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Author |
Magnus, W.; Brosens, F.; Sorée, B. |
![find record details (via OpenURL) openurl](img/xref.gif)
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Title |
Modeling drive currents and leakage currents : a dynamic approach |
Type |
A1 Journal article |
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Year |
2009 |
Publication |
Journal of computational electronics |
Abbreviated Journal |
J Comput Electron |
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Volume |
8 |
Issue |
3/4 |
Pages ![sorted by First Page field, descending order (down)](img/sort_desc.gif) |
307-323 |
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Keywords |
A1 Journal article; Condensed Matter Theory (CMT); Theory of quantum systems and complex systems |
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Abstract |
The dynamics of electrons and holes propagating through the nano-scaled channels of modern semiconductor devices can be seen as a widespread manifestation of non-equilibrium statistical physics and its ruling principles. In this respect both the devices that are pushing conventional CMOS technology towards the final frontiers of Moores law and the upcoming set of alternative, novel nanostructures grounded on entirely new concepts and working principles, provide an almost unlimited playground for assessing physical models and numerical techniques emerging from classical and quantum mechanical non-equilibrium theory. In this paper we revisit the Boltzmann as well as the WignerBoltzmann equation which offers a valuable platform to study transport of charge carriers taking part in drive currents. We focus on a numerical procedure that regained attention recently as an alternative tool to solve the time-dependent Boltzmann equation for inhomogeneous systems, such as the channel regions of field-effect transistors, and we discuss its extension to the WignerBoltzmann equation. Furthermore, we pay attention to the calculation of tunneling leakage currents. The latter typically occurs in nano-scaled transistors when part of the carrier distribution sustaining the drive current is found to tunnel into the gate due the presence of an ultra-thin insulating barrier separating the gate from the channel region. In particular, we discuss the paradox related to the very existence of leakage currents established by electrons occupying quasi-bound states, while the (real) wave functions of the latter cannot carry net currents. Finally, we describe a simple model to resolve the paradox as well as to estimate gate currents provided the local carrier generation rates largely exceed the tunneling rates. |
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Place of Publication |
S.l. |
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Wos |
000208236100009 |
Publication Date |
2009-09-28 |
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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 |
1569-8025;1572-8137; |
ISBN |
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Additional Links |
UA library record; WoS full record; WoS citing articles |
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Impact Factor |
1.526 |
Times cited |
4 |
Open Access |
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Notes |
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Approved |
Most recent IF: 1.526; 2009 IF: NA |
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Call Number |
UA @ lucian @ c:irua:89503 |
Serial |
2110 |
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Permanent link to this record |
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Author |
Van Tendeloo, G.; Krekels, T.; Milat, O.; Amelinckx, S. |
![find record details (via OpenURL) openurl](img/xref.gif)
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Title |
Structural effects of element substitution on superconducting properties in 1-2-3 YBCO: an electron microscopy study |
Type |
A1 Journal article |
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Year |
1993 |
Publication |
Journal of alloys and compounds |
Abbreviated Journal |
J Alloy Compd |
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Volume |
195 |
Issue |
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Pages ![sorted by First Page field, descending order (down)](img/sort_desc.gif) |
307-314 |
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Keywords |
A1 Journal article; Electron microscopy for materials research (EMAT) |
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Place of Publication |
Amsterdam |
Editor |
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Wos |
A1993LC49200075 |
Publication Date |
2003-06-21 |
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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 |
0925-8388; |
ISBN |
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Additional Links |
UA library record; WoS full record; WoS citing articles |
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Impact Factor |
2.999 |
Times cited |
1 |
Open Access |
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Approved |
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Call Number |
UA @ lucian @ c:irua:6790 |
Serial |
3234 |
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Permanent link to this record |
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Author |
Mishra, V.K.; Kumar, P.; Van Poppel, M.; Bleux, N.; Frijns, E.; Reggente, M.; Berghmans, P.; Int Panis, L.; Samson, R. |
![goto web page (via DOI) doi](http://nano.uantwerpen.be/nanorefs/img/doi.gif)
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Title |
Wintertime spatio-temporal variation of ultrafine particles in a Belgian city |
Type |
A1 Journal article |
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Year |
2012 |
Publication |
The science of the total environment |
Abbreviated Journal |
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Volume |
431 |
Issue |
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Pages ![sorted by First Page field, descending order (down)](img/sort_desc.gif) |
307-313 |
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Keywords |
A1 Journal article; Sustainable Energy, Air and Water Technology (DuEL) |
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Abstract |
Simultaneous measurements of ultrafine particles (UFPs) were carried out at four sampling locations situated within a 1 km(2) grid area in a Belgian city, Borgerhout (Antwerp). All sampling sites had different orientation and height of buildings and dissimilar levels of anthropogenic activities (mainly traffic volume). The aims were to investigate: (i) the spatio-temporal variation of UFP within the area, (ii) the effect of wind direction with respect to the volume of traffic on UFP levels, and (iii) the spatial representativeness of the official monitoring station situated in the study area. All sampling sites followed similar diurnal patterns of UFP variation, but effects of local traffic emissions were evident. Wind direction also had a profound influence on UFP concentrations at certain sites. The results indicated a clear influence of local weather conditions and the more dominant effect of traffic volumes. Our analysis indicated that the regional air quality monitoring station represented the other sampling sites in the study area reasonably well; temporal patterns were found to be comparable though the absolute average concentrations showed differences of up to 35%. (C) 2012 Elsevier B.V. All rights reserved. |
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Wos |
000306887900037 |
Publication Date |
2012-06-14 |
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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; 1879-1026 |
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:101123 |
Serial |
8759 |
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Permanent link to this record |
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Author |
Wang, X.; Amin-Ahmadi, B.; Schryvers, D.; Verlinden, B.; Van Humbeeck, J. |
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Title |
Effect of annealing on the transformation behavior and mechanical properties of two nanostructured Ti-50.8at.%Ni thin wires produced by different methods |
