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| Author | Van Grieken, R.; Worobiec, A. | ||||
| Title | X-ray spectrometry for preventive conservation of cultural heritage | Type | A1 Journal article | ||
| Year | 2011 | Publication  |
Pramåna: a journal of physics | Abbreviated Journal | |
| Volume | 72 | Issue | 2 | Pages | 191-200 |
| Keywords | A1 Journal article; AXES (Antwerp X-ray Analysis, Electrochemistry and Speciation); Laboratory Experimental Medicine and Pediatrics (LEMP) | ||||
| Abstract | Analytical chemistry does play a key role in the chemical characterization of the environment and it appears that X-ray spectrometry, in its many forms, is one of the most relevant analytical techniques in preventive conservation, as it is in cultural heritage research in general. X-ray spectrometry has indeed been the method of choice for the characterization of the inorganic composition of atmospheric aerosols, for a long time. We have, over the last decade, intensively used various forms of X-ray spectrometry, viz., mostly energy-dispersive X-ray fluorescence, e.g. with polarized high-energy beam excitation, and automated electron probe X-ray microanalysis, together with other techniques, to identify particle types and their sources in indoor environments, including museums, while gaseous indoor pollutants were assessed using passive diffusion samplers. In each case, both bulk aerosols and individual aerosol particles were studied. For microanalysis of single particles, we have investigated a dozen techniques, but for wide, real-life applications, automated electron probe X-ray microanalysis is the most rewarding. We have first studied atmospheric aerosols in and around the Correr Museum in Venice, many other museums in Austria, Japan and England, and in the caves with prehistoric rock paintings in Altamira, Spain. Very recently, measurements were done in the Metropolitan Museum of Art in New York and theWawel Castle in Cracow, in Italian and Polish mountain churches, in a number of museums in Belgium and the Netherlands, and in cathedrals with medieval stained glass windows. In the Correr museum, it appeared that the particles most threatening for the Bellini paintings were released by the deteriorating plaster renderings, and this could be avoided by simply improving the rendering on the museum walls. In the Wawel Castle, outdoor pollution particles, like fine soot from diesel traffic, entering via leaks in the windows and doors, and also street-deicing salts and coal burning pollution particles, brought in by visitors, mostly in winter, were found to be most worrisome. Urgent questions that are not solved at this moment pertain to the deposition processes from the atmosphere to the cultural heritage items, the critical surface interactions that take place on these items, and the establishment of suitable particle concentration standards. | ||||
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| Corporate Author | Thesis | ||||
| Publisher | Place of Publication | Editor | |||
| Language | Wos | 000288861000002 | Publication Date | 2011-05-20 | |
| Series Editor | Series Title | Abbreviated Series Title | |||
| Series Volume | Series Issue | Edition | |||
| ISSN | 0304-4289; 0973-7111 | ISBN | Additional Links | UA library record; WoS full record; WoS citing articles | |
| Impact Factor | Times cited | Open Access | |||
| Notes | Approved | no | |||
| Call Number | UA @ admin @ c:irua:87025 | Serial | 8785 | ||
| Permanent link to this record | |||||
| Author | Nuyts, G.; Cagno, S.; Hellemans, K.; Veronesi, G.; Cotte, M.; Janssens, K. | ||||
| Title | Study of the early stages of Mn intrusion in corroded glass by means of combined SR FTIR/\muXRF imaging and XANES spectroscopy | Type | P1 Proceeding | ||
| Year | 2013 | Publication |
Procedia Chemistry T2 – Youth in Conservation of Cultural Heritage Conference (YOCOCU), June 18-20, 2012, University of Antwerp, Antwerp, Belgium | Abbreviated Journal | |
| Volume | Issue | Pages | 239-247 | ||
| Keywords | P1 Proceeding; Engineering sciences. Technology; AXES (Antwerp X-ray Analysis, Electrochemistry and Speciation) | ||||
