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Records |
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Author |
Oleshko, V.; Kindratenko, V.; Gijbels, R.; van Espen, P.; Jacob, W. |
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Title |
Study of quasi-fractal many-particle-systems and percolation networks by zero-loss spectroscopic imaging, electron energy-loss spectroscopy and digital image analysis |
Type |
A1 Journal article |
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Year |
1996 |
Publication |
Mikrochimica acta: supplementum |
Abbreviated Journal |
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Volume |
13 |
Issue |
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Pages |
443-451 |
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Keywords |
A1 Journal article; Plasma Lab for Applications in Sustainability and Medicine – Antwerp (PLASMANT); Chemometrics (Mitac 3) |
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Abstract |
Submicron colloidal Ag particles and nano-sized filaments forming a statistical percolation network during ''in situ'' development of double structure tabular microcrystals of AgRr(I) emulsions have been studied by electron energy-loss spectroscopy and zero-loss electron spectroscopic imaging (EELS/ZLESI). Image analysis has shown that random quasi-fractal clusters were formed in the colloid. ZLESI has been applied to characterise the morphology and defect structure of aggregated particles and filaments. Their energy-loss spectra revealed plasmon excitations and interband 4d electron transitions between 4-32 eV energy-loss. To study the cluster structure and its relation to the physical properties, fractal analysis including estimations of cluster fractal dimensions and of density autocorrelation functions has been performed. Mechanisms of fractal aggregation based on known models of diffusion limited aggregation, cluster-cluster aggregation and percolation are discussed. |
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Publisher |
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Place of Publication |
Wien |
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Wos |
A1996VT82300038 |
Publication Date |
0000-00-00 |
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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 |
0076-8642 |
ISBN |
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Additional Links |
UA library record; WoS full record; |
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Approved |
PHYSICS, APPLIED 28/145 Q1 # |
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Call Number |
UA @ lucian @ c:irua:16247 |
Serial |
3332 |
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Permanent link to this record |
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Author |
Gijbels, R.; van Grieken, R.; Blommaert, W.; Van 't dack, L.; van Espen, P.; Nullens, H.; Saelens, R. |
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Title |
Application of analytical methods for trace elements in geothermal waters : part 2 : Plombières, Bains-les-Bains, Bourbonne (Vosges) |
Type |
MA3 Book as author |
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Year |
1983 |
Publication |
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Abbreviated Journal |
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Volume |
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Issue |
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Pages |
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Keywords |
MA3 Book as author; Plasma Lab for Applications in Sustainability and Medicine – Antwerp (PLASMANT); AXES (Antwerp X-ray Analysis, Electrochemistry and Speciation); Chemometrics (Mitac 3) |
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Publisher |
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Place of Publication |
S.l. |
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 Volume |
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Series Issue |
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Edition |
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Additional Links |
UA library record |
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Approved |
no |
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Call Number |
UA @ lucian @ c:irua:117472 |
Serial |
140 |
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Author |
Geuens, I.; Nys, B.; Naudts, J.; Gijbels, R.; Jacob, W.; van Espen, P. |
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Title |
The primary energy dependence of backscattered electron images up to 100 keV |
Type |
A1 Journal article |
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Year |
1991 |
Publication |
Scanning microscopy |
Abbreviated Journal |
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Volume |
5 |
Issue |
2 |
Pages |
339-344 |
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Keywords |
A1 Journal article; Plasma Lab for Applications in Sustainability and Medicine – Antwerp (PLASMANT); Chemometrics (Mitac 3) |
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Place of Publication |
Chicago, Ill. |
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Wos |
A1991GC67000005 |
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 |
0891-7035 |
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 |
no |
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Call Number |
UA @ lucian @ c:irua:709 |
Serial |
2713 |
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Author |
Janssens, G.; Geuens, I.; de Keyzer, R.; van Espen, P.; Gijbels, R.; Hubin, A.; Terryn, H.; Vereecken, J. |
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Title |
Quantitative surface analysis of silver halide microcrystals using scanning ion microprobe and scanning Auger microprobe |
Type |
H3 Book chapter |
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Year |
1996 |
Publication |
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Abbreviated Journal |
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Volume |
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Issue |
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Pages |
161-164 |
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Keywords |
H3 Book chapter; Plasma Lab for Applications in Sustainability and Medicine – Antwerp (PLASMANT); Chemometrics (Mitac 3) |
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Abstract |
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Publisher |
Wiley |
Place of Publication |
Chichester |
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 Volume |
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Series Issue |
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Edition |
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ISSN |
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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 @ lucian @ c:irua:27361 |
Serial |
2765 |
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Permanent link to this record |
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Author |
Janssens, K.; van Espen, P. |
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Title |
A general-purpose interface between fortran and the low-level functions of the ibm-pc |
Type |
A1 Journal article |
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Year |
1988 |
Publication |
Trends in analytical chemistry |
Abbreviated Journal |
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Volume |
7 |
Issue |
4 |
Pages |
128-130 |
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Keywords |
A1 Journal article; AXES (Antwerp X-ray Analysis, Electrochemistry and Speciation); Chemometrics (Mitac 3) |
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Abstract |
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Place of Publication |
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Language |
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Wos |
A1988M999800003 |
Publication Date |
2002-07-25 |
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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 |
0165-9936 |
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 |
no |
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Call Number |
UA @ admin @ c:irua:149778 |
Serial |
5450 |
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Permanent link to this record |
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Author |
Janssens, K.; Vekemans, B.; Adams, F.; van Espen, P.; Mutsaers, P. |
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Title |
Accurate evaluation of \mu-PIXE and \mu-XRF spectral data through iterative least squares fitting |
Type |
A1 Journal article |
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Year |
1996 |
Publication |
Nuclear instruments and methods in physics research: B: beam interactions with materials and atoms
T2 – 7th International Conference on Particle Induced X-ray Emission and Its Analytical Applications, MAY 26-30, 1995, Abano Terme, Italy |
Abbreviated Journal |
7th International Conference on Particle Induced X-ray Emission and Its Analytical Applications, MAY |
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Volume |
109 |
Issue |
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Pages |
179-185 |
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Keywords |
A1 Journal article; Engineering sciences. Technology; AXES (Antwerp X-ray Analysis, Electrochemistry and Speciation); Chemometrics (Mitac 3) |
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Abstract |
The integration of the nonlinear least squares X-ray spectrum evaluation progam AXIL. into a mu-PIXE and a mu-XRF setup is discussed. The use of the software when procesing data sets derived from biological and geological samples is described. |
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Place of Publication |
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Wos |
A1996UV44400035 |
Publication Date |
2002-07-25 |
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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 |
0168-583x |
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 |
no |
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Call Number |
UA @ admin @ c:irua:95887 |
Serial |
5457 |
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Permanent link to this record |
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Author |
Vekemans, B.; Janssens, K.; Vincze, L.; Adams, F.; van Espen, P. |
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Title |
Analysis of X-ray spectra by iterative least squares (AXIL): new developments |
Type |
A1 Journal article |
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Year |
1994 |
Publication |
X-ray spectrometry |
Abbreviated Journal |
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Volume |
23 |
Issue |
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Pages |
278-285 |
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Keywords |
A1 Journal article; AXES (Antwerp X-ray Analysis, Electrochemistry and Speciation); Chemometrics (Mitac 3) |
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Abstract |
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Address |
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Corporate Author |
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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 |
A1994QF68500008 |
Publication Date |
2005-05-28 |
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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 |
0049-8246 |
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 |
no |