Type |
A1 Journal article |
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Year |
2013 |
Publication |
Materials science forum |
Abbreviated Journal |
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Volume |
738/739 |
Issue |
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Pages ![sorted by First Page field, descending order (down)](img/sort_desc.gif) |
306-310 |
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Keywords |
A1 Journal article; Electron microscopy for materials research (EMAT) |
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Abstract |
A Ti-50.8at.%Ni wire produced using a co-drawing method and a commercial Ti-50.8at.%Ni wire were annealed at different temperatures between 450°C and 700°C. Grains with diameter less than 100nm were revealed by transmission electron microscopy for both wires before annealing treatment. However, the microstructural heterogeneity of the co-drawn wire is more obvious than that of the commercial wire. Multi-stage martensitic transformation was observed in the co-drawn wire, compared with the one-stage A↔M transformation in the commercial wire after annealing at 600°C for 30min. The differences of total elongation, plateau strain and pseudoelastic recoverable strain between the commercial wire and the co-drawn wire were also observed. The differences of the transformation behavior and mechanical properties between the commercial wire and the co-drawn wire are attributed to the microstructural difference between these two wires. |
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Place of Publication |
Lausanne |
Editor |
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Language |
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Wos |
000316089000055 |
Publication Date |
2013-03-11 |
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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 |
1662-9752; |
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:104691 |
Serial |
798 |
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Permanent link to this record |
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Author |
Cautaerts, N. |
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Title |
Nanoscale study of ageing and irradiation induced precipitates in the DIN 1.4970 alloy |
Type |
Doctoral thesis |
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Year |
2019 |
Publication |
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Abbreviated Journal |
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Volume |
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Issue |
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Pages ![sorted by First Page field, descending order (down)](img/sort_desc.gif) |
306 p. |
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Keywords |
Doctoral thesis; Electron microscopy for materials research (EMAT) |
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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 |
Most recent IF: NA |
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Call Number |
UA @ admin @ c:irua:161997 |
Serial |
5392 |
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Permanent link to this record |
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Author |
Cagno, S.; Hellemans, K.; Lind, O.C.; Skipperud, L.; Janssens, K.; Salbu, B. |
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Title |
LA-ICP-MS for Pu source identification at Mayak PA, the Urals, Russia |
Type |
A1 Journal article |
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Year |
2014 |
Publication |
Environmental science : processes & impacts |
Abbreviated Journal |
Environ Sci-Proc Imp |
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Volume |
16 |
Issue |
2 |
Pages ![sorted by First Page field, descending order (down)](img/sort_desc.gif) |
306-312 |
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Keywords |
A1 Journal article; AXES (Antwerp X-ray Analysis, Electrochemistry and Speciation) |
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Abstract |
Information on Pu in environmental samples is traditionally based on the determination of the 240+239PU activity via Alpha Spectrometry (AS). A large number of alpha spectrometry sources (planchettes) containing radiochemically separated Pu are therefore stored worldwide and are available for further analyses. These archive samples represent a resource from which valuable information on isotopic composition of alpha emitters including Pu can be obtained. The relative abundances of Pu isotopes can be used to trace specific Pu sources and characterize the relative contributions of different Pu sources in a sample. Thus, in addition to the total 239+240PU activity, determination of the Pu-240/Pu-239 ratio can provide valuable information on the nature of the Pu emitting sources. The Pu isotopic ratios can be determined by mass spectrometry techniques such as Sector Field Inductively Coupled Plasma Mass Spectrometry (SF-ICPMS) or Accelerator Mass Spectrometry (AMS) that require dissolution and complete destruction of the material deposited on the planchettes. In this study Laser Ablation (LA)-quadrupole-ICP-MS has been employed for the analysis of Pu-239/Pu-240 ratios from alpha-planchettes prepared from samples originating from the Mayak PA nuclear facility, Russia. The results are compared with data from AMS and show that the Pu-240/Pu-239 ratios obtained by LA-ICP-MS can be utilized to distinguish weapons-grade Pu from civil reprocessing sources. Moreover, isotope ratio mapping can also be performed across the planchettes, allowing e.g. the visualization of possible inhomogeneities in the Pu-isotope distribution on their surface. Thus, this solid sample technique can be applied to extract additional information from existing archives of samples. |
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Wos |
000331504100015 |
Publication Date |
2013-12-09 |
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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 |
2050-7887; 2050-7895 |
ISBN |
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Additional Links |
UA library record; WoS full record; WoS citing articles |
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Impact Factor |
2.592 |
Times cited |
10 |
Open Access |
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Notes |
; This work was supported by the Research Council of Norway through its Centres of Excellence funding scheme, project number 223268/F50, and the Hercules fund, Brussels (grant A11/0387). ; |
Approved |
Most recent IF: 2.592; 2014 IF: 2.171 |
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Call Number |
UA @ admin @ c:irua:115791 |
Serial |
5684 |
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Permanent link to this record |
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Author |
Abakumov, A.M.; Shpanchenko, R.V.; Antipov, E.V.; Lebedev, O.I.; Van Tendeloo, G. |
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Title |
The crystal structure of Ca3ReO6 |
Type |
A1 Journal article |
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Year |
1997 |
Publication |
Journal of solid state chemistry |
Abbreviated Journal |
J Solid State Chem |
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Volume |
131 |
Issue |
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Pages ![sorted by First Page field, descending order (down)](img/sort_desc.gif) |
305-309 |
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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 |
A1997XQ33000014 |
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 |
0022-4596 |
ISBN |
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Additional Links |
UA library record; WoS full record; WoS citing articles |
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Impact Factor |
2.299 |
Times cited |
10 |
Open Access |
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Notes |
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Approved |
Most recent IF: 2.299; 1997 IF: 1.486 |
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Call Number |
UA @ lucian @ c:irua:21442 |
