes in low hysteresis NiTiPd, nanotwins in non-textured nanostructured Pd and ferroelastic domain boundaries in CaTiO3. In all discussed cases these boundaries play an essential role in the properties of the respective materials. |
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Address |
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Corporate Author |
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Thesis |
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Publisher |
|
Place of Publication |
New York |
Editor |
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|
Language |
|
Wos |
000312586700003 |
Publication Date |
2012-12-19 |
|
|
Series Editor |
|
Series Title |
|
Abbreviated Series Title |
|
|
|
Series Volume |
|
Series Issue |
|
Edition |
|
|
|
ISSN |
0141-1594;1029-0338; |
ISBN |
|
Additional Links |
UA library record; WoS full record; WoS citing articles |
|
|
Impact Factor |
1.06 |
Times cited |
|
Open Access |
|
|
|
Notes |
Fwo; Iap |
Approved |
Most recent IF: 1.06; 2013 IF: 1.044 |
|
|
Call Number |
UA @ lucian @ c:irua:101222 |
Serial |
612 |
|
Permanent link to this record |
|
|
|
|
Author |
Bismayer, U.; Mathes, D.; Oroyo, M.; Bosbach, D.; Putnis, A.; Van Tendeloo, G.; Güttler, B. |
|
|
Title |
Ferroelastic domains in lead phosphate-arsenate: an AFM, X-ray diffraction, TEM and raman study |
Type |
A1 Journal article |
|
Year |
2000 |
Publication |
Phase transitions |
Abbreviated Journal |
Phase Transit |
|
|
Volume |
71 |
Issue |
|
Pages |
243-270 |
|
|
Keywords |
A1 Journal article; Electron microscopy for materials research (EMAT) |
|
|
Abstract |
|
|
|
Address |
|
|
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Corporate Author |
|
Thesis |
|
|
|
Publisher |
|
Place of Publication |
New York |
Editor |
|
|
|
Language |
|
Wos |
000088137000006 |
Publication Date |
2007-07-08 |
|
|
Series Editor |
|
Series Title |
|
Abbreviated Series Title |
|
|
|
Series Volume |
|
Series Issue |
|
Edition |
|
|
|
ISSN |
0141-1594;1029-0338; |
ISBN |
|
Additional Links |
UA library record; WoS full record; WoS citing articles |
|
|
Impact Factor |
1.06 |
Times cited |
6 |
Open Access |
|
|
|
Notes |
|
Approved |
Most recent IF: 1.06; 2000 IF: NA |
|
|
Call Number |
UA @ lucian @ c:irua:54723 |
Serial |
1177 |
|
Permanent link to this record |
|
|
|
|
Author |
Abakumov, A.M.; Lebedev, O.I.; Nistor, L.; Van Tendeloo, G.; Amelinckx, S. |
|
|
Title |
The ferroelectric phase transition in tridymite type BaAl2O4 studied by electron microscopy |
Type |
A1 Journal article |
|
Year |
2000 |
Publication |
Phase transitions |
Abbreviated Journal |
Phase Transit |
|
|
Volume |
71 |
Issue |
|
Pages |
143-160 |
|
|
Keywords |
A1 Journal article; Electron microscopy for materials research (EMAT) |
|
|
Abstract |
|
|
|
Address |
|
|
|
Corporate Author |
|
Thesis |
|
|
|
Publisher |
|
Place of Publication |
New York |
Editor |
|
|
|
Language |
|
Wos |
000088795800005 |
Publication Date |
2007-07-08 |
|
|
Series Editor |
|
Series Title |
|
Abbreviated Series Title |
|
|
|
Series Volume |
|
Series Issue |
|
Edition |
|
|
|
ISSN |
0141-1594;1029-0338; |
ISBN |
|
Additional Links |
UA library record; WoS full record; WoS citing articles |
|
|
Impact Factor |
1.06 |
Times cited |
21 |
Open Access |
|
|
|
Notes |
|
Approved |
Most recent IF: 1.06; 2000 IF: NA |
|
|
Call Number |
UA @ lucian @ c:irua:54724 |
Serial |
1181 |
|
Permanent link to this record |
|
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|
|
Author |
Van Aert, S.; Turner, S.; Delville, R.; Schryvers, D.; Van Tendeloo, G.; Ding, X.; Salje, E.K.H. |
|
|
Title |
Functional twin boundaries |
Type |
A1 Journal article |
|
Year |
2013 |
Publication |
Phase transitions |
Abbreviated Journal |
Phase Transit |
|
|
Volume |
86 |
Issue |
11 |
Pages |
1052-1059 |
|
|
Keywords |
A1 Journal article; Electron microscopy for materials research (EMAT) |
|
|
Abstract |
Functional interfaces are at the core of research in the emerging field of domain boundary engineering where polar, conducting, chiral, and other interfaces and twin boundaries have been discovered. Ferroelectricity was found in twin walls of paraelectric CaTiO3. We show that the effect of functional interfaces can be optimized if the number of twin boundaries is increased in densely twinned materials. Such materials can be produced by shear in the ferroelastic phase rather than by rapid quench from the paraelastic phase. |
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Address |
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Corporate Author |
|
Thesis |
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Publisher |
|
Place of Publication |
New York |
Editor |
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|
|
Language |
|
Wos |
000327475900002 |
Publication Date |
2013-01-16 |
|
|
Series Editor |
|
Series Title |
|
Abbreviated Series Title |
|
|
|
Series Volume |
|
Series Issue |
|
Edition |
|
|