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Call Number |
UA @ admin @ c:irua:8933 |
Serial |
5471 |
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Permanent link to this record |
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Author |
van Espen, P.; Janssens, K.; Nobels, J. |
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Title |
AXIL-PC, software for the analysis of complex-x-ray spectra |
Type |
A1 Journal article |
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Year |
1986 |
Publication |
Chemometrics and intelligent laboratory systems |
Abbreviated Journal |
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Volume |
1 |
Issue |
1 |
Pages |
109-114 |
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Keywords |
A1 Journal article; AXES (Antwerp X-ray Analysis, Electrochemistry and Speciation); Chemometrics (Mitac 3) |
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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 |
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Editor |
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Language |
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Wos |
A1986K579000015 |
Publication Date |
2002-07-25 |
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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 |
0169-7439 |
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 |
no |
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Call Number |
UA @ admin @ c:irua:149781 |
Serial |
5487 |
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Permanent link to this record |
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Author |
Rojas, C.M.; Figueroa, L.; Janssens, K.H.; Van Espen, P.E.; Adams, F.C.; Van Grieken, R.E. |
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Title |
The elemental composition of airborne particulate matter in the Atacama desert, Chile |
Type |
A1 Journal article |
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Year |
1990 |
Publication |
The science of the total environment |
Abbreviated Journal |
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Volume |
91 |
Issue |
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Pages |
251-267 |
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Keywords |
A1 Journal article; AXES (Antwerp X-ray Analysis, Electrochemistry and Speciation) |
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Abstract |
Air particulate samples were collected at Chapiquiña near Arica (Chile) with a six-stage cascade impactor for about 17-day periods during a 31 month interval. Sixteen elements were determined by energy dispersive X-ray fluorescence analysis, and the elemental concentrations were subjected to principal factor analysis. The variability with time of the coarse particles was described by two factors both related to soil dispersion, whereas the fine particle variations could be explained by a third factor related to marine influence. Enrichment factors were compared with those obtained in other remote continental areas, in particular those of air particulate matter sampled at Chacaltaya, Bolivia. Results point to a negligible anthropogenic influence. |
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Place of Publication |
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Wos |
A1990CM36100019 |
Publication Date |
2003-09-12 |
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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 |
0048-9697 |
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 |
no |
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Call Number |
UA @ admin @ c:irua:116652 |
Serial |
5602 |
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Permanent link to this record |
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Author |
Janssens, K.; van Espen, P. |
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Title |
Evaluation of energy-dispersive x-ray-spectra with the aid of expert systems |
Type |
A1 Journal article |
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Year |
1986 |
Publication |
Analytica chimica acta |
Abbreviated Journal |
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Volume |
191 |
Issue |
|
Pages |
169-180 |
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Keywords |
A1 Journal article; AXES (Antwerp X-ray Analysis, Electrochemistry and Speciation); Chemometrics (Mitac 3) |
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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 |
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Editor |
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Language |
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Wos |
A1986H681700015 |
Publication Date |
2002-07-25 |
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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 |
0003-2670 |
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 |
no |
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Call Number |
UA @ admin @ c:irua:149780 |
Serial |
5612 |
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Permanent link to this record |
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Author |
Janssens, K.; van Espen, P. |
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Title |
Implementation of an expert system for the qualitative interpretation of x-ray-fluorescence spectra |
Type |
A1 Journal article |
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Year |
1986 |
Publication |
Analytica chimica acta |
Abbreviated Journal |
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Volume |
184 |
Issue |
|
Pages |
117-132 |
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Keywords |
A1 Journal article; AXES (Antwerp X-ray Analysis, Electrochemistry and Speciation); Chemometrics (Mitac 3) |
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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 |