Serial |
571 |
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Permanent link to this record |
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Author |
Bernaerts, D.; Zhang, X.; Zhang, X.; Van Tendeloo, G.; Vanlanduyt, J.; Amelinckx, S. |
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Title |
HREM study of Rb6C60 and helical shaped carbon nanotubules |
Type |
P1 Proceeding |
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Year |
1994 |
Publication |
Sciences |
Abbreviated Journal |
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Volume |
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Issue |
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Pages ![sorted by First Page field, descending order (down)](img/sort_desc.gif) |
305-306 |
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Keywords |
P1 Proceeding; 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 |
Editions physique |
Place of Publication |
Les ulis |
Editor |
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Language |
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Wos |
A1994BE09Y00147 |
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 |
2-86883-226-1 |
ISBN |
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Additional Links |
UA library record; WoS full 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 |
COMPUTER SCIENCE, INTERDISCIPLINARY 11/104 Q1 # PHYSICS, MATHEMATICAL 1/53 Q1 # |
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Call Number |
UA @ lucian @ c:irua:95938 |
Serial |
1512 |
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Permanent link to this record |
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Author |
Bernaerts, D.; Zhang, X.B.; Zhang, X.F.; Van Tendeloo, G.; van Landuyt, J.; Amelinckx, S. |
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Title |
HREM study of Rb6C60 and helical carbon nanotubules |
Type |
A3 Journal article |
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Year |
1994 |
Publication |
Icem |
Abbreviated Journal |
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Volume |
13 |
Issue |
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Pages ![sorted by First Page field, descending order (down)](img/sort_desc.gif) |
305-306 |
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Keywords |
A3 Journal article; Electron microscopy for materials research (EMAT) |
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Abstract |
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Address |
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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 |
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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 |
COMPUTER SCIENCE, INTERDISCIPLINARY 11/104 Q1 # PHYSICS, MATHEMATICAL 1/53 Q1 # |
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Call Number |
UA @ lucian @ c:irua:10056 |
Serial |
1514 |
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Permanent link to this record |
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Author |
Nikolaev, A.V.; Michel, K.H. |
![find record details (via OpenURL) openurl](img/xref.gif)
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Title |
Many electron- and hole terms of molecular ions C60n\pm |
Type |
A1 Journal article |
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Year |
2003 |
Publication |
Coupling In Chemistry And Physics |
Abbreviated Journal |
Adv Quantum Chem |
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Volume |
44 |
Issue |
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Pages ![sorted by First Page field, descending order (down)](img/sort_desc.gif) |
305-312 |
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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 |
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Thesis |
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Publisher |
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Place of Publication |
New York, N.Y. |
Editor |
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Language |
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Wos |
000188940800019 |
Publication Date |
2004-05-19 |
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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 |
0065-3276; |
ISBN |
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Additional Links |
UA library record; WoS full record; WoS citing articles |
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Impact Factor |
1.196 |
Times cited |
1 |
Open Access |
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Notes |
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Approved |
Most recent IF: 1.196; 2003 IF: 0.375 |
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Call Number |
UA @ lucian @ c:irua:104131 |
Serial |
1942 |
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Permanent link to this record |
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Author |
Chizhov, A.S.; Rumyantseva, M.N.; Vasiliev, R.B.; Filatova, D.G.; Drozdov, K.A.; Krylov, I.V.; Abakumov, A.M.; Gaskov, A.M. |
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Title |
Visible light activated room temperature gas sensors based on nanocrystalline ZnO sensitized with CdSe quantum dots |
Type |
A1 Journal article |
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Year |
2014 |
Publication |
Sensors and actuators : B : chemical |
Abbreviated Journal |
Sensor Actuat B-Chem |
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Volume |
205 |
Issue |
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Pages ![sorted by First Page field, descending order (down)](img/sort_desc.gif) |
305-312 |
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Keywords |
A1 Journal article; Electron microscopy for materials research (EMAT) |
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Abstract |
This work reports the study of photoconductivity and visible light activated room temperature gas sensors properties of nanocrystalline ZnO thick films sensitized with colloidal CdSe quantum dots (QDs). Nanocrystalline zinc oxide (ZnO) was synthesized by the precipitation method. Colloidal CdSe quantum dots were obtained by high temperature colloidal synthesis. Sensitization was effectuated by three different procedures including direct adsorption of CdSe QDs stabilized with oleic acid on ZnO surface, anchoring to the ZnO surface through a bifunctional molecule of mercaptopropionic acid (MPA), and coating of CdSe QDs with a monolayer of MPA with subsequent adsorption on ZnO surface. Sensor measurements demonstrated that obtained QD CdSe/ZnO nanocomposites can be used for NO2 detection under visible (green) light illumination at room temperature without any thermal heating. (C) 2014 Elsevier B.V. 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 |
Lausanne |
Editor |
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Language |
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Wos |
000343117600041 |
Publication Date |
2014-09-06 |
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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 |
0925-4005; |
ISBN |
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Additional Links |
UA library record; WoS full record; WoS citing articles |
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Impact Factor |
5.401 |
Times cited |
36 |
Open Access |
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Notes |
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Approved |
Most recent IF: 5.401; 2014 IF: 4.097 |
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Call Number |
UA @ lucian @ c:irua:121107 |
Serial |
3848 |
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Permanent link to this record |
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Author |
Anaf, W.; Cabal, A.; Robbe, M.; Schalm, O. |
![goto web page (via DOI) doi](http://nano.uantwerpen.be/nanorefs/img/doi.gif)
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Title |
Real-time wood behaviour : the use of strain gauges for preventive conservation applications |
Type |
A1 Journal article |
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Year |
2020 |
Publication |