|
ISSN |
0141-1594;1029-0338; |
ISBN |
|
Additional Links |
UA library record; WoS full record; WoS citing articles |
|
|
Impact Factor |
1.06 |
Times cited |
5 |
Open Access |
|
|
|
Notes |
|
Approved |
Most recent IF: 1.06; 2013 IF: 1.044 |
|
|
Call Number |
UA @ lucian @ c:irua:107344 |
Serial |
1304 |
|
Permanent link to this record |
|
|
|
|
Author |
Meyer, H.W.; Bismayer, U.; Adiwidjaja, G.; Zhang, M.; Nistor, L.; Van Tendeloo, G. |
|
|
Title |
Natural titanite and malayite: structural investigations and the 500K anomaly |
Type |
A1 Journal article |
|
Year |
1998 |
Publication |
Phase transitions |
Abbreviated Journal |
Phase Transit |
|
|
Volume |
67 |
Issue |
|
Pages |
27-49 |
|
|
Keywords |
A1 Journal article; Electron microscopy for materials research (EMAT) |
|
|
Abstract |
|
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|
Address |
|
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Corporate Author |
|
Thesis |
|
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Publisher |
|
Place of Publication |
New York |
Editor |
|
|
|
Language |
|
Wos |
000079806000003 |
Publication Date |
2007-07-08 |
|
|
Series Editor |
|
Series Title |
|
Abbreviated Series Title |
|
|
|
Series Volume |
|
Series Issue |
|
Edition |
|
|
|
ISSN |
0141-1594;1029-0338; |
ISBN |
|
Additional Links |
UA library record; WoS full record; WoS citing articles |
|
|
Impact Factor |
1.06 |
Times cited |
9 |
Open Access |
|
|
|
Notes |
) |
Approved |
Most recent IF: 1.06; 1998 IF: 0.551 |
|
|
Call Number |
UA @ lucian @ c:irua:25683 |
Serial |
2287 |
|
Permanent link to this record |
|
|
|
|
Author |
Van Tendeloo, G.; Amelinckx, S. |
|
|
Title |
The origin of diffuse intensity in electron diffraction patterns |
Type |
A1 Journal article |
|
Year |
1998 |
Publication |
Phase transitions |
Abbreviated Journal |
Phase Transit |
|
|
Volume |
67 |
Issue |
|
Pages |
101-135 |
|
|
Keywords |
A1 Journal article; Electron microscopy for materials research (EMAT) |
|
|
Abstract |
|
|
|
Address |
|
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Corporate Author |
|
Thesis |
|
|
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Publisher |
|
Place of Publication |
New York |
Editor |
|
|
|
Language |
|
Wos |
000079806000006 |
Publication Date |
2007-07-08 |
|
|
Series Editor |
|
Series Title |
|
Abbreviated Series Title |
|
|
|
Series Volume |
|
Series Issue |
|
Edition |
|
|
|
ISSN |
0141-1594;1029-0338; |
ISBN |
|
Additional Links |
UA library record; WoS full record; WoS citing articles |
|
|
Impact Factor |
1.06 |
Times cited |
17 |
Open Access |
|
|
|
Notes |
|
Approved |
Most recent IF: 1.06; 1998 IF: 0.551 |
|
|
Call Number |
UA @ lucian @ c:irua:25682 |
Serial |
2523 |
|
Permanent link to this record |
|
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|
|
Author |
Lemmens, H.; Amelinckx, S.; Van Tendeloo, G.; Abakumov, A.M.; Rozova, M.G.; Antipov, E.V. |
|
|
Title |
Transmission electron microscopy study of polymorphism in barium gallate BaGa2O4 |
Type |
A1 Journal article |
|
Year |
2003 |
Publication |
Phase transitions |
Abbreviated Journal |
Phase Transit |
|
|
Volume |
76 |
Issue |
7 |
Pages |
653-670 |
|
|
Keywords |
A1 Journal article; Electron microscopy for materials research (EMAT) |
|
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Abstract |
|
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|
Address |
|
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Corporate Author |
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Thesis |
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Publisher |
|
Place of Publication |
New York |
Editor |
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Language |
|
Wos |
000184129400004 |
Publication Date |
2003-11-10 |
|
|
Series Editor |
|
Series Title |
|
Abbreviated Series Title |
|
|
|
Series Volume |
|
Series Issue |
|
Edition |
|
|
|
ISSN |
0141-1594;1029-0338; |
ISBN |
|
Additional Links |
UA library record; WoS full record; WoS citing articles |
|
|
Impact Factor |
1.06 |
Times cited |
6 |
Open Access |
|
|
|
Notes |
|
Approved |
Most recent IF: 1.06; 2003 IF: 0.558 |
|
|
Call Number |
UA @ lucian @ c:irua:54857 |
Serial |
3719 |
|
Permanent link to this record |
|
|
|
|
Author |
Nistor, L.; Van Tendeloo, G.; Amelinckx, S. |
|
|
Title |
The paraelectric-ferroelectric phase transition of Bi4Ti3O12 studied by electron microscopy |
Type |
A1 Journal article |
|
Year |
1996 |
Publication |
Phase transitions |
Abbreviated Journal |
Phase Transit |
|
|
Volume |
59 |
Issue |
|
Pages |
135-153 |
|
|
Keywords |
A1 Journal article; Electron microscopy for materials research (EMAT) |
|
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Abstract |
|
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|
Address |
|
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Corporate Author |
|
Thesis |
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Publisher |
|
Place of Publication |