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Editor |
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Language |
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Wos |
A1986D964700010 |
Publication Date |
2002-07-25 |
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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 |
0003-2670 |
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 |
no |
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Call Number |
UA @ admin @ c:irua:149782 |
Serial |
5655 |
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Permanent link to this record |
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Author |
Janssens, K.; Vanborm, W.; van Espen, P. |
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Title |
Increased accuracy in the automated interpretation of large epma data sets by the use of an expert system |
Type |
A1 Journal article |
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Year |
1988 |
Publication |
Journal of research of the National Bureau of Standards (1934) |
Abbreviated Journal |
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Volume |
93 |
Issue |
3 |
Pages |
260-264 |
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Keywords |
A1 Journal article; AXES (Antwerp X-ray Analysis, Electrochemistry and Speciation); Chemometrics (Mitac 3) |
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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 |
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Editor |
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Language |
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Wos |
A1988P035100026 |
Publication Date |
2012-07-30 |
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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 |
0091-0635 |
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 |
no |
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Call Number |
UA @ admin @ c:irua:149777 |
Serial |
5660 |
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Permanent link to this record |
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Author |
Janssens, K.; Vincze, L.; van Espen, P.; Adams, F. |
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Title |
Monte Carlo simulation of conventional and synchrotron energy-dispersive X-ray spectrometers |
Type |
A1 Journal article |
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Year |
1993 |
Publication |
X-ray spectrometry |
Abbreviated Journal |
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Volume |
22 |
Issue |
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Pages |
234-243 |
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Keywords |
A1 Journal article; AXES (Antwerp X-ray Analysis, Electrochemistry and Speciation); Chemometrics (Mitac 3) |
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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 |
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Editor |
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Language |
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Wos |
A1993LQ04200011 |
Publication Date |
2005-05-28 |
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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 |
0049-8246 |
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 |
no |
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Call Number |
UA @ admin @ c:irua:6117 |
Serial |
5736 |
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Permanent link to this record |
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Author |
Janssens, K.; Nobels, J.; van Espen, P. |
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Title |
PC-MCA : a software package for the acquisition and processing of spectral data |
Type |
A1 Journal article |
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Year |
1988 |
Publication |
Chemometrics and intelligent laboratory systems |
Abbreviated Journal |
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Volume |
3 |
Issue |
4 |
Pages |
335-341 |
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Keywords |
A1 Journal article; AXES (Antwerp X-ray Analysis, Electrochemistry and Speciation); Chemometrics (Mitac 3) |
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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 |
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Editor |
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Language |
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Wos |
A1988P260100012 |
Publication Date |
2002-07-25 |
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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 |
0169-7439 |
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 |
no |
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Call Number |
UA @ admin @ c:irua:149776 |
Serial |
5768 |
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Permanent link to this record |
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Author |
van Espen, P.; Janssens, K. |
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Title |
Spectrum evaluation |
Type |
H3 Book chapter |
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Year |
1992 |
Publication |
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Abbreviated Journal |
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Volume |
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Issue |
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Pages |
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Keywords |
H3 Book chapter; AXES (Antwerp X-ray Analysis, Electrochemistry and Speciation); Chemometrics (Mitac 3) |
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Abstract |
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Address |
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Corporate Author |