Sensors |
Abbreviated Journal |
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Volume |
20 |
Issue |
1 |
Pages ![sorted by First Page field, descending order (down)](img/sort_desc.gif) |
305 |
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Keywords |
A1 Journal article; AXES (Antwerp X-ray Analysis, Electrochemistry and Speciation); Antwerp Cultural Heritage Sciences (ARCHES) |
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Abstract |
Within the heritage field, the application of strain gauges on wood surfaces is a little-explored but inexpensive and effective method to analyse the environmental appropriateness of rooms for the wooden heritage collections they contain. This contribution proposes a wood sensor connected to a data logger to identify short moments with an elevated risk of harm. Two experiments were performed to obtain insights pertaining to the applicability of wood sensors to evaluate preservation conditions. (1) The representativeness of strain gauges on dummies was tested for their use in evaluating the preservation conditions of a range of wooden objects exposed to the same environment. For this, three situations were mimicked: a bare wood surface, a wood surface covered with a preparation layer, and a wood surface covered with a preparation and varnish layer. (2) The usability of strain gauges to monitor the wood behaviour in real-time measurements was tested with a monitoring campaign of almost two years in a church where a new heating system was installed. The results of both experiments are promising, and the authors encourage a broader application of strain gauges in the heritage field. |
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Wos |
000510493100305 |
Publication Date |
2020-01-06 |
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; This research was funded by the Belgian Federal Public Planning Service Science Policy (BELSPO) under project number BR/132/A6/AIRCHECQ. ; |
Approved |
Most recent IF: NA |
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Call Number |
UA @ admin @ c:irua:166595 |
Serial |
6592 |
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Author |
Nelen, D.; Manshoven, S.; Peeters, J.R.; Vanegas, P.; D'Haese, N.; Vrancken, K. |
![find record details (via OpenURL) openurl](img/xref.gif)
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Title |
A multidimensional indicator set to assess the benefits of WEEE material recycling |
Type |
A1 Journal article |
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Year |
2014 |
Publication |
Journal of cleaner production |
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Volume |
83 |
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Pages ![sorted by First Page field, descending order (down)](img/sort_desc.gif) |
305-316 |
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Keywords |
A1 Journal article; Sustainable Energy, Air and Water Technology (DuEL) |
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Abstract |
EU strategies for waste management have long recognized the key role of recycling to move towards sustainable consumption and production. This resulted in a range of regulatory measures, among which the Waste Electrical and Electronic Equipment (WEEE) directive, which sets weight-based targets for recovery, preparation for re-use and recycling. The increasing strategic relevance of the supply of raw materials has, however, spurred a more integrated approach towards resource efficiency. In addition to the prevention of disposal, recycling practices are now also meant to contribute to sustainable materials management by pursuing (i) a higher degree of material cycle closure, (ii) an improved recovery of strategically relevant materials, and (iii) the avoidance of environmental burdens associated with the extraction and refining of primary raw materials. In response to this evolution, this paper reports about the development of an indicator set that allows to quantitatively demonstrate these recycling benefits, hence going further than the weight-based objectives employed in the WEEE directive. The indicators can be calculated for WEEE recycling processes for which information is available on both input and output fractions. It offers a comprehensive framework that aims to support decision making processes on product design, to identify opportunities for the optimization of WEEE End-of-Life scenarios, and to assess the achieved (or expected) results of implemented (or planned) recycling optimization strategies. The paper is illustrated by a case study on the recycling of LCD televisions. (C) 2014 Elsevier Ltd. All rights reserved. |
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Wos |
000343781500030 |
Publication Date |
2014-07-11 |
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ISSN |
0959-6526 |
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UA library record; WoS full record; WoS citing articles |
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no |
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Call Number |
UA @ admin @ c:irua:121160 |
Serial |
7393 |
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Author |
Sena, R.P.; Hadermann, J.; Chin, C.-M.; Hunter, E.C.; Battle, P.D. |
![goto web page (via DOI) doi](http://nano.uantwerpen.be/nanorefs/img/doi.gif)
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Title |
Structural chemistry and magnetic properties of the perovskite SrLa2Ni2TeO9 |
Type |
A1 Journal article |
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Year |
2016 |
Publication |
Journal of solid state chemistry |
Abbreviated Journal |
J Solid State Chem |
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Volume |
243 |
Issue |
243 |
Pages ![sorted by First Page field, descending order (down)](img/sort_desc.gif) |
304-311 |
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Keywords |
A1 Journal article; Electron microscopy for materials research (EMAT) |
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Abstract |
A polycrystalline sample of SrLa2Ni2TeO9 has been synthesized using a standard ceramic method and characterized by neutron diffraction, magnetometry and electron microscopy. The compound adopts a monoclinic, perovskite-like structure with space group P2(1)/n in and unit cell parameters a=5.6008(1), b = 5.5872(1), c=7.9018(2) angstrom, p=90.021(6)degrees at room temperature. The two crystallographically-distinct B sites are occupied by Ni2+ and Te6+ in ratios of 83:17 and 50:50. Both ac and dc magnetometry suggest that the compound is a spin glass below 35 K but the neutron diffraction data show that some regions of the sample are antiferromagnetic. Electron microscopy revealed twinning on a nanoscale and local variations in composition. These defects are thought to be responsible for the presence of two distinct types of antiferromagnetic ordering. (C) 2016 The Authors. Published by Elsevier Inc. |
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Place of Publication |
London |
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Wos |
000384874100041 |
Publication Date |
2016-09-09 |
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ISSN |
0022-4596 |
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Additional Links |
UA library record; WoS full record; WoS citing articles |
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Impact Factor |
2.299 |
Times cited |
6 |
Open Access |
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Notes |
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Approved |
Most recent IF: 2.299 |
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Call Number |
UA @ lucian @ c:irua:137232 |
Serial |
4403 |
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Author |
Simionovici, A.S.; Chukalina, M.; Drakopoulos, M.; Snigireva, I.; Snigirev, A.; Schroer, C.; Lengeler, B.; Janssens, K.; Adams, F. |
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Title |
X-ray fluorescence microtomography: experiment and reconstruction |
Type |
H3 Book chapter |
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Year |
1999 |
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Abbreviated Journal |