New York |
Editor |
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Language |
|
Wos |
A1996WL56200010 |
Publication Date |
0000-00-00 |
|
|
Series Editor |
|
Series Title |
|
Abbreviated Series Title |
|
|
|
Series Volume |
|
Series Issue |
|
Edition |
|
|
|
ISSN |
0141-1594 |
ISBN |
|
Additional Links |
UA library record; WoS full record; WoS citing articles |
|
|
Impact Factor |
0.954 |
Times cited |
6 |
Open Access |
|
|
|
Notes |
|
Approved |
COMPUTER SCIENCE, INTERDISCIPLINARY 11/104 Q1 # PHYSICS, MATHEMATICAL 1/53 Q1 # |
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|
Call Number |
UA @ lucian @ c:irua:16870 |
Serial |
2551 |
|
Permanent link to this record |
|
|
|
|
Author |
Vandelannoote, R.; Van 't dack, L.; Van Grieken, R. |
|
|
Title |
Effects of alkaline aluminate waste dumping on seawater chemistry |
Type |
A1 Journal article |
|
Year |
1987 |
Publication |
Marine environmental research |
Abbreviated Journal |
|
|
|
Volume |
21 |
Issue |
4 |
Pages |
275-288 |
|
|
Keywords |
A1 Journal article; AXES (Antwerp X-ray Analysis, Electrochemistry and Speciation) |
|
|
Abstract |
The alkaline aluminate waste, of which 10002000 tonnes are dumped a few times a year off the Belgian coast in the Southern Bight of the North Sea, contains 5·4% NaCl, 1·8% dissolved Al and 7·4% NaOH, in addition to traces of heavy metals and some aniline- and phenol-derivatives. The pH rises locally to 8-5 and the total Al-concentration reaches 120niglitre−1(corresponding to an initial waste dilution factor of only 150) in the 10-m wide track just beyond the discharging barge, but these decay quickly to pH 8·1 and 1 mg litre-1 in the 30-m wide track, 500m behind the barge. The relation between the waste concentration and seawater pH was studied. The white precipitate that forms immediately in the sea was identified as Mg6Al2CO3(OH)164H20 (hydrotalcite-manasseite like). No trace of it was found in the local sediments. |
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Address |
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Corporate Author |
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Thesis |
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Publisher |
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Place of Publication |
|
Editor |
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Language |
|
Wos |
A1987H082300003 |
Publication Date |
2003-08-07 |
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Series Editor |
|
Series Title |
|
Abbreviated Series Title |
|
|
|
Series Volume |
|
Series Issue |
|
Edition |
|
|
|
ISSN |
0141-1136 |
ISBN |
|
Additional Links |
UA library record; WoS full record; WoS citing articles |
|
|
Impact Factor |
|
Times cited |
|
Open Access |
|
|
|
Notes |
|
Approved |
no |
|
|
Call Number |
UA @ admin @ c:irua:111505 |
Serial |
7845 |
|
Permanent link to this record |
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|
|
Author |
Jochems, P.; Satyawali, Y.; van Roy, S.; Doyen, W.; Diels, L.; Dejonghe, W. |
|
|
Title |
Characterization and optimization of \beta-galactosidase immobilization process on a mixed-matrix membrane |
Type |
A1 Journal article |
|
Year |
2011 |
Publication |
Enzyme and microbial technology |
Abbreviated Journal |
|
|
|
Volume |
49 |
Issue |
6/7 |
Pages |
580-588 |
|
|
Keywords |
A1 Journal article; Engineering sciences. Technology; Sustainable Energy, Air and Water Technology (DuEL) |
|
|
Abstract |
β-Galactosidase is an important enzyme catalyzing not only the hydrolysis of lactose to the monosaccharides glucose and galactose but also the transgalactosylation reaction to produce galacto-oligosaccharides (GOS). In this study, β-galactosidase was immobilized by adsorption on a mixed-matrix membrane containing zirconium dioxide. The maximum β-galactosidase adsorbed on these membranes was 1.6 g/m2, however, maximal activity was achieved at an enzyme concentration of around 0.5 g/m2. The tests conducted to investigate the optimal immobilization parameters suggested that higher immobilization can be achieved under extreme parameters (pH and temperature) but the activity was not retained at such extreme operational parameters. The investigations on immobilized enzymes indicated that no real shift occurred in its optimal temperature after immobilization though the activity in case of immobilized enzyme was better retained at lower temperature (5 °C). A shift of 0.5 unit was observed in optimal pH after immobilization (pH 6.5 to 7). Perhaps the most striking results are the kinetic parameters of the immobilized enzyme; while the Michaelis constant (Km) value increased almost eight times compared to the free enzyme, the maximum enzyme velocity (Vmax) remained almost constant. |
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Address |
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Corporate Author |
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Thesis |