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Wos |
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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 |
chapter 4 |
Series Issue |
|
Edition |
|
|
|
ISSN |
|
ISBN |
|
Additional Links |
UA library record |
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|
Impact Factor |
|
Times cited |
|
Open Access |
|
|
|
Notes |
|
Approved |
no |
|
|
Call Number |
UA @ admin @ c:irua:2809 |
Serial |
5842 |
|
Permanent link to this record |
|
|
|
|
Author |
Janssens, K.; Dorrine, W.; van Espen, P. |
|
|
Title |
The development process of an expert system for the automated interpretation of large epma data sets |
Type |
A1 Journal article |
|
Year |
1988 |
Publication |
Chemometrics and intelligent laboratory systems |
Abbreviated Journal |
|
|
|
Volume |
4 |
Issue |
2 |
Pages |
147-161 |
|
|
Keywords |
A1 Journal article; AXES (Antwerp X-ray Analysis, Electrochemistry and Speciation); Chemometrics (Mitac 3) |
|
|
Abstract |
|
|
|
Address |
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|
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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 |
A1988Q148500007 |
Publication Date |
2002-07-25 |
|
|
Series Editor |
|
Series Title |
|
Abbreviated Series Title |
|
|
|
Series Volume |
|
Series Issue |
|
Edition |
|
|
|
ISSN |
0169-7439 |
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:149775 |
Serial |
5872 |
|
Permanent link to this record |
|
|
|
|
Author |
Annegarn, H.; Van Grieken, R.; van Espen, P.; von Blottnitz, F.; Sellschop, J.; Winchester, J.; Maenhaut, W. |
|
|
Title |
Background aerosol composition at Gobabeb, South West Africa |
Type |
A3 Journal article |
|
Year |
1976 |
Publication |
Madoqua |
Abbreviated Journal |
|
|
|
Volume |
|
Issue |
2 |
Pages |
107-118 |
|
|
Keywords |
A3 Journal article; AXES (Antwerp X-ray Analysis, Electrochemistry and Speciation); Chemometrics (Mitac 3) |
|
|
Abstract |
|
|
|
Address |
|
|
|
Corporate Author |
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Thesis |
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Publisher |
|
Place of Publication |
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Editor |
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|
|
Language |
|
Wos |
|
Publication Date |
|
|
|
Series Editor |
|
Series Title |
|
Abbreviated Series Title |
|
|
|
Series Volume |
|
Series Issue |
|
Edition |
|
|
|
ISSN |
1011-5498 |
ISBN |
|
Additional Links |
UA library record |
|
|
Impact Factor |
|
Times cited |
|
Open Access |
|
|
|
Notes |
|
Approved |
no |
|
|
Call Number |
UA @ admin @ c:irua:116512 |
Serial |
7544 |
|
Permanent link to this record |
|
|
|
|
Author |
Buydens, L.; van Espen, P.; Rutan, S. |
|
|
Title |
CAC-2010 : Twelfth international conference on chemometrics in analytical chemistry |
Type |
Editorial |
|
Year |
2011 |
Publication |
Analytica chimica acta |
Abbreviated Journal |
|
|
|
Volume |
705 |
Issue |
1/2 |
Pages |
1 |
|
|
Keywords |
Editorial; AXES (Antwerp X-ray Analysis, Electrochemistry and Speciation) |
|
|
Abstract |
|
|
|
Address |
|
|
|
Corporate Author |
|
Thesis |
|
|
|
Publisher |
|
Place of Publication |
|
Editor |
|
|
|
Language |
|
Wos |
000295993900001 |
Publication Date |
2011-08-14 |
|
|
Series Editor |
|
Series Title |
|
Abbreviated Series Title |
|
|
|
Series Volume |
|
Series Issue |
|
Edition |
|
|
|
ISSN |
0003-2670; 1873-4324 |
ISBN |
|
Additional Links |
UA library record; WoS full record |
|
|
Impact Factor |
|
Times cited |
|
Open Access |
|
|
|
Notes |
|
Approved |
no |
|
|
Call Number |
UA @ admin @ c:irua:93573 |
Serial |
7570 |
|
Permanent link to this record |
|
|
|
|
Author |
Serneels, S.; Faber, K.; Verdonck, T.; van Espen, P.J. |
|
|
Title |
Case specific prediction intervals for tri-PLS1 : the full local linearisation |
Type |
A1 Journal article |
|
Year |
2011 |
Publication |
Chemometrics and intelligent laboratory systems |
Abbreviated Journal |
|
|
|
Volume |
108 |
Issue |
2 |
Pages |
93-99 |
|
|
Keywords |
A1 Journal article; AXES (Antwerp X-ray Analysis, Electrochemistry and Speciation) |
|
|
Abstract |
A new method to estimate case specific prediction uncertainty for univariate trilinear partial least squares (tri-PLS1) regression is introduced. This method is, from a theoretical point of view, the most exact finite sample approximation to true prediction uncertainty that has been reported up till now. Using the new method, different error sources can be propagated, which is an advantage that cannot be offered by data driven approaches such as the bootstrap. In a concise example, it is illustrated how the method can be applied. In the Appendix, efficient algorithms are presented to compute the estimates required. |
|
|
Address |
|
|
|
Corporate Author |
|
Thesis |
|
|
|
Publisher |
|
Place of Publication |
|
Editor |
|
|
|
Language |
|
Wos |
000295310000002 |
Publication Date |
2011-05-12 |
|
|
Series Editor |
|
Series Title |
|
Abbreviated Series Title |
|
|
|
Series Volume |
|
Series Issue |
|
Edition |
|
|
|
ISSN |
0169-7439; 1873-3239 |
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:92788 |
Serial |
7580 |
|
Permanent link to this record |
|
|
|
|
Author |
Smekens, A.; Godoi, R.H.M.; Vervoort, M.; van Espen, P.; Potgieter-Vermaak, S.S.; Van Grieken, R. |
|
|
Title |
Characterization of individual soot aggregates from different sources using image analysis |
Type |
A1 Journal article |
|
Year |
2007 |
Publication |
Journal of atmospheric chemistry |
Abbreviated Journal |
|
|
|
Volume |
56 |
Issue |
3 |
Pages |
211-223 |
|
|
Keywords |
A1 Journal article; AXES (Antwerp X-ray Analysis, Electrochemistry and Speciation); Chemometrics (Mitac 3) |
|
|
Abstract |
|
|
|
Address |
|
|
|
Corporate Author |
|
Thesis |
|
|
|
Publisher |
|
Place of Publication |
|
Editor |
|
|
|
Language |
|