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Pages ![sorted by First Page field, descending order (down)](img/sort_desc.gif) |
304-310 |
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Keywords |
H3 Book chapter; AXES (Antwerp X-ray Analysis, Electrochemistry and Speciation) |
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UA library record |
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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 @ admin @ c:irua:26196 |
Serial |
5915 |
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Permanent link to this record |
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Author |
Yampolskii, S.V.; Baelus, B.J.; Peeters, F.M.; Kolacek, J. |
![find record details (via OpenURL) openurl](img/xref.gif)
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Title |
Electric charges in superconducting mesoscopic samples |
Type |
A1 Journal article |
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Year |
2002 |
Publication |
Czechoslovak journal of physics
T2 – 11th Czech and Slovak Conference on Magnetism (CSMAG 01), AUG 20-23, 2001, KOSICE, SLOVAKIA |
Abbreviated Journal |
Czech J Phys |
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Volume |
52 |
Issue |
2 |
Pages ![sorted by First Page field, descending order (down)](img/sort_desc.gif) |
303-306 |
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Keywords |
A1 Journal article; Condensed Matter Theory (CMT) |
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Abstract |
The distribution of the electric charge density in mesoscopic superconducting disks and cylinders is studied within the phenomenological Ginzburg-Landau approach. We found that, even in the Meissner state the mesoscopic sample exhibits a non-uniform charge distribution such that a region near the sample edge becomes negatively charged. When vortices are inside the sample there is a superposition of the negative charge located at the vortex core and this Meissner charge, and, as a result, the charge at the sample edge changes sign as a function of the applied magnetic field. |
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Wos |
000174955600046 |
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2002-12-28 |
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ISSN |
0011-4626; |
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UA library record; WoS full record |
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Most recent IF: NA |
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Call Number |
UA @ lucian @ c:irua:103374 |
Serial |
880 |
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Author |
Müller, E.; Kruse, P.; Gerthsen, D.; Schowalter, M.; Rosenauer, A.; Lamoen, D.; Kling, R. |
![find record details (via OpenURL) openurl](img/xref.gif)
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Title |
Measurement of the mean inner potential of ZnO nanorods by transmission electron holography |
Type |
A1 Journal article |
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Year |
2005 |
Publication |
Microscopy of Semiconducting Materials |
Abbreviated Journal |
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Volume |
107 |
Issue |
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Pages ![sorted by First Page field, descending order (down)](img/sort_desc.gif) |
303-306 |
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Keywords |
A1 Journal article; Electron Microscopy for Materials Science (EMAT) |
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Place of Publication |
Berlin |
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Publication Date |
0000-00-00 |
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Series Title |
SPRINGER PROCEEDINGS IN PHYSICS |
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ISSN |
0930-8989 |
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Additional Links |
UA library record; WoS full record; |
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Most recent IF: NA |
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Call Number |
UA @ lucian @ c:irua:72914 |
Serial |
1962 |
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Author |
Fomin, V.M.; Misko, V.R.; Devreese, J.T.; Moshchalkov, V.V. |
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Title |
On the superconducting phase boundary for a mesoscopic square loop |
Type |
A1 Journal article |
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Year |
1997 |
Publication |
Solid State Communications |
Abbreviated Journal |
Solid State Commun |
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Volume |
101 |
Issue |
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Pages ![sorted by First Page field, descending order (down)](img/sort_desc.gif) |
303-308 |
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Keywords |
A1 Journal article; Electron Microscopy for Materials Science (EMAT); |
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Place of Publication |
New York, N.Y. |
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Wos |
A1997WB80400001 |
Publication Date |
0000-00-00 |
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Series Volume |
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Edition |
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ISSN |
0038-1098 |
ISBN |
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Additional Links |
UA library record; WoS full record; WoS citing articles |
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Impact Factor |
1.554 |
Times cited |
39 |
Open Access |
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Notes |
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Approved |
Most recent IF: 1.554; 1997 IF: 1.323 |
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Call Number |
UA @ lucian @ c:irua:20355 |
Serial |
2456 |
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Author |
Gaouyat, L.; He, Z.; Colomer, J.-F.; Lambin, P.; Mirabella, F.; Schryvers, D.; Deparis, O. |
![goto web page (via DOI) doi](http://nano.uantwerpen.be/nanorefs/img/doi.gif)
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Title |
Revealing the innermost nanostructure of sputtered NiCrOx solar absorber cermets |
Type |
A1 Journal article |
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Year |
2014 |
Publication |
Solar energy materials and solar cells |
Abbreviated Journal |
Sol Energ Mat Sol C |
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Volume |
122 |
Issue |
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Pages ![sorted by First Page field, descending order (down)](img/sort_desc.gif) |
303-308 |
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Keywords |
A1 Journal article; Engineering sciences. Technology; Electron microscopy for materials research (EMAT) |
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Abstract |
Conversion of solar energy into thermal energy helps reducing consumption of non-renewable energies. Cermets (ceramicmetal composites) are versatile materials suitable, amongst other applications, for solar selective absorbers. Although the presence of metallic Ni particles in the dielectric matrix is a prerequisite for efficient solar selective absorption in NiCrOx cermets, no clear evidence of such particles is reported so far. By combining comprehensive chemical and structural analyses, we reveal the presumed nanostructure which is at the origin of the remarkable optical properties of this cermet material. Using sputtered NiCrOx layers in a solar absorber multilayer stack on aluminium substrate allows us to achieve solar absorptance as high as α=96.1% while keeping thermal emissivity as low as ε=2.2%, both values being comparable to best values recorded so far. With the nanostructure of sputtered NiCrOx cermets eventually revealed, further optimization of solar absorbers can be anticipated and technological exploitation of cermet materials in other applications can be foreseen. |
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Place of Publication |
Amsterdam |
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Wos |
000331494200040 |
Publication Date |
2013-11-12 |
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Abbreviated Series Title |
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Edition |