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Publisher |
|
Place of Publication |
|
Editor |
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Language |
|
Wos |
000298529600015 |
Publication Date |
2011-06-26 |
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|
Series Editor |
|
Series Title |
|
Abbreviated Series Title |
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|
Series Volume |
|
Series Issue |
|
Edition |
|
|
|
ISSN |
0141-0229 |
ISBN |
|
Additional Links |
UA library record; WoS full record; WoS citing articles |
|
|
Impact Factor |
|
Times cited |
|
Open Access |
|
|
|
Notes |
|
Approved |
no |
|
|
Call Number |
UA @ admin @ c:irua:90060 |
Serial |
7608 |
|
Permanent link to this record |
|
|
|
|
Author |
Van Grieken, R.; Speecke, A.; Hoste, J. |
|
|
Title |
Geometry errors in 14 MeV neutron activation analysis |
Type |
A3 Journal article |
|
Year |
1973 |
Publication |
Journal of radioanalytical chemistry |
Abbreviated Journal |
|
|
|
Volume |
13 |
Issue |
1 |
Pages |
225-233 |
|
|
Keywords |
A3 Journal article; AXES (Antwerp X-ray Analysis, Electrochemistry and Speciation) |
|
|
Abstract |
The effects of inaccurate sample sizes and sample positioning on 14 MeV neutron activation analysis results are estimated for 30, 20 and 10 mm diameter targets. It appears that axial positioning is the most critical parameter and that using a larger tritium target will yield an overall improvement of the reproducibility. |
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Address |
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Corporate Author |
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Thesis |
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Publisher |
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Place of Publication |
|
Editor |
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Language |
|
Wos |
|
Publication Date |
2006-10-11 |
|
|
Series Editor |
|
Series Title |
|
Abbreviated Series Title |
|
|
|
Series Volume |
|
Series Issue |
|
Edition |
|
|
|
ISSN |
0134-0719; 2064-2857 |
ISBN |
|
Additional Links |
UA library record |
|
|
Impact Factor |
|
Times cited |
|
Open Access |
|
|
|
Notes |
|
Approved |
no |
|
|
Call Number |
UA @ admin @ c:irua:116453 |
Serial |
7999 |
|
Permanent link to this record |
|
|
|
|
Author |
Van Schandevijl, R.; Van Grieken, R.; Hoste, J. |
|
|
Title |
The half-life of 28Al |
Type |
A3 Journal article |
|
Year |
1971 |
Publication |
Journal of radioanalytical chemistry |
Abbreviated Journal |
|
|
|
Volume |
9 |
Issue |
1 |
Pages |
55-60 |
|
|
Keywords |
A3 Journal article; AXES (Antwerp X-ray Analysis, Electrochemistry and Speciation) |
|
|
Abstract |
The half-life of28Al was redetermined on aluminium samples of different origin. Three different counting techniques were applied. The availability of highly purified samples (up to 99.9999%), the use of very fast electronic counting equipment and a complete automatisation allowed a good precision to be obtained in the final result of 2.2405 min. |
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Address |
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Corporate Author |
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Thesis |
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Publisher |
|
Place of Publication |
|
Editor |
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|
|
Language |
|
Wos |
|
Publication Date |
2006-10-11 |
|
|
Series Editor |
|
Series Title |
|
Abbreviated Series Title |
|
|
|
Series Volume |
|
Series Issue |
|
Edition |
|
|
|
ISSN |
0134-0719; 2064-2857 |
ISBN |
|
Additional Links |
UA library record |
|
|
Impact Factor |
|
Times cited |
|
Open Access |
|
|
|
Notes |
|
Approved |
no |
|
|
Call Number |
UA @ admin @ c:irua:116451 |
Serial |
8016 |
|
Permanent link to this record |
|
|
|
|
Author |
Van Grieken, R.; Speecke, A.; Hoste, J. |
|
|
Title |
Simultaneous determination of silicon and phosphorus in cast iron by 14 MeV neutron activation analysis |
Type |
A3 Journal article |
|
Year |
1970 |
Publication |
Journal of radioanalytical chemistry |
Abbreviated Journal |
|
|
|
Volume |
6 |
Issue |
2 |
Pages |
385-398 |
|
|
Keywords |
A3 Journal article; AXES (Antwerp X-ray Analysis, Electrochemistry and Speciation) |
|
|
Abstract |
A fast (10 min), non-destructive simultaneous determination of silicon and phosphorus in cast iron and steel by 14 MeV neutron activation was developed. The 1.78 MeV28Al activity (T=2.24 min) induced by the reaction28Si(n, p)28Al is counted on a NaI(Tl) detector. Two measurements are made to correct for the 1.81 MeV56Mn activity (T=2.58 hr) from the iron matrix. However,28Al is also produced via31P(n, α)28Al. By (n, 2n) reaction, phosphorus yields also30P (T=2.6 min), the 0.511 MeV annihilation radiation of which is counted by two opposite NaI(Tl) detectors in coincidence. Again, two successive coincidence measurements are carried out in order to take into account the53Fe activity (β+; T=8.9 min) from54Fe(n, 2n)53Fe. The28Al measurement is appropriately corrected via the computed phosphorus content. An oxygen flux monitor was used to normalize to the same flux. Nuclear interferences have been examined. Special attention has been paid to the presence of copper. The standard deviation for phosphorus being as high as ca. 0.09% P for a single determination, this technique can only be practical as an independent phosphorus analysis for high phosphorus cast irons. The precision on the28Al measurement is 5% relative for 0.2% Si and 2.5% above 1% Si. |