Wos |
000245105900001 |
Publication Date |
2007-01-02 |
|
|
Series Editor |
|
Series Title |
|
Abbreviated Series Title |
|
|
|
Series Volume |
|
Series Issue |
|
Edition |
|
|
|
ISSN |
0167-7764 |
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:63840 |
Serial |
7628 |
|
Permanent link to this record |
|
|
|
|
Author |
Bondarenko, I.; van Espen, P.; Treiger, B.; Van Grieken, R.; Adams, F. |
|
|
Title |
Classification of coal mine dust particles through fuzzy clustering of their energy-dispersive electron microprobe X-ray spectra |
Type |
A1 Journal article |
|
Year |
1994 |
Publication |
Microbeam analysis |
Abbreviated Journal |
|
|
|
Volume |
3 |
Issue |
|
Pages |
33-37 |
|
|
Keywords |
A1 Journal article; AXES (Antwerp X-ray Analysis, Electrochemistry and Speciation); Chemometrics (Mitac 3) |
|
|
Abstract |
|
|
|
Address |
|
|
|
Corporate Author |
|
Thesis |
|
|
|
Publisher |
|
Place of Publication |
|
Editor |
|
|
|
Language |
|
Wos |
|
Publication Date |
|
|
|
Series Editor |
|
Series Title |
|
Abbreviated Series Title |
|
|
|
Series Volume |
|
Series Issue |
|
Edition |
|
|
|
ISSN |
1061-3420 |
ISBN |
|
Additional Links |
UA library record |
|
|
Impact Factor |
|
Times cited |
|
Open Access |
|
|
|
Notes |
|
Approved |
no |
|
|
Call Number |
UA @ admin @ c:irua:8916 |
Serial |
7667 |
|
Permanent link to this record |
|
|
|
|
Author |
Treiger, B.; Bondarenko, I.; van Espen, P.; Van Grieken, R.; Adams, F. |
|
|
Title |
Classification of mineral particles by nonlinear mapping of electron microprobe energy-dispersive X-ray spectra |
Type |
A1 Journal article |
|
Year |
1994 |
Publication |
The analyst |
Abbreviated Journal |
|
|
|
Volume |
119 |
Issue |
|
Pages |
971-974 |
|
|
Keywords |
A1 Journal article; AXES (Antwerp X-ray Analysis, Electrochemistry and Speciation); Chemometrics (Mitac 3) |
|
|
Abstract |
|
|
|
Address |
|
|
|
Corporate Author |
|
Thesis |
|
|
|
Publisher |
|
Place of Publication |
|
Editor |
|
|
|
Language |
|
Wos |
A1994NR76500037 |
Publication Date |
2004-03-24 |
|
|
Series Editor |
|
Series Title |
|
Abbreviated Series Title |
|
|
|
Series Volume |
|
Series Issue |
|
Edition |
|
|
|
ISSN |
|
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:8918 |
Serial |
7669 |
|
Permanent link to this record |
|
|
|
|
Author |
Cabal, A.; Schalm, O.; Eyskens, P.; Willems, P.; Harth, A.; van Espen, P. |
|
|
Title |
Comparison of x-ray absorption and emission techniques for the investigation of paintings |
Type |
A1 Journal article |
|
Year |
2015 |
Publication |
X-ray spectrometry |
Abbreviated Journal |
|
|
|
Volume |
44 |
Issue |
3 |
Pages |
141-148 |
|
|
Keywords |
A1 Journal article; AXES (Antwerp X-ray Analysis, Electrochemistry and Speciation); Antwerp Cultural Heritage Sciences (ARCHES) |
|
|
Abstract |
Four x-ray techniques: computed radiography, emission radiography, energy-resolved radiography and imaging x-ray fluorescence were compared using four mock-up panel paintings. The paintings have different stratigraphy and pigments and are representative for different historical periods. One of the paintings has a hidden underlying painting. The type of pigments used mainly influences the information obtained by both the emission and absorption measurements; high-Z white pigment and high-Z color pigments giving the best contrast. Each of the techniques revealed interesting aspects of the paintings, but none of them could reveal the hidden painting to a satisfactory level. Due to the statistical quality of the spectral data, x-ray fluorescence gives elemental images with high contrast. The radiographic images are better to reveal the internal structure. Imaging x-ray fluorescence and energy-resolved radiography measurements can be done simultaneously, and the combination has the highest potential for the study of complex multilayer paintings. Copyright (c) 2015 John Wiley & Sons, Ltd. |
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|
Address |
|
|
|
Corporate Author |
|
Thesis |
|
|
|
Publisher |
|
Place of Publication |
|
Editor |
|
|
|
Language |
|
Wos |
000353644500010 |
Publication Date |
2015-02-05 |
|
|
Series Editor |
|
Series Title |
|
Abbreviated Series Title |
|
|
|
Series Volume |
|
Series Issue |
|
Edition |
|
|
|
ISSN |
0049-8246 |
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:126016 |
Serial |
7698 |
|
Permanent link to this record |
|
|
|
|
Author |
Kips, R.; Pidduck, A.J.; Houlton, M.R.; Leenaers, A.; Mace, J.D.; Marie, O.; Pointurier, F.; Stefaniak, E.A.; Taylor, P.D.P.; van den Berghe, S.; van Espen, P.; Van Grieken, R.; Wellum, R. |
|
|
Title |
Determination of fluorine in uranium oxyfluoride particles as an indicator of particle age |
Type |
A1 Journal article |
|
Year |
2009 |
Publication |
Spectrochimica acta: part B : atomic spectroscopy |
Abbreviated Journal |
|
|
|
Volume |
64 |
Issue |
3 |
Pages |
199-207 |
|
|
Keywords |
A1 Journal article; AXES (Antwerp X-ray Analysis, Electrochemistry and Speciation); Chemometrics (Mitac 3) |
|
|
Abstract |
As swipe samples from enrichment activities typically contain uranium particles with a detectable amount of fluorine, the question was raised whether the analysis of fluorine in particles could complement the information on the uranium isotope ratios. For this, uranium oxyfluoride particles were prepared from the controlled hydrolysis of uranium hexafluoride (UF6). The relative amount of fluorine was characterized by scanning electron microscopy combined with energy-dispersive X-ray spectrometry (SEM-EDX), as well as ion-microprobe secondary ion mass spectrometry (IM-SIMS). Of particular interest was the assessment of the reduction of the amount of fluorine over time, and after exposure to UV-light and high temperatures. Micro-Raman spectrometry (MRS) was applied to look for differences in molecular structure between these various sample types. Both SEM-EDX and IM-SIMS showed a general reduction of the fluorine-to-uranium ratio after 12 years of storage. The exposure to UV-light and high temperatures was found to have accelerated the loss of fluorine. A distinct peak at 865 cm− 1 Raman shift was detected for the majority of particles analyzed by MRS. For the particles that were heat-treated, the Raman spectra were similar to the spectrum of U3O8. Although often large variations were observed between particles from the same sample, the three particle measurement techniques (IM-SIMS, SEM-EDX and MRS) showed some consistent trends. They therefore appear promising in terms of the ability to place bounds on particle age, as well as shedding light on the complex processes involved in UO2F2 particle ageing. |