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ISSN |
0927-0248; |
ISBN |
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Additional Links |
UA library record; WoS full record; WoS citing articles |
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Impact Factor |
4.784 |
Times cited |
12 |
Open Access |
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Notes |
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Approved |
Most recent IF: 4.784; 2014 IF: 5.337 |
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Call Number |
UA @ lucian @ c:irua:113086 |
Serial |
2902 |
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Author |
Zhang, Z.; Ma, L.N.; Liao, X.Z.; van Landuyt, J. |
![find record details (via OpenURL) openurl](img/xref.gif)
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Title |
A transmission electron-microscopy study of crystalline surface domains on al-co decagonal quasi-crystals and the \tau2-Al13CO4 approximant |
Type |
A1 Journal article |
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Year |
1994 |
Publication |
Philosophical magazine letters |
Abbreviated Journal |
Phil Mag Lett |
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Volume |
70 |
Issue |
5 |
Pages ![sorted by First Page field, descending order (down)](img/sort_desc.gif) |
303-310 |
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Keywords |
A1 Journal article; Electron microscopy for materials research (EMAT) |
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Abstract |
Twin-domains of a b.c.c. crystalline phase with a = 0.29 nm have been found in a surface layer on surfaces of Al-Co decagonal quasicrystals and the coexisting tau(2)-Al13Co4 crystalline approximant. These surface layer domains are introduced during the preparation of electron microscopy thin films by ion milling. |
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Place of Publication |
London |
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Wos |
A1994PQ20900008 |
Publication Date |
2007-07-08 |
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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 |
0950-0839;1362-3036; |
ISBN |
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Additional Links |
UA library record; WoS full record; WoS citing articles |
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Impact Factor |
1.087 |
Times cited |
4 |
Open Access |
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Notes |
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Approved |
no |
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Call Number |
UA @ lucian @ c:irua:99816 |
Serial |
3715 |
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Permanent link to this record |
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Author |
Li, Y.; Yang, X.-Y.; Rooke, J.; Van Tendeloo, G.; Su, B.-L. |
![find record details (via OpenURL) openurl](img/xref.gif)
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Title |
Ultralong Cu(OH)(2) and CuO nanowire bundles: PEG200-directed crystal growth for enhanced photocatalytic performance |
Type |
A1 Journal article |
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Year |
2010 |
Publication |
Journal of colloid and interface science |
Abbreviated Journal |
J Colloid Interf Sci |
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Volume |
348 |
Issue |
2 |
Pages ![sorted by First Page field, descending order (down)](img/sort_desc.gif) |
303-312 |
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Keywords |
A1 Journal article; Electron microscopy for materials research (EMAT) |
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Abstract |
Ultralong Cu(OH)(2) and CuO nanowire bundles with lengths ranging from tens to hundreds of micrometers have been selectively synthesized on a large scale by a facile solution-phase method, using PEG200 as growth-directing agent. The growth mechanisms were investigated by monitoring the nanowire evolution process. The results showed that under the action of PEG200 molecules, the Cu(OH)(2) and CuO nanowires were first formed through oriented attachment of colloidal particles, then through side self-assembly leading to nanowire bundles, and finally to CuO nanoleaves. PEG200 plays a critical role in the synthesis of nanowires as it not only prevents the random aggregation of colloidal particles toward CuO nanoleaves but also helps to orientate nanowire growth by the coalescence and alignment in one direction of the colloidal particles. The concentration of OH(-) in the reaction system is also important for nanowire growth. In the absence of PEG200, nanoleaves are formed by an Ostwald ripening process. The band-gap value estimated from a UV-Vis absorption spectrum of CuO nanowire bundles is 2.32 eV. The photodegradation of a model pollutant, rhodamine B, by CuO nanowires and nanoleaves was compared with commercial nanopowders, showing that the as-synthesized ultralong CuO polycrystalline nanowire bundles have an enhanced photocatalytic activity with 87% decomposition of rhodamine B after an 8-h reaction, which was much higher than that of single-crystal nanoleaves (61%) and commercial nanopowders (32%). The origin of the high photocatalytic activity of these new polycrystalline CuO nanowire bundles has been discussed. This present work reveals that the (0 0 2) crystallographic surface is more favorable for photocatalytic decomposition of organic compounds and that these ultralong CuO nanowire bundles are potential candidates for photocatalysts in wastewater treatment. (C) 2010 Elsevier Inc. All rights reserved. |
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Place of Publication |
New York, N.Y. |
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Wos |
000279968700002 |
Publication Date |
2010-04-26 |
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Abbreviated Series Title |
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Edition |
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ISSN |
0021-9797; |
ISBN |
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Additional Links |
UA library record; WoS full record; WoS citing articles |
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Impact Factor |
4.233 |
Times cited |
70 |
Open Access |
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Notes |
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Approved |
Most recent IF: 4.233; 2010 IF: 3.068 |
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Call Number |
UA @ lucian @ c:irua:95589 |
Serial |
3795 |
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Permanent link to this record |
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Author |
Pourtois, G.; Dabral, A.; Sankaran, K.; Magnus, W.; Yu, H.; de de Meux, A.J.; Lu, A.K.A.; Clima, S.; Stokbro, K.; Schaekers, M.; Houssa, M.; Collaert, N.; Horiguchi, N. |
![goto web page (via DOI) doi](http://nano.uantwerpen.be/nanorefs/img/doi.gif)
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Title |
Probing the intrinsic limitations of the contact resistance of metal/semiconductor interfaces through atomistic simulations |
Type |
P1 Proceeding |
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Year |
2017 |
Publication |
Semiconductors, Dielectrics, And Metals For Nanoelectronics 15: In Memory Of Samares Kar |
Abbreviated Journal |
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Volume |
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303-311 |
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Keywords |
P1 Proceeding; Engineering sciences. Technology; Condensed Matter Theory (CMT); Plasma Lab for Applications in Sustainability and Medicine – Antwerp (PLASMANT) |
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Abstract |
In this contribution, we report a fundamental study of the factors that set the contact resistivity between metals and highly doped semiconductors. We investigate the case of n-type doped Si contacted with amorphous TiSi combining first-principles calculations with Non-Equilibrium Green functions transport simulations. The intrinsic contact resistivity is found to saturate at similar to 2x10(-10) Omega.cm(2) with the doping concentration and sets an intrinsic limit to the ultimate contact resistance achievable for n-doped Si vertical bar amorphous-TiSi. This limit arises from the intrinsic properties of the semiconductor and of the metal such as their electron effective masses and Fermi energies. We illustrate that, in this regime, contacting metals with a heavy electron effective mass helps reducing the interface intrinsic contact resistivity. |