| Abstract | Historical glass, especially medieval glass, can undergo weathering under the influence of time and environmental conditions. The aim of this investigation was to better understand the processes involved in this natural degradation process by studying artificially altered glass samples prepared for the use of evaluation of conservation methods. Non-durable glass sensors produced by the Fraunhofer Institute (type M1.0) were used as a starting material for artificial alteration. These were immersed in acidic (pH = 0, 2, 4) and neutral solutions (1 h – 8 h). In a second stage the glass samples were immersed in a 0.5 M MnCl2 solution (24 h, 48 h and 72 h), allowing intrusion of Mn from the solution into the gel layer. The samples were characterized at different stages with reflectance FTIR spectroscopy, mu XRF mapping and mu XANES. All measurements were carried out at ESRF, beamline ID21. Reflectance FTIR spectroscopy measurements were performed in the 800 4000 cm(-1) range. Cluster analysis of the resulting maps evidenced the rapid growth of the gel layer in strong acidic conditions. The average spectra for each cluster feature show for the original glass a strong Si-O- stretching band between 900 and 1000 cm(-1), whereas the gel layer could be identified by the increasing Si-O-Si bands around 1100 and 1250 cm(-1). mu XRF maps were recorded at different stages of the experiment at energies around the Mn-K edge (6.539 keV) and with a step size of 2 by 2 m. These confirm the leaching of K+ and Ca+2 from the glass and the intrusion of Mn from the solution. Mn was found throughout the entire gel layer, but with a concentration gradient peaking at the surface. XANES point measurements were recorded at various points where Mn was present. No spatial variation was found, but linear combination fitting of the spectra with various Mn reference compounds indicated that Mn2+Mn23+O4 is the main Mn compound in the gel layer, as was hypothesised by Watkinson et al. The standard corroded glass samples studied here can be used for the evaluation of conservation treatments in follow-up experiments. (C) 2013 The Authors. Published by Elsevier B.V. Selection and peer-review under responsibility of the IA-CS (Italian Association of Conservation Scientists) and University of Antwerp | ||||
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| Corporate Author | Thesis | ||||
| Publisher | Place of Publication | Editor | |||
| Language | Wos | 000321673900030 | Publication Date | 2013-04-17 | |
| Series Editor | Series Title | Abbreviated Series Title | |||
| Series Volume | 8 | Series Issue | Edition | ||
| ISSN | 1876-6196 | ISBN | Additional Links | UA library record; WoS full record; WoS citing articles | |
| Impact Factor | Times cited | 4 | Open Access | ||
| Notes | ; This research was supported by the Interuniversity Attraction Poles Programme – Belgian Science Policy (IUAP VI/16). The text also presents results of GOA XANES “meets ELNES” (Research Fund University of Antwerp, Belgium) and from FWO (Brussels, Belgium) projects no. G.0704.08 and G.01769.09. We gratefully acknowledge ESRF for granting beamtime (experiment EC873). ; | Approved | Most recent IF: NA | ||
| Call Number | UA @ admin @ c:irua:109871 | Serial | 5851 | ||
| Permanent link to this record | |||||
| Author | Peirs, J.; Verleysen, P.; Tirry, W.; Rabet, L.; Schryvers, D.; Degrieck, J. | ||||
| Title | Dynamic shear localization in Ti6Al4V | Type | P1 Proceeding | ||
| Year | 2011 | Publication |
Procedia Engineering T2 – 11th International Conference on the Mechanical Behavior of Materials, (ICM), 2011, Como, ITALY (ICM11) | Abbreviated Journal | |
| Volume | Issue | Pages | 1-6 | ||
| Keywords | P1 Proceeding; Electron microscopy for materials research (EMAT) | ||||
| Abstract | The alloy Ti6Al4V is known to be prone to the formation of adiabatic shear bands when dynamically loaded in shear. This causes a catastrophic decrease of the load carrying capacity and is usually followed by fracture. Although, the main mechanism is recognized to be the competition between strain hardening and thermal softening, a detailed understanding of the role of microstructural plasticity mechanisms and macroscopic loading conditions does not exist yet. To study strain localization and shear fracture, different high strain rate shear tests have been carried out: compression of hat-shaped specimens, torsion of thin walled tubular specimens and in-plane shear tests. The value of the three techniques in studying shear localization is evaluated. Post-mortem analysis of the fracture surface and the materials' microstructure is performed with optical and electron microscopy. In all cases a ductile fracture is observed. SEM and TEM techniques are used to study the local microstructure and composition in the shear band and as such the driving mechanism for the ASB formation. (C) 2011 Published by Elsevier Ltd. Selection and/or peer-review under responsibility of ICM11 | ||||