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Address |
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|
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Corporate Author |
|
Thesis |
|
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|
Publisher |
|
Place of Publication |
|
Editor |
|
|
|
Language |
|
Wos |
000265755600002 |
Publication Date |
2008-12-25 |
|
|
Series Editor |
|
Series Title |
|
Abbreviated Series Title |
|
|
|
Series Volume |
|
Series Issue |
|
Edition |
|
|
|
ISSN |
0584-8547; 1873-3565 |
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:77057 |
Serial |
7780 |
|
Permanent link to this record |
|
|
|
|
Author |
Araujo, M.F.; van Espen, P.; Van Grieken, R. |
|
|
Title |
Determination of sample thickness via scattered radiation in X-ray fluorescence spectrometry with filtered continuum excitation |
Type |
A1 Journal article |
|
Year |
1990 |
Publication |
X-ray spectrometry |
Abbreviated Journal |
|
|
|
Volume |
19 |
Issue |
1 |
Pages |
29-33 |
|
|
Keywords |
A1 Journal article; AXES (Antwerp X-ray Analysis, Electrochemistry and Speciation); Chemometrics (Mitac 3) |
|
|
Abstract |
A semi-empirical approach is described for determining the mass per unit area of a sample being analysed. The method can be used to estimate the concentration of minor and trace elements in matrices containing a substantial amount of light elements. The procedure utilizes the coherently and incoherently scattered radiation induced in the sample by the filtered continuum radiation of a rhodium x-ray tube. The relationship between the intensity of the scattered radiation per unit mass and the average atomic number of the sample is established via calibration graphs, which can be applied for different x-ray tube voltages and for different primary beam filters. The overall procedure was validated by the analysis of several geological standards, deposited as thin slurries of unknown thickness either on Mylar foil or on Nuclepore filters. |
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|
Address |
|
|
|
Corporate Author |
|
Thesis |
|
|
|
Publisher |
|
Place of Publication |
|
Editor |
|
|
|
Language |
|
Wos |
A1990CU24700005 |
Publication Date |
2005-05-28 |
|
|
Series Editor |
|
Series Title |
|
Abbreviated Series Title |
|
|
|
Series Volume |
|
Series Issue |
|
Edition |
|
|
|
ISSN |
0049-8246 |
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:116491 |
Serial |
7787 |
|
Permanent link to this record |
|
|
|
|
Author |
Abreu, Y.; Cruz, C.M.; Pinera, I.; Leyva, A.; Cabal, A.E.; van Espen, P. |
|
|
Title |
DFT study of the hyperfine parameters and magnetic properties of ZnO doped with 57Fe |
Type |
A1 Journal article |
|
Year |
2014 |
Publication |
Solid state communications |
Abbreviated Journal |
|
|
|
Volume |
185 |
Issue |
|
Pages |
25-29 |
|
|
Keywords |
A1 Journal article; AXES (Antwerp X-ray Analysis, Electrochemistry and Speciation) |
|
|
Abstract |
Magnetic state of Fe-57 implanted and doped ZnO samples have been reported and studied by Mossbauer spectroscopy at different temperatures. The Mossbauer spectra mainly showed four doublets and three sextets, but some ambiguous identification remains regarding the probe site location and influence of defects in the hyperfine and magnetic parameters. In the present work some possible implantation configurations are suggested and evaluated using Monte Carlo simulation and electronic structure calculations within the density functional theory. Various implantation environments were proposed and studied considering the presence of defects. The obtained Fe-57 hyperfine parameters show a good agreement with the reported experimental values for some of these configurations. The possibility of Fe pair formation, as well as a Zn site vacancy stabilization between he second and third neighborhood of the implantation site, is supported. (C) 2014 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 |
|
Place of Publication |
|
Editor |
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|
|
Language |
|
Wos |
000333751400007 |
Publication Date |
2014-01-23 |
|
|
Series Editor |
|
Series Title |
|
Abbreviated Series Title |
|
|
|
Series Volume |
|
Series Issue |
|
Edition |
|
|
|
ISSN |
0038-1098 |
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:116839 |
Serial |
7806 |
|
Permanent link to this record |
|
|
|
|
Author |
van Espen, P.; Van 't dack, L.; Adams, F.; Van Grieken, R. |
|
|
Title |
Effective sample weight from scatter peaks in energy-dispersive x-ray fluorescence |
Type |
A1 Journal article |
|
Year |
1979 |
Publication |
Analytical chemistry |
Abbreviated Journal |
|
|
|
Volume |
51 |
Issue |
7 |
Pages |
961-967 |
|
|
Keywords |
A1 Journal article; AXES (Antwerp X-ray Analysis, Electrochemistry and Speciation); Chemometrics (Mitac 3) |
|
|
Abstract |
|
|
|
Address |
|
|
|
Corporate Author |
|
Thesis |
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|
|
Publisher |
|
Place of Publication |
|
Editor |
|
|
|
Language |
|
Wos |
A1979GW66100047 |
Publication Date |
2005-03-16 |
|
|
Series Editor |
|
Series Title |
|
Abbreviated Series Title |
|
|
|
Series Volume |
|
Series Issue |
|
Edition |
|
|
|
ISSN |
0003-2700; 5206-882x |
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:111404 |
Serial |
7841 |
|
Permanent link to this record |
|
|
|
|
Author |
Abreu, Y.; Cruz, C.M.; van Espen, P.; Pérez, C.; Piñera, I.; Leyva, A.; Cabal, A.E. |
|
|
Title |
Electric field gradient calculations in ZnO samples implanted with 111In(111Cd) |
Type |
A1 Journal article |
|
Year |
2012 |
Publication |
Solid state communications |
Abbreviated Journal |
|
|
|
Volume |
152 |
Issue |
5 |
Pages |
399-402 |
|
|
Keywords |
A1 Journal article; AXES (Antwerp X-ray Analysis, Electrochemistry and Speciation) |
|
|
Abstract |
A first-principles study of the electric field gradient (EFG) calculated for ideal and In-111(Cd-111) implanted ZnO samples is reported in the present work. The study was made for ZnO ideal hexagonal structures and supercells were introduced in order to consider the possible implantation environments. The calculation was done using the “WIEN2k” code within the density functional theory, the exchange and correlation effects were determined by the GGA approximation. Three possible In-111(Cd-111) implantation configurations were studied, one substitutional incorporation at cation site and two interstitials. The obtained EFG values for the ideal structure and the substitutional site are in good agreement with the experimental reports measured by perturbed angular correlation (PAC) and high precision nuclear magnetic resonance (NMR). Thus, the ascription of substitutional incorporation of In-111(Cd-111) probe atom at the ZnO cation site after annealing was confirmed. (C) 2011 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 |
|
Place of Publication |
|
Editor |
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|
|
Language |
|
Wos |
000301329200016 |
Publication Date |
2011-12-09 |
|
|
Series Editor |
|
Series Title |
|
Abbreviated Series Title |
|
|
|
Series Volume |
|
Series Issue |
|
Edition |
|
|
|
ISSN |
0038-1098 |
ISBN |
|
Additional Links |
UA library record; WoS full record; WoS citing articles |
|
|
Impact Factor |
|
Times cited |
|
Open Access |
|
|
|
Notes |
|
Approved |
no |
|
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Call Number |
UA @ admin @ c:irua:97821 |
Serial |
7857 |
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Permanent link to this record |
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Author |
Osán, J.; de Hoog, J.; van Espen, P.; Szalóki, I.; Ro, C.-U.; Van Grieken, R. |
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Title |
Evaluation of energy-dispersive x-ray spectra of low-Z elements from electron-probe microanalysis of individual particles |
Type |
A1 Journal article |
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Year |
2001 |
Publication |
X-ray spectrometry |
Abbreviated Journal |
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Volume |
30 |
Issue |
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Pages |
419-426 |
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Keywords |
A1 Journal article; AXES (Antwerp X-ray Analysis, Electrochemistry and Speciation); Chemometrics (Mitac 3) |
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Abstract |
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Corporate Author |
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Place of Publication |
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Wos |
000172347800010 |
Publication Date |
2002-08-25 |
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Series Title |
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Series Volume |
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Series Issue |
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Edition |
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ISSN |
0049-8246 |
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 |
no |
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Call Number |
UA @ admin @ c:irua:36091 |
Serial |
7939 |
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Permanent link to this record |
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Author |
Kindratenko, V.V.; van Espen, P.J.M.; Treiger, B.A.; Van Grieken, R.E. |
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Title |
Fractal dimensional classification of aerosol particles by computer-controlled scanning electron microscopy |
Type |
A1 Journal article |
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Year |
1994 |
Publication |
Environmental science and technology |
Abbreviated Journal |
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Volume |
28 |
Issue |
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Pages |
2197-2202 |
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Keywords |
A1 Journal article; AXES (Antwerp X-ray Analysis, Electrochemistry and Speciation); Chemometrics (Mitac 3) |
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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 |
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Editor |
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Language |
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Wos |
A1994PP82900033 |
Publication Date |
2007-05-30 |
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Series Title |
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Series Volume |
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Series Issue |
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Edition |
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ISSN |
0013-936x; 1520-5851 |
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 |
no |
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Call Number |
UA @ admin @ c:irua:9497 |
Serial |
7983 |
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Permanent link to this record |