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Address |
|
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Corporate Author |
|
Thesis |
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|
Publisher |
|
Place of Publication |
|
Editor |
|
|
|
Language |
|
Wos |
|
Publication Date |
2006-10-11 |
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Abbreviated Series Title |
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Series Volume |
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Series Issue |
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Edition |
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ISSN |
0134-0719; 2064-2857 |
ISBN |
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Additional Links |
UA library record |
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Impact Factor |
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Times cited |
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Open Access |
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Notes |
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Approved |
no |
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Call Number |
UA @ admin @ c:irua:116450 |
Serial |
8528 |
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Permanent link to this record |
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Author |
Van Grieken, R.; Speecke, A.; Hoste, J. |
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Title |
Spatial neutron flux distributions around A 14 MeV neutron generator |
Type |
A3 Journal article |
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Year |
1972 |
Publication |
Journal of radioanalytical chemistry |
Abbreviated Journal |
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Volume |
10 |
Issue |
1 |
Pages |
95-104 |
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Keywords |
A3 Journal article; AXES (Antwerp X-ray Analysis, Electrochemistry and Speciation) |
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Abstract |
The neutron flux distribution in the vicinity of 30, 20 and 10 mm diameter targets is measured by irradiating concentric ring-type iron monitors at different distances from the target and counting the induced56Mn activity. Considering the many uncertainties, satisfactory agreement was found between theory and experiment. |
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Wos |
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Publication Date |
2006-11-07 |
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Series Editor |
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Series Title |
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Abbreviated Series Title |
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Series Volume |
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Series Issue |
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Edition |
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ISSN |
0134-0719; 2064-2857 |
ISBN |
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Additional Links |
UA library record |
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Impact Factor |
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Times cited |
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Open Access |
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Notes |
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Approved |
no |
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Call Number |
UA @ admin @ c:irua:116452 |
Serial |
8567 |
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Permanent link to this record |
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Author |
Blommaert, W.; Vandelannoote, R.; Van 't dack, L.; Gijbels, R.; van Grieken, R. |
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Title |
Relative evaluation of neutron activation, X-ray fluorescence and spark source mass spectrometry for multi-element analysis of geothermal waters |
Type |
A3 Journal article |
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Year |
1980 |
Publication |
Journal of radioanalytical chemistry |
Abbreviated Journal |
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Volume |
57 |
Issue |
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Pages |
382-400 |
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Keywords |
A3 Journal article; Plasma Lab for Applications in Sustainability and Medicine – Antwerp (PLASMANT); AXES (Antwerp X-ray Analysis, Electrochemistry and Speciation) |
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Abstract |
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Corporate Author |
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Thesis |
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Publisher |
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Place of Publication |
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Editor |
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Language |
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Wos |
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Publication Date |
0000-00-00 |
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Series Editor |
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Series Title |
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Abbreviated Series Title |
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Series Volume |
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Series Issue |
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Edition |
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ISSN |
0134-0719 |
ISBN |
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Additional Links |
UA library record |
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Impact Factor |
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Times cited |
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Open Access |
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Notes |
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Approved |
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Call Number |
UA @ lucian @ c:irua:111432 |
Serial |
2859 |
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Permanent link to this record |
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Author |
Zhao, X.N.; Xu, W.; Xiao, Y.M.; Van Duppen, B. |
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Title |
Spin polarization in monolayer MoS₂ in the presence of proximity-induced interactions |
Type |
A1 Journal article |
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Year |
2020 |
Publication |
International Journal Of Modern Physics C |
Abbreviated Journal |
Int J Mod Phys C |
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Volume |
31 |
Issue |
10 |
Pages |
2050143 |
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Keywords |
A1 Journal article; Condensed Matter Theory (CMT) |
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Abstract |
When monolayer (ML) MoS2 is placed on a substrate, the proximity-induced interactions such as the Rashba spin-orbit coupling (RSOC) and exchange interaction (EI) can be introduced. Thus, the electronic system can behave like a spintronic device. In this study, we present a theoretical study on how the presence of the RSCO and EI can lead to the band splitting, the lifting of the valley degeneracy and to the spin polarization in n- and p-type ML MoS2. We find that the maxima of the in-plane spin orientation in the conduction and valence bands in ML MoS2 depend on the Rashba parameter and the effective Zeeman field factor. At a fixed Rashba parameter, the minima of the split conduction band and the maxima of the split valence band along with the spin polarization in ML MoS2 can be tuned effectively by varying the effective Zeeman field factor. On the basis that the EI can be induced by placing the ML MoS2 on a ferromagnetic substrate or by magnetic doping in ML MoS2, we predict that the interesting spintronic effects can be observed in n- and p-type ML MoS2. This work can be helpful to gain an in-depth understanding of the basic physical properties of ML MoS2 for application in advanced electronic and optoelectronic devices. |
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Corporate Author |
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Thesis |
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Place of Publication |
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Wos |
000583803200009 |
Publication Date |
2020-06-09 |
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Series Editor |
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Series Title |
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Abbreviated Series Title |
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Series Volume |
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Series Issue |
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Edition |
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ISSN |
0129-1831 |
ISBN |
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Additional Links |
UA library record; WoS full record |
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Impact Factor |
1.9 |
Times cited |
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Open Access |
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Notes |
; This work was supported by the Ministry of Science and Technology of China (Grant No. 2011YQ130018), Department of Science and Technology of Yunnan Province and by the Chinese Academy of Sciences. ; |
Approved |
Most recent IF: 1.9; 2020 IF: 1.171 |
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Call Number |
UA @ admin @ c:irua:173635 |
Serial |
6609 |
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Permanent link to this record |
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Author |
Zhang, F.; Inokoshi, M.; Batuk, M.; Hadermann, J.; Naert, I.; Van Meerbeek, B.; Vleugels, J. |
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Title |
Strength, toughness and aging stability of highly-translucent Y-TZP ceramics for dental restorations |
Type |
A1 Journal article |
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Year |
2016 |
Publication |
Dental Materials |
Abbreviated Journal |
Dent Mater |
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Volume |
32 |
Issue |
32 |
Pages |
e327-e337 |
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Keywords |
A1 Journal article; Electron Microscopy for Materials Science (EMAT); |
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Abstract |
OBJECTIVE: The aim was to evaluate the optical properties, mechanical properties and aging stability of yttria-stabilized zirconia with different compositions, highlighting the influence of the alumina addition, Y2O3 content and La2O3 doping on the translucency. METHODS: Five different Y-TZP zirconia powders (3 commercially available and 2 experimentally modified) were sintered under the same conditions and characterized by X-ray diffraction with Rietveld analysis and scanning electron microscopy (SEM). Translucency (n=6/group) was measured with a color meter, allowing to calculate the translucency parameter (TP) and the contrast ratio (CR). Mechanical properties were appraised with four-point bending strength (n=10), single edge V-notched beam (SEVNB) fracture toughness (n=8) and Vickers hardness (n=10). The aging stability was evaluated by measuring the tetragonal to monoclinic transformation (n=3) after accelerated hydrothermal aging in steam at 134 degrees C, and the transformation curves were fitted by the Mehl-Avrami-Johnson (MAJ) equation. Data were analyzed by one-way ANOVA, followed by Tukey's HSD test (alpha=0.05). RESULTS: Lowering the alumina content below 0.25wt.% avoided the formation of alumina particles and therefore increased the translucency of 3Y-TZP ceramics, but the hydrothermal aging stability was reduced. A higher yttria content (5mol%) introduced about 50% cubic zirconia phase and gave rise to the most translucent and aging-resistant Y-TZP ceramics, but the fracture toughness and strength were considerably sacrificed. 0.2mol% La2O3 doping of 3Y-TZP tailored the grain boundary chemistry and significantly improved the aging resistance and translucency. Although the translucency improvement by La2O3 doping was less effective than for introducing a substantial amount of cubic zirconia, this strategy was able to maintain the mechanical properties of typical 3Y-TZP ceramics. SIGNIFICANCE: Three different approaches were compared to improve the translucency of 3Y-TZP ceramics. |
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Address |
KU Leuven, Department of Materials Engineering, Kasteelpark Arenberg 44, Belgium |
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Corporate Author |
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Thesis |
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Publisher |
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Place of Publication |
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Editor |
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Language |
English |
Wos |
000389516400003 |
Publication Date |
2016-10-06 |
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Series Editor |
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Series Title |
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Abbreviated Series Title |
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Series Volume |
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Series Issue |
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Edition |
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ISSN |
0109-5641 |
ISBN |
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Additional Links |
UA library record; WoS full record; WoS citing articles |
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Impact Factor |
4.07 |
Times cited |
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Open Access |
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Notes |