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| Publisher | Place of Publication | Editor | |||
| Language | Wos | 000300451302060 | Publication Date | 2011-06-20 | |
| Series Editor | Series Title | Abbreviated Series Title | |||
| Series Volume | 10 | Series Issue | Edition | ||
| ISSN | 1877-7058; | ISBN | Additional Links | UA library record; WoS full record; WoS citing articles | |
| Impact Factor | Times cited | 4 | Open Access | ||
| Notes | Approved | Most recent IF: NA | |||
| Call Number | UA @ lucian @ c:irua:113069 | Serial | 767 | ||
| Permanent link to this record | |||||
| Author | Friedrich, T.; Yu, C.-P.; Verbeek, J.; Pennycook, T.; Van Aert, S. | ||||
| Title | Phase retrieval from 4-dimensional electron diffraction datasets | Type | P1 Proceeding | ||
| Year | 2021 | Publication |
Proceedings T2 – IEEE International Conference on Image Processing (ICIP), SEP 19-22, 2021, Electr. network | Abbreviated Journal | |
| Volume | Issue | Pages | 3453-3457 | ||
| Keywords | P1 Proceeding; Engineering sciences. Technology; Electron microscopy for materials research (EMAT) | ||||
| Abstract | We present a computational imaging mode for large scale electron microscopy data, which retrieves a complex wave from noisy/sparse intensity recordings using a deep learning approach and subsequently reconstructs an image of the specimen from the Convolutional Neural Network (CNN) predicted exit waves. We demonstrate that an appropriate forward model in combination with open data frameworks can be used to generate large synthetic datasets for training. In combination with augmenting the data with Poisson noise corresponding to varying dose-values, we effectively eliminate overfitting issues. The U-NET[1] based architecture of the CNN is adapted to the task at hand and performs well while maintaining a relatively small size and fast performance. The validity of the approach is confirmed by comparing the reconstruction to well-established methods using simulated, as well as real electron microscopy data. The proposed method is shown to be effective particularly in the low dose range, evident by strong suppression of noise, good spatial resolution, and sensitivity to different atom types, enabling the simultaneous visualisation of light and heavy elements and making different atomic species distinguishable. Since the method acts on a very local scale and is comparatively fast it bears the potential to be used for near-real-time reconstruction during data acquisition. | ||||
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| Corporate Author | Thesis | ||||
| Publisher | Place of Publication | Editor | |||
| Language | Wos | 000819455103114 | Publication Date | 2021-08-23 | |
| Series Editor | Series Title | Abbreviated Series Title | |||
| Series Volume | Series Issue | Edition | |||
| ISSN | 978-1-6654-4115-5 | ISBN | Additional Links | UA library record; WoS full record; WoS citing articles | |
| Impact Factor | Times cited | Open Access | OpenAccess | ||
| Notes | Approved | Most recent IF: NA | |||
| Call Number | UA @ admin @ c:irua:189462 | Serial | 7089 | ||
| Permanent link to this record | |||||
| Author | Janssens, K.; Adams, F.; Rivers, M.L.; Jones, K.W. | ||||
| Title | Analysis of individual microscopic particles by means of synchrotron radiation induced X-ray micro fluorescence | Type | P3 Proceeding | ||
| Year | 1992 | Publication |
Proceedings 27th MAS | Abbreviated Journal | |
| Volume | Issue | Pages | |||
| Keywords | P3 Proceeding; AXES (Antwerp X-ray Analysis, Electrochemistry and Speciation) | ||||
| Abstract | |||||
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| Corporate Author | Thesis | ||||
| Publisher | Place of Publication | Editor | |||
| Language | Wos | Publication Date | |||
| Series Editor | Series Title | Abbreviated Series Title | |||
| Series Volume | Series Issue | Edition | |||
| ISSN | ISBN | Additional Links | UA library record | ||
| Impact Factor | Times cited | Open Access | |||
| Notes | Approved | no | |||
| Call Number | UA @ admin @ c:irua:2812 | Serial | 5468 | ||
| Permanent link to this record | |||||
| Author | Cholewa, M.; Legge, G.J.F.; Eeckhaoudt, S.; Van Grieken, R. | ||||
| Title | A study of aluminium-exposed fish using a scanning proton microprobe | Type | P3 Proceeding | ||
| Year | 1994 | Publication |
Proceedings of the Australian Conference on Nuclear Techniques of Analysis | Abbreviated Journal | |
| Volume | Issue | Pages | |||
| Keywords | P3 Proceeding; AXES (Antwerp X-ray Analysis, Electrochemistry and Speciation) | ||||
| Abstract | |||||
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| Publisher | Place of Publication | Editor | |||
| Language | Wos | Publication Date | |||
| Series Editor | Series Title | Abbreviated Series Title | |||
| Series Volume | Series Issue | Edition | |||
| ISSN | ISBN | Additional Links | UA library record | ||
| Impact Factor | Times cited | Open Access | |||
| Notes | Approved | no | |||
| Call Number | UA @ admin @ c:irua:9517 | Serial | 8594 | ||
| Permanent link to this record | |||||
| Author | Van Grieken, R.; Torfs, K. | ||||
| Title | Micro- and trace analysis of ambient particles, runoff water and crusts to evaluate environmental effects on monument | Type | P3 Proceeding | ||
| Year | 1996 | Publication |
Proceedings of the EC Workshop on Non-Destructive Testing to Evaluate Damage due to Environmental Effects on Historic Monuments | Abbreviated Journal | |
| Volume | Issue | Pages | |||
| Keywords | P3 Proceeding; AXES (Antwerp X-ray Analysis, Electrochemistry and Speciation) | ||||
| Abstract | |||||
| Address | |||||
| Corporate Author | Thesis | ||||
| Publisher | Place of Publication | Editor | |||
| Language | Wos | Publication Date | |||
| Series Editor | Series Title | Abbreviated Series Title | |||
| Series Volume | Series Issue | Edition | |||
| ISSN | ISBN | Additional Links | UA library record | ||
| Impact Factor | Times cited | Open Access | |||
| Notes | Approved | no | |||
| Call Number | UA @ admin @ c:irua:14660 | Serial | 8230 | ||
| Permanent link to this record | |||||
| Author | Struyf, H.; van Roy, W.; Van Vaeck, L.; Van Grieken, R.; Caravatti, P. | ||||
| Title | The feasibility of Fourier transform laser microprobe mass spectrometry for applications of local and surface analysis | Type | P3 Proceeding | ||
| Year | 1994 | Publication |
Proceedings of the European FTMS Workshop | Abbreviated Journal | |
| Volume | Issue | Pages | |||
| Keywords | P3 Proceeding; AXES (Antwerp X-ray Analysis, Electrochemistry and Speciation) | ||||
| Abstract | |||||
| Address | |||||
| Corporate Author | Thesis | ||||
| Publisher | Place of Publication | Editor | |||
| Language | Wos | Publication Date | |||
| Series Editor | Series Title | Abbreviated Series Title | |||
| Series Volume | Series Issue | Edition | |||
| ISSN | ISBN | Additional Links | UA library record | ||
| Impact Factor | Times cited | Open Access | |||
| Notes | Approved | no | |||
| Call Number | UA @ admin @ c:irua:9520 | Serial | 7961 | ||
| Permanent link to this record | |||||
| Author | Ameloot, P.C.; Vandeputte, D.F.; Van Grieken, R.E.; Coomans, D. | ||||
| Title | Localization of lead in cultured tooth germs by laser microprobe micro-analysis | Type | A3 Journal article | ||
| Year | 1987 | Publication |
Proceedings of the Finnish Dental Society | Abbreviated Journal | |
| Volume | 83 | Issue | Pages | 225-236 | |
| Keywords | A3 Journal article; AXES (Antwerp X-ray Analysis, Electrochemistry and Speciation) | ||||
| Abstract | |||||
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| Corporate Author | Thesis | ||||
| Publisher | Place of Publication | Editor | |||
| Language | Wos | Publication Date | |||
| Series Editor | Series Title | Abbreviated Series Title | |||
| Series Volume | Series Issue | Edition | |||
| ISSN | 0039-551x | ISBN | Additional Links | UA library record | |
| Impact Factor | Times cited | Open Access | |||
| Notes | Approved | no | |||
| Call Number | UA @ admin @ c:irua:116799 | Serial | 8183 | ||
| