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Records |
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Author |
Oliveira, M.C.; Verswyvel, H.; Smits, E.; Cordeiro, R.M.; Bogaerts, A.; Lin, A. |
| |
Title |
The pro- and anti-tumoral properties of gap junctions in cancer and their role in therapeutic strategies |
Type |
A1 Journal article |
| |
Year |
2022 |
Publication |
Redox Biology |
Abbreviated Journal |
Redox Biol |
| |
Volume |
57 |
Issue |
|
Pages |
102503 |
| |
Keywords |
A1 Journal article; Plasma Lab for Applications in Sustainability and Medicine – Antwerp (PLASMANT); Center for Oncological Research (CORE) |
| |
Abstract |
Gap junctions (GJs), essential structures for cell-cell communication, are made of two hemichannels (commonly called connexons), one on each adjacent cell. Found in almost all cells, GJs play a pivotal role in many physiological and cellular processes, and have even been linked to the progression of diseases, such as cancer. Modulation of GJs is under investigation as a therapeutic strategy to kill tumor cells. Furthermore, GJs have also been studied for their key role in activating anti-cancer immunity and propagating radiation- and oxidative stress-induced cell death to neighboring cells, a process known as the bystander effect. While, gap junction (GJ)based therapeutic strategies are being developed, one major challenge has been the paradoxical role of GJs in both tumor progression and suppression, based on GJ composition, cancer factors, and tumoral context. Therefore, understanding the mechanisms of action, regulation, and the dual characteristics of GJs in cancer is critical for developing effective therapeutics. In this review, we provide an overview of the current under standing of GJs structure, function, and paradoxical pro- and anti-tumoral role in cancer. We also discuss the treatment strategies to target these GJs properties for anti-cancer responses, via modulation of GJ function. |
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Corporate Author |
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Place of Publication |
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Wos |
000871090800004 |
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 |
|
| |
ISSN |
2213-2317 |
ISBN |
|
Additional Links |
UA library record; WoS full record |
| |
Impact Factor |
11.4 |
Times cited |
|
Open Access |
OpenAccess |
| |
Notes |
We thank Coordination of Superior Level Staff Improvement (CAPES, Brazil) for the scholarship granted, and the Turing HPC infrastructure at the CalcUA core facility of the University of Antwerp, a division of the Flemish Supercomputer Center VSC, funded by the Hercules Foundation, the Flemish Government (department EWI) and the University of Antwerp, for providing the computational resources needed for running the simulations. This work was also funded in part by the funded by the Research Foundation – Flanders (FWO) and the Flemish Government. The FWO fellowships and grants that funded this work include: 12S9221N (Abraham Lin), G044420N (Abraham Lin and Annemie Bogaerts), and 1S67621N (Hanne Verswyvel). Figs. 1, 4 and 5 were created in BioRender.com. |
Approved |
Most recent IF: 11.4 |
| |
Call Number |
PLASMANT @ plasmant @c:irua:191362 |
Serial |
7112 |
| Permanent link to this record |
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| |
|
Author |
Ivanov, V.; Paunska, T.; Lazarova, S.; Bogaerts, A.; Kolev, S. |
| |
Title |
Gliding arc/glow discharge for CO2 conversion: Comparing the performance of different discharge configurations |
Type |
A1 Journal Article;CO2 conversion |
| |
Year |
2023 |
Publication |
Journal of CO2 Utilization |
Abbreviated Journal |
|
| |
Volume |
67 |
Issue |
|
Pages |
102300 |
| |
Keywords |
A1 Journal Article;CO2 conversion; CO2 dissociation; Low current gliding arc; Magnetic stabilization; Magnetically stabilized discharge; Gliding glow discharge; Plasma, laser ablation and surface modeling Antwerp (PLASMANT) ; |
| |
Abstract |
We studied the use of low current (hundreds of milliamperes) gliding arc/glow discharges for CO2 dissociation, at atmospheric pressure, in three different configurations. All of these are based on the gliding arc design with flat diverging electrodes. The discharge is mainly in the normal glow regime with contracted positive column. The CO2 gas is injected from a nozzle, at the closest separation between the electrodes. A pair of quartz glasses is placed on both sides of the electrodes, so that the gas flow is restricted to the active plasma area, between the electrodes. For two of the tested configurations, an external magnetic field was applied, to create a magnetic force, both in the direction of the gas flow, and opposite to the gas flow. In the first case, the arc is accelerated, shortening the period between ignition and extinction, while in the second case, it is stabilized (magneticallystabilized). We studied two quantities, namely the CO2 conversion and the energy efficiency of the conversion. Generally, the CO2 conversion decreases with increasing flow rate and increases with power. The energy efficiency increases with the flow rate, for all configurations. The magnetically-stabilized configuration is more stable and efficient at low gas flow rates, but has poor performance at high flow rates, while the non-stabilized configurations exhibit good conversion for a larger range of flow rates, but they are generally more unstable and less efficient. |
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Place of Publication |
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Editor |
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Language |
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Wos |
000891249700001 |
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 |
|
| |
ISSN |
2212-9820 |
ISBN |
|
Additional Links |
UA library record; WoS full record; WoS citing articles |
| |
Impact Factor |
7.7 |
Times cited |
|
Open Access |
Not_Open_Access |
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Notes |
This work was supported by the Bulgarian National Science Fund, Ministry of Education and Science, research grant KP-06-OPR 04/4 from 14.12.2018 and by the European Regional Development Fund within the Operational Programme “Science and Education for Smart Growth 2014 – 2020″ under the Project CoE “National center of mechatronics and clean technologies” BG05M2OP001-1.001-0008. |
Approved |
Most recent IF: 7.7; 2023 IF: 4.292 |
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Call Number |
PLASMANT @ plasmant @c:irua:191816 |
Serial |
7117 |
| Permanent link to this record |
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Author |
Sentürk, D.G.; De Backer, A.; Friedrich, T.; Van Aert, S. |
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Title |
Optimal experiment design for element specific atom counting using multiple annular dark field scanning transmission electron microscopy detectors |
Type |
A1 Journal article |
| |
Year |
2022 |
Publication |
Ultramicroscopy |
Abbreviated Journal |
Ultramicroscopy |
| |
Volume |
242 |
Issue |
|
Pages |
113626 |
| |
Keywords |
A1 Journal article; Electron microscopy for materials research (EMAT) |
| |
Abstract |