The authors acknowledge the Research Fund of KU Leu- ven under project 0T/10/052 and the Fund for Scientific Research Flanders (FWO-Vlaanderen) under grant G.0431.10N. F. Zhang thanks the Research Fund of KU Leuven for her post- doctoral fellowship (PDM/15/153). We thank M. Peumans for the translucency measurements. |
Approved |
Most recent IF: 4.07 |
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Call Number |
EMAT @ emat @ c:irua:136821 |
Serial |
4313 |
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Permanent link to this record |
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Author |
Zhang, F.; Inokoshi, M.; Batuk, M.; Hadermann, J.; Naert, I.; Van Meerbeek, B.; Vleugels, J. |
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Title |
Strength, toughness and aging stability of highly-translucent Y-TZP ceramics for dental restorations |
Type |
A1 Journal article |
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Year |
2016 |
Publication |
Dental materials |
Abbreviated Journal |
Dent Mater |
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Volume |
32 |
Issue |
12 |
Pages |
E327-E337 |
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Keywords |
A1 Journal article; Electron microscopy for materials research (EMAT) |
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Abstract |
Objective. The aim was to evaluate the optical properties, mechanical properties and aging stability of yttria-stabilized zirconia with different compositions, highlighting the influence of the alumina addition, Y2O3 content and La2O3 doping on the translucency. Methods. Five different Y-TZP zirconia powders (3 commercially available and 2 experimentally modified) were sintered under the same conditions and characterized by X-ray diffraction with Rietveld analysis and scanning electron microscopy (SEM). Translucency (n = 6/group) was measured with a color meter, allowing to calculate the translucency parameter (TP) and the contrast ratio (CR). Mechanical properties were appraised with four-point bending strength (n = 10), single edge V-notched beam (SEVNB) fracture toughness (n = 8) and Vickers hardness (n = 10). The aging stability was evaluated by measuring the tetragonal to monoclinic transformation (n = 3) after accelerated hydrothermal aging in steam at 134 degrees C, and the transformation curves were fitted by the Mehl-Avrami-Johnson (MAJ) equation. Data were analyzed by one-way ANOVA, followed by Tukey's HSD test (alpha = 0.05). Results. Lowering the alumina content below 0.25 wt.% avoided the formation of alumina particles and therefore increased the translucency of 3Y-TZP ceramics, but the hydrothermal aging stability was reduced. A higher yttria content (5 mol%) introduced about 50% cubic zirconia phase and gave rise to the most translucent and aging-resistant Y-TZP ceramics, but the fracture toughness and strength were considerably sacrificed. 0.2 mol% La2O3 doping of 3Y-TZP tailored the grain boundary chemistry and significantly improved the aging resistance and translucency. Although the translucency improvement by La2O3 doping was less effective than for introducing a substantial amount of cubic zirconia, this strategy was able to maintain the mechanical properties of typical 3Y-TZP ceramics. Significance. Three different approaches were compared to improve the translucency of 3YTZP ceramics. (C) 2016 The Academy of Dental Materials. Published by Elsevier Ltd. All rights reserved. |
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Address |
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Corporate Author |
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Thesis |
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Publisher |
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Place of Publication |
Copenhagen |
Editor |
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Language |
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Wos |
000389516400003 |
Publication Date |
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Series Editor |
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Series Title |
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Abbreviated Series Title |
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Series Volume |
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Series Issue |
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Edition |
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ISSN |
0109-5641 |
ISBN |
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Additional Links |
UA library record; WoS full record |
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Impact Factor |
4.07 |
Times cited |
47 |
Open Access |
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Notes |
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Approved |
Most recent IF: 4.07 |
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Call Number |
UA @ lucian @ c:irua:140246 |
Serial |
4447 |
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Permanent link to this record |