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Publisher |
Electrochemical soc inc |
Place of Publication |
Pennington |
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Wos |
000426271800028 |
Publication Date |
2017-10-17 |
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Series Title |
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Abbreviated Series Title |
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Series Volume |
80 |
Series Issue |
1 |
Edition |
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ISSN |
978-1-62332-470-4; 978-1-60768-818-1 |
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 |
1 |
Open Access |
Not_Open_Access |
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Notes |
; ; |
Approved |
Most recent IF: NA |
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Call Number |
UA @ lucian @ c:irua:149966 |
Serial |
4976 |
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Permanent link to this record |
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Author |
Ouwehand, J.; Van Eynde, E.; De Canck, E.; Lenaerts, S.; Verberckmoes, A.; Van der Voort, P. |
![goto web page url](http://nano.uantwerpen.be/nanorefs/img/www.gif)
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Title |
Titania-functionalized diatom frustules as photocatalyst for indoor air purification |
Type |
A1 Journal article |
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Year |
2018 |
Publication |
Applied catalysis : B : environmental |
Abbreviated Journal |
Appl Catal B-Environ |
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Volume |
226 |
Issue |
226 |
Pages ![sorted by First Page field, descending order (down)](img/sort_desc.gif) |
303-310 |
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Keywords |
A1 Journal article; Sustainable Energy, Air and Water Technology (DuEL) |
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Abstract |
Diatom frustules were extracted from the species Thalassiosira pseudonana and functionalized with titania to be used as photocatalysts in the abatement of acetaldehyde. The synthetic procedure is water-based and environmentally friendly. The synthesis parameters were optimized to give the highest possible photocatalytic activity. The optimized material, visualized with TEM and STEM-EDX, shows the TiO2 nanoparticles grafted inside the frustule pores, as well as on the silica surface. The titania particles, stabilized by the frustules, are 2.5 times more active than the P25 benchmark material. The photocatalyst is then tested in conditions of elevated relative humidity, to simulate indoor air. The catalytic activity only shows a minor decrease at 50% relative humidity, which is a better result than for the P25 benchmark. When tested over an extended period of time, the photocatalyst only shows a minor decrease in activity. |
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000425476800033 |
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2017-12-26 |
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ISSN |
0926-3373 |
ISBN |
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Additional Links |
UA library record; WoS full record; WoS citing articles |
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Impact Factor |
9.446 |
Times cited |
4 |
Open Access |
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Notes |
; The authors are grateful to the Flemish government (VLAIO) for providing funding through grant number 150663. The Thalassiosira Pseudonana algae were kindly provided by TomAlgae. The authors thank Katrien Haustraete, Sander Clerick and Funda Alic for performing TEM and STEM-EDX, SEM and CHN analyses, respectively, and Isabelle Ascoop for fruitful discussions. ; |
Approved |
Most recent IF: 9.446 |
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Call Number |
UA @ admin @ c:irua:149836 |
Serial |
5999 |
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Author |
Uytdenhouwen, Y. |
![find record details (via OpenURL) openurl](img/xref.gif)
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Title |
Tuning the performance of a DBD plasma reactor for CO2 reforming |
Type |
Doctoral thesis |
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Year |
2020 |
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303 p. |
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Doctoral thesis; Plasma Lab for Applications in Sustainability and Medicine – Antwerp (PLASMANT) |
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Approved |
Most recent IF: NA |
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Call Number |
UA @ admin @ c:irua:174026 |
Serial |
6774 |
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Author |
Carballa, M.; Smits, M.; Etchebehere, C.; Boon, N.; Verstraete, W. |
![find record details (via OpenURL) openurl](img/xref.gif)
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Title |
Correlations between molecular and operational parameters in continuous lab-scale anaerobic reactors |
Type |
A1 Journal article |
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Year |
2011 |
Publication |
Applied microbiology and biotechnology |
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Volume |
89 |
Issue |
2 |
Pages ![sorted by First Page field, descending order (down)](img/sort_desc.gif) |
303-314 |
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Keywords |
A1 Journal article; Engineering sciences. Technology; Sustainable Energy, Air and Water Technology (DuEL) |
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Abstract |
In this study, the microbial community characteristics in continuous lab-scale anaerobic reactors were correlated to reactor functionality using the microbial resource management (MRM) approach. Two molecular techniques, denaturing gradient gel electrophoresis (DGGE) and terminal-restriction fragment length polymorphism (T-RFLP), were applied to analyze the bacterial and archaeal communities, and the results obtained have been compared. Clustering analyses showed a similar discrimination of samples with DGGE and T-RFLP data, with a clear separation between the meso- and thermophilic communities. Both techniques indicate that bacterial and mesophilic communities were richer and more even than archaeal and thermophilic communities, respectively. Remarkably, the community composition was highly dynamic for both Bacteria and Archaea, with a rate of change between 30% and 75% per 18 days, also in stable performing periods. A hypothesis to explain the latter in the context of the converging metabolism in anaerobic processes is proposed. Finally, a more even and diverse bacterial community was found to be statistically representative for a well-functioning reactor as evidenced by a low Ripley index and high biogas production. |
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000285872500008 |
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2010-09-27 |
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ISSN |
0175-7598; 1432-0614 |
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Additional Links |
UA library record; WoS full record; WoS citing articles |
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no |
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Call Number |
UA @ admin @ c:irua:85202 |
Serial |
7736 |
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Author |
Voordeckers, D. |
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Title |
Design to breathe : understanding and altering wind patterns in street canyons to reduce human exposure to air pollution |
Type |
Doctoral thesis |
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Year |
2023 |
Publication |
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Abbreviated Journal |
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xxii, 303 p. |
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Doctoral thesis; Engineering sciences. Technology; Sustainable Energy, Air and Water Technology (DuEL); Research Group for Urban Development; Intelligence in PRocesses, Advanced Catalysts and Solvents (iPRACS) |
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Abstract |
Air pollution is proclaimed by the World Health Organiaation (WHO) as the biggest environmental threat to human health. Street canyons, or urban roads flanked by a continuous row of high buildings on both sides, are perceived as typical bottleneck areas for air quality due to their lack of natural ventilation. This doctoral thesis aims to integrate expert knowledge on in-canyon flow fields and pollution dispersion in street canyons from the specialized field of (bio)engineering into the field of urban planning and vice versa. In Chapter 1, a Geospatial Information System (GIS) method was developed to detect exposure zones and hotspot street canyons. A critical combination between aspect ratio (AR > 0.65) and traffic volume (TVmax > 300) was detected and subsequently used to detect hotspot street canyons in three major European cities (Antwerp, London and Paris). Chapter 2 focusses on acquiring in-depth knowledge on flow and concentration fields in street canyons by conducting an extensive literature review on over 200 studies and translates this knowledge into nineteen guidelines and eleven spatial tools, comprised in a toolbox for urban planning. Subsequently, computational fluid dynamics (CFD) was used into a research trough design process (Chapter 4) to illustrate how the design tools can be applied to a specific case study (Belgiëlei, Antwerp). Alternations to traffic lanes (traffic lane reduction and lateral displacement) combined with low boundary walls (LBWs), were found to reduce NO2 levels in the entire pedestrian area up to – 3.6 % and peak pollutions were reduced by -8 %. A maximum NO2 reduction was reached by combining a traffic lane displacement with hedges, adjustments to the tree planting pattern and an increased ground-level permeability, leading to reductions up to – 4.5 % in the pedestrian areas. In conclusion, urban design was found to be a valuable tool to enhance the effect of emission reduction strategies and draw in-canyon concentrations closer to the value of the background concentration. However, the background concentration seemed to dominate the efficiency of the urban design interventions and therefore, additional measures should be taken to reduce background pollution levels. This dissertation aims to contribute to the awareness of air pollution in street canyons, as well as support local governments in taking action by delivering spatial tools and guidelines applicable for urban planning and represents a framework for the dissemination of expert information on air quality in street canyons to the field of urban planning. |
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Most recent IF: NA |
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Call Number |
UA @ admin @ c:irua:196399 |
Serial |
7767 |
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Author |
Brügmann, L.; Bernard, P.C.; Van Grieken, R. |
![find record details (via OpenURL) openurl](img/xref.gif)
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Title |
Geochemistry of suspended matter from the Baltic Sea: 2: results of bulk trace metal analysis by AAS |
Type |
A1 Journal article |
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Year |
1992 |
Publication |
Marine chemistry |
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Volume |
38 |
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303-323 |
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Keywords |
A1 Journal article; AXES (Antwerp X-ray Analysis, Electrochemistry and Speciation) |
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A1992JE94400008 |
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2003-08-08 |
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ISSN |
0304-4203; 1872-7581 |
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UA library record; WoS full record; WoS citing articles |
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Impact Factor |
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no |
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Call Number |
UA @ admin @ c:irua:2836 |
Serial |
7996 |
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Author |
Vos, L.; Van Grieken, R. |
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Title |
Spark source mass spectrometry for trace analysis of diverse biological matrices |
Type |
H3 Book chapter |
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Year |
1983 |
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303-306
T2 - Mass spectrometry advances 1982 / Sch |
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H3 Book chapter; AXES (Antwerp X-ray Analysis, Electrochemistry and Speciation) |
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no |
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Call Number |
UA @ admin @ c:irua:117486 |
Serial |
8564 |
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Author |
Peeters, F.M.; Wu, X.G.; Devreese, J.T. |
![find record details (via OpenURL) openurl](img/xref.gif)
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Title |
Magneto-phonon resonances in the resistance and the optical absorption spectrum of heterostructures |
Type |
A1 Journal article |
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Year |
1991 |
Publication |
Physica scripta |
Abbreviated Journal |
Phys Scripta |
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Volume |
T39 |
Issue |
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302-307 |
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Keywords |
A1 Journal article; Condensed Matter Theory (CMT); Theory of quantum systems and complex systems |
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Place of Publication |
Stockholm |
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Wos |
A1991GV57300047 |
Publication Date |
2007-01-26 |
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ISSN |
0031-8949;1402-4896; |
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Additional Links |
UA library record; WoS full record |
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Impact Factor |
1.126 |
Times cited |
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Open Access |
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no |
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Call Number |
UA @ lucian @ c:irua:940 |
Serial |
1907 |
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Author |
Goessens, C.; Schryvers, D.; van Landuyt, J.; de Keyzer, R. |
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Title |
New method to determine the parity of the number of twin planes in tabular silver halide microcrystals from top views |
Type |
A1 Journal article |
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Year |
1997 |
Publication |
The journal of imaging science and technology |
Abbreviated Journal |
J Imaging Sci Techn |
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Volume |
41 |
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301-307 |
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Keywords |
A1 Journal article; Electron microscopy for materials research (EMAT) |
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Springfield, Va |
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000077457600017 |
Publication Date |
0000-00-00 |
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ISSN |
1062-3701 |
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Additional Links |
UA library record; WoS full record; WoS citing articles |
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Impact Factor |
0.348 |
Times cited |
1 |
Open Access |
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Notes |
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Approved |
Most recent IF: 0.348; 1997 IF: NA |
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Call Number |
UA @ lucian @ c:irua:21346 |
Serial |
2324 |
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Permanent link to this record |