This paper investigates the possible benefits for counting atoms of different chemical nature when analysing multiple 2D scanning transmission electron microscopy (STEM) images resulting from independent annular dark field (ADF) detector regimes. To reach this goal, the principles of statistical detection theory are used to quantify the probability of error when determining the number of atoms in atomic columns consisting of multiple types of elements. In order to apply this theory, atom-counting is formulated as a statistical hypothesis test, where each hypothesis corresponds to a specific number of atoms of each atom type in an atomic column. The probability of error, which is limited by the unavoidable presence of electron counting noise, can then be computed from scattering-cross sections extracted from multiple ADF STEM images. Minimisation of the probability of error as a function of the inner and outer angles of a specified number of independent ADF collection regimes results in optimal experimental designs. Based on simulations of spherical Au@Ag and Au@Pt core–shell nanoparticles, we investigate how the combination of two non-overlapping detector regimes helps to improve the probability of error when unscrambling two types of atoms. In particular, the combination of a narrow low angle ADF detector with a detector formed by the remaining annular collection regime is found to be optimal. The benefit is more significant if the atomic number Z difference becomes larger. In
addition, we show the benefit of subdividing the detector regime into three collection areas for heterogeneous nanostructures based on a structure consisting of three types of elements, e.g., a mixture of Au, Ag and Al atoms. Finally, these results are compared with the probability of error resulting when one would ultimately use a pixelated 4D STEM detector and how this could help to further reduce the incident electron dose. |
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Corporate Author |
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Publisher |
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Place of Publication |
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Language |
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Wos |
000873778100001 |
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 |
|
| |
ISSN |
0304-3991 |
ISBN |
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Additional Links |
UA library record; WoS full record; WoS citing articles |
| |
Impact Factor |
2.2 |
Times cited |
|
Open Access |
OpenAccess |
| |
Notes |
This work was supported by the European Research Council (Grant 770887 PICOMETRICS to S. Van Aert and Grant 823717 ESTEEM3). The authors acknowledge financial support from the Research Foundation Flanders (FWO, Belgium) through project fundings (G.0346.21N and EOS 30489208) and a postdoctoral grant to A. De Backer. S. Van Aert acknowledges funding from the University of Antwerp Research fund (BOF).; esteem3reported; esteem3jra |
Approved |
Most recent IF: 2.2 |
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Call Number |
EMAT @ emat @c:irua:190925 |
Serial |
7118 |
| Permanent link to this record |
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Author |
Batuk, M.; Vandemeulebroucke, D.; Ceretti, M.; Paulus, W.; Hadermann, J. |
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Title |
Topotactic redox cycling in SrFeO2.5+δ explored by 3D electron diffraction in different gas atmospheres |
Type |
A1 Journal article |
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Year |
2022 |
Publication |
Journal of materials chemistry A : materials for energy and sustainability |
Abbreviated Journal |
J Mater Chem A |
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Volume |
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Issue |
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Pages |
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Keywords |
A1 Journal article; Engineering sciences. Technology; Electron microscopy for materials research (EMAT) |
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Abstract |
For oxygen conducting materials applied in solid oxide fuel cells and chemical-looping processes, the understanding of the oxygen diffusion mechanism and the materials’ crystal structure at different stages of the redox reactions is a key parameter to control their performance. In this paper we report the first ever in situ 3D ED experiment in a gas environment and with it uncover the structure evolution of SrFeO2.5 as notably different from that reported from in situ X-ray and in situ neutron powder diffraction studies in gas environments. Using in situ 3D ED on submicron sized single crystals obtained from a high quality monodomain SrFeO2.5 single crystal , we observe the transformation under O2 flow of SrFeO2.5 with an intra- and interlayer ordering of the left and right twisted (FeO4) tetrahedral chains (space group Pcmb) into consecutively SrFeO2.75 with space group Cmmm (at 350°C, 33% O2) and SrFeO3-δ with space group Pm3 ̅m (at 400°C, 100% O2). Upon reduction in H2 flow, the crystals return to the brownmillerite structure with intralayer order, but without regaining the interlayer order of the pristine crystals. Therefore, redox cycling of SrFeO2.5 crystals in O2 and H2 introduces stacking faults into the structure, resulting in an I2/m(0βγ)0s symmetry with variable β. |
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Corporate Author |
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Place of Publication |
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Language |
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Wos |
000891928400001 |
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 |
2050-7488 |
ISBN |
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Additional Links |
UA library record; WoS full record; WoS citing articles |
| |
Impact Factor |
11.9 |
Times cited |
|
Open Access |
OpenAccess |
| |
Notes |
Financial support is acknowledged from the FWO-Hercules fund I003218N ‘Infrastructure for imaging nanoscale processes in gas/vapor or liquid environments’, from the University of Antwerp through grant BOF TOP 38689. This work was supported by the European Commission Horizon 2020 NanED grant number 956099. Financial support from the French National Research Agency (ANR) through the project “Structural induced Electronic Complexity controlled by low temperature Topotactic Reaction” (SECTOR No. ANR-14-CE36- 0006-01) is gratefully acknowledged. |
Approved |
Most recent IF: 11.9 |
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Call Number |
EMAT @ emat @c:irua:192325 |
Serial |
7229 |
| Permanent link to this record |
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Author |
Verheyen, C.; van ’t Veer, K.; Snyders, R.; Bogaerts, A. |
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Title |
Atomic oxygen assisted CO2 conversion: A theoretical analysis |
Type |
A1 Journal article |
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Year |
2023 |
Publication |
Journal of CO2 utilization |
Abbreviated Journal |
|
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Volume |
67 |
Issue |
|
Pages |
102347 |
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Keywords |
A1 Journal article; Plasma Lab for Applications in Sustainability and Medicine – Antwerp (PLASMANT) |
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Abstract |
With climate change still a pressing issue, there is a great need for carbon capture, utilisation and storage (CCUS)
methods. We propose a novel concept where CO2 conversion is accomplished by O2 splitting followed by the
addition of O atoms to CO2. The latter is studied here by means of kinetic modelling. In the first instance, we
study various CO2/O ratios, and we observe an optimal CO2 conversion of around 30–40% for 50% O addition.
Gas temperature also has a large influence, with a minimum temperature of around 1000 K to a maximum of
2000 K for optimal conversion. In the second instance, we study various CO2/O/O2 ratios, due to O2 being a
starting gas. Also here we define optimal regions for CO2 conversion, which reach maximum conversion for a
CO2 fraction of 50% and an O/O2 ratio bigger than 1. Those can be expanded by heating on one hand, for low
atomic oxygen availability, and by quenching after reaction on the other hand, for cases where the temperatures
are too high. Our model predictions can serve as a guideline for experimental research in this domain. |
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Corporate Author |
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Publisher |
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Place of Publication |
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Language |
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Wos |
000908384000005 |
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 |
2212-9820 |
ISBN |
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Additional Links |
UA library record; WoS full record; WoS citing articles |
| |
Impact Factor |
7.7 |
Times cited |
|
Open Access |
OpenAccess |
| |
Notes |
This research was supported by FWO – PhD fellowship-aspirant, Grant 1184820N. We also want to thank Bj¨orn Loenders and Joachim Slaets. |
Approved |
Most recent IF: 7.7; 2023 IF: 4.292 |
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Call Number |
PLASMANT @ plasmant @c:irua:192321 |
Serial |
7231 |
| Permanent link to this record |
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Author |
Martin, J.M.L.; Taylor, P.R.; François, J.P.; Gijbels, R. |
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Title |
Ab initio study of the spectroscopy, kinetics, and thermochemistry of the BN2 molecule |
Type |
A1 Journal article |
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Year |
1994 |
Publication |
Chemical physics letters |
Abbreviated Journal |
Chem Phys Lett |
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Volume |
222 |
Issue |
|
Pages |
517-523 |
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Keywords |
A1 Journal article; Plasma Lab for Applications in Sustainability and Medicine – Antwerp (PLASMANT) |
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Abstract |
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Corporate Author |
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Thesis |
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Publisher |
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Place of Publication |
Amsterdam |
Editor |
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Language |
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Wos |
A1994NN02600016 |
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 |
0009-2614; |
ISBN |
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Additional Links |
UA library record; WoS full record; WoS citing articles |
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Impact Factor |
1.897 |
Times cited |
14 |
Open Access |
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Notes |
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Approved |
no |
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Call Number |
UA @ lucian @ c:irua:10255 |
Serial |
36 |
| Permanent link to this record |
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Author |
Martin, J.M.L.; Taylor, P.R.; François, J.P.; Gijbels, R. |
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Title |
Ab initio study of the spectroscopy, kinetics, and thermochemistry of the C2N and CN2 molecules |
Type |
A1 Journal article |
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Year |
1994 |
Publication |
Chemical physics letters |
Abbreviated Journal |
Chem Phys Lett |
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Volume |
226 |
Issue |
5/6 |
Pages |
475-483 |
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Keywords |
A1 Journal article; Plasma Lab for Applications in Sustainability and Medicine – Antwerp (PLASMANT) |
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Abstract |
Several structures and electronic states of the C2N and CN2 molecules have been studied using complete active space SCF (CASSCF), multireference configuration interaction (MRCI), and coupled cluster (CCSD(T)) methods. Both molecules are very stable. Our best computed total atomization energies SIGMAD(e) are 288.6 +/- 2 kcal/mol for CN2, and 294.1 +/- 2 kcal/mol for C2N. The CNC and CCN structures for C2N are nearly isoenergetic. CNN(3PI) lies about 30 kcal/mol above NCN(3PI(g)), but has a high barrier towards interconversion and is therefore observed experimentally. Computed harmonic frequencies for CNN are sensitive to the correlation treatment: they are reproduced well using multireference methods as well as the CCSD(T) method. High spin contamination has a detrimental effect on computed harmonic frequencies at the CCSD(T) level. |
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Corporate Author |
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Thesis |
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Publisher |
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Place of Publication |
Amsterdam |
Editor |
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Language |
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Wos |
A1994PE00500008 |
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 |
0009-2614; |
ISBN |
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Additional Links |
UA library record; WoS full record; WoS citing articles |
| |
Impact Factor |
1.897 |
Times cited |
46 |
Open Access |
|
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Notes |
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Approved |
no |
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Call Number |
UA @ lucian @ c:irua:10256 |
Serial |
37 |
| Permanent link to this record |
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Author |
De Gryse, O.; Clauws, P.; Rossou, L.; van Landuyt, J.; Vanhellemont, J. |
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Title |
Accurate infrared absorption measurement of interstitial and precipitated oxygen in p+ silicon wafers |
Type |
A1 Journal article |
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Year |
1999 |
Publication |
Microelectronic engineering |
Abbreviated Journal |
Microelectron Eng |
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Volume |
45 |
Issue |
2-3 |
Pages |
277-282 |
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Keywords |
A1 Journal article; Engineering sciences. Technology; Electron microscopy for materials research (EMAT) |
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Abstract |
A novel infrared absorption method has been developed to measure [he interstitial oxygen concentration in highly doped silicon. Thin samples of the order of 10-30 mu m are prepared in an essentially stress-free state without changing the state of the crystal. The oxygen concentration is then determined by measuring the height of the 1136-cm(-1) absorption peak due to interstitial oxygen at 5.5 K. The obtained results on as-grown samples are compared with those from gas fusion analysis. The precipitated oxygen concentration in annealed samples is also determined with the new method. It will be shown that the interstitial oxygen concentration in highly doped silicon can be determined with high accuracy and down to concentrations of 10(17) cm(-3). (C) 1999 Elsevier Science B.V. All rights reserved. |
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Corporate Author |
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Publisher |
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Place of Publication |
Amsterdam |
Editor |
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Language |
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Wos |
000081748600023 |
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 |
0167-9317; |
ISBN |
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Additional Links |
UA library record; WoS full record |
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Impact Factor |
1.806 |
Times cited |
|
Open Access |
|
| |
Notes |
Fwo-G.0051.97; Fwo-G.00117.86 |
Approved |
Most recent IF: 1.806; 1999 IF: 0.815 |
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Call Number |
UA @ lucian @ c:irua:95791 |
Serial |
47 |
| Permanent link to this record |
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Author |
Oleshko, V.P.; Gijbels, R.H.; Jacob, W.A. |
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Title |
Analytical electron microscopy of silver halide photographic systems |
Type |
A1 Journal article |
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Year |
2000 |
Publication |
Micron |
Abbreviated Journal |
Micron |
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Volume |
31 |
Issue |
|
Pages |
55-95 |
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Keywords |
A1 Journal article; Plasma Lab for Applications in Sustainability and Medicine – Antwerp (PLASMANT) |
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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 |
000083352100007 |
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 |
0968-4328; |
ISBN |
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Additional Links |
UA library record; WoS full record; WoS citing articles |
| |
Impact Factor |
1.98 |
Times cited |
8 |
Open Access |
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Notes |
|
Approved |
Most recent IF: 1.98; 2000 IF: 1.324 |
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Call Number |
UA @ lucian @ c:irua:34068 |
Serial |
108 |
| Permanent link to this record |
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Author |
Van Tendeloo, G.; Lebedev, O.I.; Amelinckx, S. |
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Title |
Atomic and microstructure of CMR materials |
Type |
A1 Journal article |
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Year |
2000 |
Publication |
Journal of magnetism and magnetic materials |
Abbreviated Journal |
J Magn Magn Mater |
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Volume |
211 |
Issue |
|
Pages |
73-83 |
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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 |
Amsterdam |
Editor |
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Language |
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Wos |
000085772100013 |
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 |
|
Series Issue |
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Edition |
|
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ISSN |
0304-8853; |
ISBN |
|
Additional Links |
UA library record; WoS full record; WoS citing articles |
| |
Impact Factor |
2.63 |
Times cited |
48 |
Open Access |
|
| |
Notes |
Iuap 4-10 |
Approved |
Most recent IF: 2.63; 2000 IF: 0.996 |
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Call Number |
UA @ lucian @ c:irua:54773 |
Serial |
165 |
| Permanent link to this record |
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Author |
Giorgio, S.; Henry, C.R.; Pauwels, B.; Van Tendeloo, G. |
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Title |
Au particles supported on (110) anatase-TiO2 |
Type |
A1 Journal article |
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Year |
2001 |
Publication |
Microstructure And Processing |
Abbreviated Journal |
Mat Sci Eng A-Struct |
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Volume |
297 |
Issue |
1-2 |
Pages |
197-202 |
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Keywords |
A1 Journal article; Engineering sciences. Technology; Electron microscopy for materials research (EMAT) |
| |
Abstract |
Au particles were prepared by evaporation in ultra high vacuum at high temperature, on the surfaces of TiO2 micro-spheres with the anatase structure. The morphology and the structural deformation in Au deposits were studied by high resolution transmission electron microscopy and image simulations by the multislice technique. The particles were polyhedral, limited by (100) and (111) faces. Patches with a hexagonal lattice were found around the particles, which was interpreted as thin Au islands on the surface. In these islands the Au lattice was deformed and perfectly accommodated to the (110) surface of TiO2. (C) 2001 Elsevier Science 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 |
000166241400026 |
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 |
|
Series Issue |
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Edition |
|
| |
ISSN |
0921-5093; |
ISBN |
|
Additional Links |
UA library record; WoS full record; WoS citing articles |
| |
Impact Factor |
3.094 |
Times cited |
40 |
Open Access |
|
| |
Notes |
|
Approved |
Most recent IF: 3.094; 2001 IF: 0.978 |
| |
Call Number |
UA @ lucian @ c:irua:104204 |
Serial |
206 |
| Permanent link to this record |
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|
Author |
Schryvers, D.; Holland-Moritz, D. |
| |
Title |
Austenite and martensite microstructures in splat-cooled Ni-Al |
Type |
A1 Journal article |
| |
Year |
1998 |
Publication |
Intermetallics |
Abbreviated Journal |
Intermetallics |
| |
Volume |
6 |
Issue |
|
Pages |
427-436 |
| |
Keywords |
A1 Journal article; Electron microscopy for materials research (EMAT) |
| |
Abstract |
|
| |
Address |
|
| |
Corporate Author |
|
Thesis |
|
| |
Publisher |
|
Place of Publication |
Chicago, Ill. |
Editor |
|
| |
Language |
|
Wos |
000074235500010 |
Publication Date |
2002-07-25 |
| |
Series Editor |
|
Series Title |
|
Abbreviated Series Title |
|
| |
Series Volume |
|
Series Issue |
|
Edition |
|
| |
ISSN |
0966-9795; |
ISBN |
|
Additional Links |
UA library record; WoS full record; WoS citing articles |
| |
Impact Factor |
3.14 |
Times cited |
13 |
Open Access |
|
| |
Notes |
|
Approved |
Most recent IF: 3.14; 1998 IF: 1.785 |
| |
Call Number |
UA @ lucian @ c:irua:48365 |
Serial |
209 |
| Permanent link to this record |
| |
|
| |
|
Author |
Biró, L.P.; Khanh, N.Q.; Vértesy, Z.; Horváth, Z.E.; Osváth, Z.; Koós, A.; Gyulai, J.; Kocsonya, A.; Kónya, Z.; Zhang, X.B.; Van Tendeloo, G.; Fonseca, A.; Nagy, J.B.; |
| |
Title |
Catalyst traces and other impurities in chemically purified carbon nanotubes grown by CVD |
Type |
A1 Journal article |
| |
Year |
2002 |
Publication |
Materials science and engineering: part C: biomimetic materials
T2 – EMRS Spring Meeting, JUN 05-08, 2001, STRASBOURG, FRANCE |
Abbreviated Journal |
Mat Sci Eng C-Mater |
| |
Volume |
19 |
Issue |
1-2 |
Pages |
9-13 |
| |
Keywords |
A1 Journal article; Electron microscopy for materials research (EMAT) |
| |
Abstract |
Multiwall carbon nanotubes grown by the catalytic decomposition of acetylene over supported Co catalyst were subjected to wet and dry oxidation in order to remove the unwanted products and the catalyst traces. The effects of the purification treatment on the Co content was monitored by physical methods: Rutherford Backscattering Spectrometry (RBS). Particle Induced X-Ray Emission (PIXE) and X-Ray Fluorescence (XRF). The purified products were investigated by microscopic methods: TEM. Scanning Electron Microscopy (SEM), Energy Dispersive Spectroscopy (EDS) and STM. The KMnO4/H2SO4 aqueous oxidation procedure was found to be effective in reducing the Co content while damaging only moderately the outer wall of the nanotubes. Treatment in HNO3/H2SO4 yields a bucky-paper like product and produces the increase of the Si and S content of the sample. (C) 2002 Elsevier Science B.V. All rights reserved. |
| |
Address |
|
| |
Corporate Author |
|
Thesis |
|
| |
Publisher |
|
Place of Publication |
Lausanne |
Editor |
|
| |
Language |
|
Wos |
000173080700003 |
Publication Date |
2002-07-25 |
| |
Series Editor |
|
Series Title |
|
Abbreviated Series Title |
|
| |
Series Volume |
|
Series Issue |
|
Edition |
|
| |
ISSN |
0928-4931; |
ISBN |
|
Additional Links |
UA library record; WoS full record; WoS citing articles |
| |
Impact Factor |
4.164 |
Times cited |
36 |
Open Access |
|
| |
Notes |
|
Approved |
Most recent IF: 4.164; 2002 IF: 0.734 |
| |
Call Number |
UA @ lucian @ c:irua:102835 |
Serial |
289 |
| Permanent link to this record |
| |
|
| |
|
Author |
Blank, D.H.A.; Rijnders, A.J.H.M.; Verhoeven, M.A.J.; Bergs, R.M.H.; Rogalla, H.; Verbist, K.; Lebedev, O.; Van Tendeloo, G. |
| |
Title |
Characterisation of multilayer ramp-type REBa2Cu3O7-\delta structures by scanning probe microscopy and high-resolution electron microscopy |
Type |
A1 Journal article |
| |
Year |
1997 |
Publication |
Journal of alloys and compounds
T2 – Symposium on High Temperature Superconductor Thin Films, Growth, Mechanisms, Interfaces, Multilayers, at the 1996 Spring Meeting of the European-Materials-Society, June 04-07, 1996, Strasbourg, France |
Abbreviated Journal |
J Alloy Compd |
| |
Volume |
251 |
Issue |
1-2 |
Pages |
206-208 |
| |
Keywords |
A1 Journal article; Engineering sciences. Technology; Electron microscopy for materials research (EMAT) |
| |
Abstract |
We studied the morphology of ramps in REBa2CU3O7 (REBCO) epitaxial films on SrTiO3 substrates, fabricated by RF magnetron sputter deposition and pulsed laser deposition (PLD), by scanning probe microscopy (SPM) and high resolution electron microscopy (HREM). The ramps were fabricated by Ar ion beam etching using masks of standard photoresist and TIN. AFM-studies on ramps in sputter deposited films show a strong dependence, i.e. formation of facets and ridges, on the angle of incidence of the ion beam with respect to the substrate surface as well as the rotation angle with respect to the crystal axes of the substrate. Ramps in pulsed laser deposited films did not show this dependence, Furthermore, we studied the effect of an anneal step prior to the deposition of barrier layers (i.e. PrBa2CU3O7, SrTiO3, CeO2) on the ramp. First results show a recrystallization of the ramp surface, resulting in terraces and a non-homogeneous growth of the barrier material on top of it. The thickness variations, for thin layers of barrier material, con even become much larger than expected from the amount of deposited material and are dependent on the deposition and anneal conditions. HREM studies show a well defined interface between barrier layer and electrodes. The angle of the ramp depends on the etch rate of the mask and REBCO, and on the angle of incidence of the ion beam. TiN has a much lower etch rate compared to photoresist, resulting in an angle of the ramp comparable to the angle of incidence, resulting in a low etching rate on the ramp. These results will lead to improved electrical characteristics of ramp-type junctions. |
| |
Address |
|
| |
Corporate Author |
|
Thesis |
|
| |
Publisher |
Elsevier Science |
Place of Publication |
Lausanne |
Editor |
|
| |
Language |
|
Wos |
A1997XM34000046 |
Publication Date |
2002-07-25 |
| |
Series Editor |
|
Series Title |
|
Abbreviated Series Title |
|
| |
Series Volume |
|
Series Issue |
|
Edition |
|
| |
ISSN |
0925-8388; |
ISBN |
|
Additional Links |
UA library record; WoS full record |
| |
Impact Factor |
3.133 |
Times cited |
|
Open Access |
|
| |
Notes |
|
Approved |
Most recent IF: 3.133; 1997 IF: 1.035 |
| |
Call Number |
UA @ lucian @ c:irua:95868 |
Serial |
310 |
| Permanent link to this record |
| |
|
| |
|
Author |
Colomer, J.-F.; Benoit, J.-M.; Stephan, C.; Lefrant, S.; Van Tendeloo, G.; Nagy, J.B. |
| |
Title |
Characterization of single-wall carbon nanotubes produced by CCVD method |
Type |
A1 Journal article |
| |
Year |
2001 |
Publication |
Chemical physics letters |
Abbreviated Journal |
Chem Phys Lett |
| |
Volume |
345 |
Issue |
|
Pages |
11-17 |
| |
Keywords |
A1 Journal article; Electron microscopy for materials research (EMAT) |
| |
Abstract |
|
| |
Address |
|
| |
Corporate Author |
|
Thesis |
|
| |
Publisher |
|
Place of Publication |
Amsterdam |
Editor |
|
| |
Language |
|
Wos |
000171066300003 |
Publication Date |
2002-07-25 |
| |
Series Editor |
|
Series Title |
|
Abbreviated Series Title |
|
| |
Series Volume |
|
Series Issue |
|
Edition |
|
| |
ISSN |
0009-2614; |
ISBN |
|
Additional Links |
UA library record; WoS full record; WoS citing articles |
| |
Impact Factor |
1.815 |
Times cited |
45 |
Open Access |
|
| |
Notes |
|
Approved |
Most recent IF: 1.815; 2001 IF: 2.364 |
| |
Call Number |
UA @ lucian @ c:irua:54775 |
Serial |
332 |
| Permanent link to this record |
| |
|
| |
|
Author |
Peeters, F.M.; Partoens, B.; Schweigert, V.A.; Goldoni, G. |
| |
Title |
Classical molecules in two dimensions |
Type |
A1 Journal article |
| |
Year |
1997 |
Publication |
Physica: E |
Abbreviated Journal |
Physica E |
| |
Volume |
1 |
Issue |
|
Pages |
219-225 |
| |
Keywords |
A1 Journal article; Condensed Matter Theory (CMT) |
| |
Abstract |
|
| |
Address |
|
| |
Corporate Author |
|
Thesis |
|
| |
Publisher |
|
Place of Publication |
|
Editor |
|
| |
Language |
|
Wos |
000074364500047 |
Publication Date |
2002-07-25 |
| |
Series Editor |
|
Series Title |
|
Abbreviated Series Title |
|
| |
Series Volume |
|
Series Issue |
|
Edition |
|
| |
ISSN |
1386-9477; |
ISBN |
|
Additional Links |
UA library record; WoS full record; WoS citing articles |
| |
Impact Factor |
2.221 |
Times cited |
5 |
Open Access |
|
| |
Notes |
|
Approved |
Most recent IF: 2.221; 1997 IF: NA |
| |
Call Number |
UA @ lucian @ c:irua:19300 |
Serial |
368 |
| Permanent link to this record |
| |
|
| |
|
Author |
Bogaerts, A.; Gijbels, R.; Goedheer, W. |
| |
Title |
Comparison between a radio-frequency and direct current glow discharge in argon by a hybrid Monte Carlo-fluid model for electrons, argon ions and fast argon atoms |
Type |
A1 Journal article |
| |
Year |
1999 |
Publication |
Spectrochimica acta: part B : atomic spectroscopy |
Abbreviated Journal |
Spectrochim Acta B |
| |
Volume |
54 |
Issue |
9 |
Pages |
1335-1350 |
| |
Keywords |
A1 Journal article; Plasma Lab for Applications in Sustainability and Medicine – Antwerp (PLASMANT) |
| |
Abstract |
|
| |
Address |
|
| |
Corporate Author |
|
Thesis |
|
| |
Publisher |
|
Place of Publication |
Oxford |
Editor |
|
| |
Language |
|
Wos |
000082537900007 |
Publication Date |
2002-07-25 |
| |
Series Editor |
|
Series Title |
|
Abbreviated Series Title |
|
| |
Series Volume |
|
Series Issue |
|
Edition |
|
| |
ISSN |
0584-8547; |
ISBN |
|
Additional Links |
UA library record; WoS full record; WoS citing articles |
| |
Impact Factor |
3.241 |
Times cited |
11 |
Open Access |
|
| |
Notes |
|
Approved |
Most recent IF: 3.241; 1999 IF: 2.421 |
| |
Call Number |
UA @ lucian @ c:irua:24924 |
Serial |
424 |
| Permanent link to this record |
| |
|
| |
|
Author |
Bogaerts, A.; Donko, Z.; Kutasi, K.; Bano, G.; Pinhao, N.; Pinheiro, M. |
| |
Title |
Comparison of calculated and measured optical emission intensities in a direct current argon-copper glow discharge |
Type |
A1 Journal article |
| |
Year |
2000 |
Publication |
Spectrochimica acta: part B : atomic spectroscopy |
Abbreviated Journal |
Spectrochim Acta B |
| |
Volume |
55 |
Issue |
|
Pages |
1465-1479 |
| |
Keywords |
A1 Journal article; Plasma Lab for Applications in Sustainability and Medicine – Antwerp (PLASMANT) |
| |
Abstract |
|
| |
Address |
|
| |
Corporate Author |
|
Thesis |
|
| |
Publisher |
|
Place of Publication |
Oxford |
Editor |
|
| |
Language |
|
Wos |
000089748400007 |
Publication Date |
2002-07-25 |
| |
Series Editor |
|
Series Title |
|
Abbreviated Series Title |
|
| |
Series Volume |
|
Series Issue |
|
Edition |
|
| |
ISSN |
0584-8547; |
ISBN |
|
Additional Links |
UA library record; WoS full record; WoS citing articles |
| |
Impact Factor |
3.241 |
Times cited |
33 |
Open Access |
|
| |
Notes |
|
Approved |
Most recent IF: 3.241; 2000 IF: 2.608 |
| |
Call Number |
UA @ lucian @ c:irua:34144 |
Serial |
428 |
| Permanent link to this record |
| |
|
| |
|
Author |
Bogaerts, A.; Wilken, L.; Hoffmann, V.; Gijbels, R.; Wetzig, K. |
| |
Title |
Comparison of modeling calculations with experimental results for direct current glow discharge optical emission spectrometry |
Type |
A1 Journal article |
| |
Year |
2001 |
Publication |
Spectrochimica acta: part B : atomic spectroscopy |
Abbreviated Journal |
Spectrochim Acta B |
| |
Volume |
56 |
Issue |
|
Pages |
551-564 |
| |
Keywords |
A1 Journal article; Plasma Lab for Applications in Sustainability and Medicine – Antwerp (PLASMANT) |
| |
Abstract |
|
| |
Address |
|
| |
Corporate Author |
|
Thesis |
|
| |
Publisher |
|
Place of Publication |
Oxford |
Editor |
|
| |
Language |
|
Wos |
000169972200007 |
Publication Date |
2002-07-25 |
| |
Series Editor |
|
Series Title |
|
Abbreviated Series Title |
|
| |
Series Volume |
|
Series Issue |
|
Edition |
|
| |
ISSN |
0584-8547; |
ISBN |
|
Additional Links |
UA library record; WoS full record; WoS citing articles |
| |
Impact Factor |
3.241 |
Times cited |
16 |
Open Access |
|
| |
Notes |
|
Approved |
Most recent IF: 3.241; 2001 IF: 2.172 |
| |
Call Number |
UA @ lucian @ c:irua:34140 |
Serial |
430 |
| Permanent link to this record |
| |
|
| |
|
Author |
van den Broek, M.; Peeters, F.M. |
| |
Title |
Confined states in two-dimensional flat elliptic quantum dots and elliptic quantum wires |
Type |
A1 Journal article |
| |
Year |
2001 |
Publication |
Physica. E: Low-dimensional systems and nanostructures |
Abbreviated Journal |
Physica E |
| |
Volume |
11 |
Issue |
|
Pages |
345-355 |
| |
Keywords |
A1 Journal article; Condensed Matter Theory (CMT) |
| |
Abstract |
|
| |
Address |
|
| |
Corporate Author |
|
Thesis |
|
| |
Publisher |
North-Holland |
Place of Publication |
Amsterdam |
Editor |
|
| |
Language |
|
Wos |
000173201200007 |
Publication Date |
2002-07-25 |
| |
Series Editor |
|
Series Title |
|
Abbreviated Series Title |
|
| |
Series Volume |
|
Series Issue |
|
Edition |
|
| |
ISSN |
1386-9477; |
ISBN |
|
Additional Links |
UA library record; WoS full record; WoS citing articles |
| |
Impact Factor |
2.221 |
Times cited |
54 |
Open Access |
|
| |
Notes |
|
Approved |
Most recent IF: 2.221; 2001 IF: 1.009 |
| |
Call Number |
UA @ lucian @ c:irua:37307 |
Serial |
486 |
| Permanent link to this record |
| |
|
| |
|
Author |
Willems, I.; Konya, Z.; Colomer, J.F.; Van Tendeloo, G.; Nagaraju, N.; Fonseca, A.; Nagy, J.B. |
| |
Title |
Control of the outer diameter of thin carbon nanotubes synthesized by catalytic decomposition of hydrocarbons |
Type |
A1 Journal article |
| |
Year |
2000 |
Publication |
Chemical physics letters |
Abbreviated Journal |
Chem Phys Lett |
| |
Volume |
317 |
Issue |
1-2 |
Pages |
71-76 |
| |
Keywords |
A1 Journal article; Electron microscopy for materials research (EMAT) |
| |
Abstract |
Multi-wall carbon nanotubes have been produced by the catalytic decomposition of acetylene. Go-Mo, Co-V and Co-Fe mixtures supported either on zeolite or corundum alumina were used as catalysts. When Fe or V is added to Co, the carbon deposit increases. The nanotubes were characterized by both low and high resolution TEM. From histograms representing the outer diameter distributions, it is clear that the outer diameter of the nanotubes can be controlled by choosing the appropriate catalyst. (C) 2000 Elsevier Science B.V. All rights reserved. |
| |
Address |
|
| |
Corporate Author |
|
Thesis |
|
| |
Publisher |
|
Place of Publication |
Amsterdam |
Editor |
|
| |
Language |
|
Wos |
000085128300013 |
Publication Date |
2002-07-25 |
| |
Series Editor |
|
Series Title |
|
Abbreviated Series Title |
|
| |
Series Volume |
|
Series Issue |
|
Edition |
|
| |
ISSN |
0009-2614; |
ISBN |
|
Additional Links |
UA library record; WoS full record; WoS citing articles |
| |
Impact Factor |
1.815 |
Times cited |
130 |
Open Access |
|
| |
Notes |
|
Approved |
Most recent IF: 1.815; 2000 IF: 2.364 |
| |
Call Number |
UA @ lucian @ c:irua:103956 |
Serial |
499 |
| Permanent link to this record |
| |
|
| |
|
Author |
Habermeier, H.-U.; Cristiani, G.; Kremer, R.K.; Lebedev, O.; Van Tendeloo, G. |
| |
Title |
Cuprate/manganite superlattices: a model system for a bulk ferromagnetic superconductor |
Type |
A1 Journal article |
| |
Year |
2001 |
Publication |
Physica: C : superconductivity |
Abbreviated Journal |
Physica C |
| |
Volume |
364/365 |
Issue |
|
Pages |
298-304 |
| |
Keywords |
A1 Journal article; Electron microscopy for materials research (EMAT) |
| |
Abstract |
|
| |
Address |
|
| |
Corporate Author |
|
Thesis |
|
| |
Publisher |
|
Place of Publication |
Amsterdam |
Editor |
|
| |
Language |
|
Wos |
000172155700069 |
Publication Date |
2002-07-25 |
| |
Series Editor |
|
Series Title |
|
Abbreviated Series Title |
|
| |
Series Volume |
|
Series Issue |
|
Edition |
|
| |
ISSN |
0921-4534; |
ISBN |
|
Additional Links |
UA library record; WoS full record; WoS citing articles |
| |
Impact Factor |
1.404 |
Times cited |
91 |
Open Access |
|
| |
Notes |
|
Approved |
Most recent IF: 1.404; 2001 IF: 0.806 |
| |
Call Number |
UA @ lucian @ c:irua:54794 |
Serial |
591 |
| Permanent link to this record |
| |
|
| |
|
Author |
Suvorov, A.V.; Lebedev, O.I.; Suvorova, A.A.; van Landuyt, J.; Usov, I.O. |
| |
Title |
Defect characterization in high temperature implanted 6H-SiC using TEM |
Type |
A1 Journal article |
| |
Year |
1997 |
Publication |
Nuclear instruments and methods in physics research: B |
Abbreviated Journal |
Nucl Instrum Meth B |
| |
Volume |
127/128 |
Issue |
|
Pages |
347-349 |
| |
Keywords |
A1 Journal article; Electron microscopy for materials research (EMAT) |
| |
Abstract |
|
| |
Address |
|
| |
Corporate Author |
|
Thesis |
|
| |
Publisher |
|
Place of Publication |
|
Editor |
|
| |
Language |
|
Wos |
A1997XG60500078 |
Publication Date |
2002-07-25 |
| |
Series Editor |
|
Series Title |
|
Abbreviated Series Title |
|
| |
Series Volume |
|
Series Issue |
|
Edition |
|
| |
ISSN |
0168-583X; |
ISBN |
|
Additional Links |
UA library record; WoS full record; WoS citing articles |
| |
Impact Factor |
1.109 |
Times cited |
17 |
Open Access |
|
| |
Notes |
|
Approved |
Most recent IF: 1.109; 1997 IF: 1.016 |
| |
Call Number |
UA @ lucian @ c:irua:21411 |
Serial |
613 |
| Permanent link to this record |
| |
|
| |
|
Author |
van Renterghem, W.; Goessens, C.; Schryvers, D.; van Landuyt, J.; Verrept, P.; Bollen, D.; van Roost, C.; de Keyzer, R. |
| |
Title |
Defects and growth mechanisms of AgCl(100) tabular crystals |
Type |
A1 Journal article |
| |
Year |
1998 |
Publication |
Journal of crystal growth |
Abbreviated Journal |
J Cryst Growth |
| |
Volume |
187 |
Issue |
|
Pages |
410-420 |
| |
Keywords |
A1 Journal article; Electron microscopy for materials research (EMAT) |
| |
Abstract |
|
| |
Address |
|
| |
Corporate Author |
|
Thesis |
|
| |
Publisher |
|
Place of Publication |
Amsterdam |
Editor |
|
| |
Language |
|
Wos |
000073710800014 |
Publication Date |
2002-07-25 |
| |
Series Editor |
|
Series Title |
|
Abbreviated Series Title |
|
| |
Series Volume |
|
Series Issue |
|
Edition |
|
| |
ISSN |
0022-0248; |
ISBN |
|
Additional Links |
UA library record; WoS full record; WoS citing articles |
| |
Impact Factor |
1.751 |
Times cited |
8 |
Open Access |
|
| |
Notes |
|
Approved |
Most recent IF: 1.751; 1998 IF: 1.307 |
| |
Call Number |
UA @ lucian @ c:irua:29675 |
Serial |
625 |
| Permanent link to this record |
| |
|
| |
|
Author |
Bogaerts, A.; Gijbels, R. |
| |
Title |
Description of the argon-excited levels in a radio-frequency and direct current glow discharge |
Type |
A1 Journal article |
| |
Year |
2000 |
Publication |
Spectrochimica acta: part B : atomic spectroscopy |
Abbreviated Journal |
Spectrochim Acta B |
| |
Volume |
55 |
Issue |
|
Pages |
263-278 |
| |
Keywords |
A1 Journal article; Plasma Lab for Applications in Sustainability and Medicine – Antwerp (PLASMANT) |
| |
Abstract |
|
| |
Address |
|
| |
Corporate Author |
|
Thesis |
|
| |
Publisher |
|
Place of Publication |
Oxford |
Editor |
|
| |
Language |
|
Wos |
000086340100005 |
Publication Date |
2002-07-25 |
| |
Series Editor |
|
Series Title |
|
Abbreviated Series Title |
|
| |
Series Volume |
|
Series Issue |
|
Edition |
|
| |
ISSN |
0584-8547; |
ISBN |
|
Additional Links |
UA library record; WoS full record; WoS citing articles |
| |
Impact Factor |
3.241 |
Times cited |
24 |
Open Access |
|
| |
Notes |
|
Approved |
Most recent IF: 3.241; 2000 IF: 2.608 |
| |
Call Number |
UA @ lucian @ c:irua:28324 |
Serial |
653 |
| Permanent link to this record |
| |
|
| |
|
Author |
Cidu, R.; Fanfani, L.; Shaud, P.; Edmunds, W.M.; Van 't dack, L.; Gijbels, R. |
| |
Title |
Determination of gold at the ultratrace level in natural waters |
Type |
A1 Journal article |
| |
Year |
1994 |
Publication |
Analytica chimica acta |
Abbreviated Journal |
Anal Chim Acta |
| |
Volume |
296 |
Issue |
|
Pages |
295-304 |
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Keywords |
A1 Journal article; Plasma Lab for Applications in Sustainability and Medicine – Antwerp (PLASMANT) |
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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 |
Amsterdam |
Editor |
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Language |
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Wos |
A1994PM14000010 |
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 |
| |
Impact Factor |
4.513 |
Times cited |
20 |
Open Access |
|
| |
Notes |
|
Approved |
no |
| |
Call Number |
UA @ lucian @ c:irua:10252 |
Serial |
668 |
| Permanent link to this record |
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Author |
Shazali, I.; Van 't dack, L.; Gijbels, R. |
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Title |
Determination of precious metals in ores and rocks by thermal neutron activation/\gamma-spectrometry after preconcentration by nickel sulphide fire assay and coprecipitation with tellurium |
Type |
A1 Journal article |
| |
Year |
1987 |
Publication |
Analytica chimica acta |
Abbreviated Journal |
Anal Chim Acta |
| |
Volume |
196 |
Issue |
|
Pages |
49-58 |
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Keywords |
A1 Journal article; Plasma Lab for Applications in Sustainability and Medicine – Antwerp (PLASMANT) |
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Abstract |
The six platinum group elements (Ru, Rh, Pd, Os, Ir and Pt) can be determined in geological samples down to the μg kg−1 level, by using nickel sulphide fire assay and neutron activation of the residue ramaining after dissolution of the nickel sulphide button in concentrated hydrochloric acid. Losses for the platinum group elements during this dissolution step are usually insignificant, except when the elements are present at ultra-trace levels. The can be recovered from the filtrate by coprecipitation with tellerium. The latter approach also permits determination of silver, which is significantly lost in the hydrochloric acid treatment (recovery <98% instead of typically ≈ 10%). The coprecipitation with tellurium considerably improves the results for gold (recovery ≈ 95% instead of typically 75%). |
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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 |
Amsterdam |
Editor |
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Language |
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Wos |
A1987K058900006 |
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 |
| |
Impact Factor |
4.513 |
Times cited |
49 |
Open Access |
|
| |
Notes |
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Approved |
no |
| |
Call Number |
UA @ lucian @ c:irua:111403 |
Serial |
670 |
| Permanent link to this record |
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Author |
Gijbels, R.; Dams, R. |
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Title |
Determination of silicon in natural and pollution aerosols by 14-MeV neutron activation analysis |
Type |
A1 Journal article |
| |
Year |
1973 |
Publication |
Analytica chimica acta |
Abbreviated Journal |
Anal Chim Acta |
| |
Volume |
63 |
Issue |
2 |
Pages |
369-381 |
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Keywords |
A1 Journal article; Plasma Lab for Applications in Sustainability and Medicine – Antwerp (PLASMANT) |
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Abstract |
The determination of silicon via the 28Si(n,p)28 Al reaction by means of 14-MeV neutrons is applied to the analysis of pollution and natural aerosols. A Whatman 41 filter (40 cm2) on which airborne particulate material has been collected is compressed into a 3 × 12.7 mm pellet. Standards are prepared in the same way from clean filters spiked with a silicate solution. After a 50-s irradiation and a 75-s decay time, the sample is counted for 2 min with 5 × 5 NaI(Tl) well detector. The 1.779-MeV photopeak of 28Al is measured with a single channel sealer chain or with a multichannel analyser. The reproducibility, sensitivity and liability to interference from other elements were investigated for both counting systems. The homogeneity of the pellets and the filters was checked. The overall precision of one single-channel determination was estimated to be 3.5% after a 24-h high-volume sampling time. Samples collected in urban, industrial and remote areas with concentrations ranging from 0.05 to 15 μg Si m-3 air were analysed and the results are discussed. |
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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 |
Amsterdam |
Editor |
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Language |
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Wos |
A1973O944700013 |
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 |
| |
Impact Factor |
4.513 |
Times cited |
16 |
Open Access |
|
| |
Notes |
|
Approved |
no |
| |
Call Number |
UA @ lucian @ c:irua:116365 |
Serial |
672 |
| Permanent link to this record |
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Author |
van Grieken, R.; Gijbels, R.; Speecke, A.; Hoste, J. |
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Title |
The determination of silicon in steel by 14-mev neutron activation analysis |
Type |
A1 Journal article |
| |
Year |
1968 |
Publication |
Analytica chimica acta |
Abbreviated Journal |
Anal Chim Acta |
| |
Volume |
43 |
Issue |
|
Pages |
199-209 |
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Keywords |
A1 Journal article; Plasma Lab for Applications in Sustainability and Medicine – Antwerp (PLASMANT); AXES (Antwerp X-ray Analysis, Electrochemistry and Speciation) |
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Abstract |
A fast (25 min) non-destructive determination of silicon in steel by 14-MeV neutron activation is described. The 1.78-MeV 28Al activity, induced by the reaction 28Si(n,p)28Al, is counted on a NaI(Tl) detector. An oxygen flux monitor is used to normalise to the same neutron flux. Two methods are described to correct for the 56Mn activity (2.58 h), induced into the iron matrix via 56Fe(n,p)56Mn. Nuclear interferences of phosphorus and aluminium have been examined. Special attention has been paid to stainless steels. A sensitivity of 0.02 to 0.05% of silicon is obtained. The precision is 2 to 3% for steels containing above 1% silicon, and 7% for 0.1% of silicon. |
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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 |
Amsterdam |
Editor |
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Language |
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Wos |
A1968C007600004 |
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 |
|
Additional Links |
UA library record; WoS full record; WoS citing articles |
| |
Impact Factor |
4.513 |
Times cited |
19 |
Open Access |
|
| |
Notes |
|
Approved |
no |
| |
Call Number |
UA @ lucian @ c:irua:116357 |
Serial |
673 |
| Permanent link to this record |
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|
| |
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Author |
den Dekker, A.J.; Van Aert, S.; van Dyck, D.; van den Bos, A.; Geuens, P. |
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Title |
Does a monochromator improve the precision in quantitative HRTEM? |
Type |
A1 Journal article |
| |
Year |
2001 |
Publication |
Ultramicroscopy |
Abbreviated Journal |
Ultramicroscopy |
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Volume |
89 |
Issue |
|
Pages |
275-290 |
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Keywords |
A1 Journal article; Electron microscopy for materials research (EMAT); Vision lab |
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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 |
Amsterdam |
Editor |
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Language |
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Wos |
000172667000004 |
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 |
|
Series Issue |
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Edition |
|
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ISSN |
0304-3991; |
ISBN |
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Additional Links |
UA library record; WoS full record; WoS citing articles |
| |
Impact Factor |
2.843 |
Times cited |
22 |
Open Access |
|
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Notes |
|
Approved |
Most recent IF: 2.843; 2001 IF: 1.890 |
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Call Number |
UA @ lucian @ c:irua:47518 |
Serial |
746 |
| Permanent link to this record |
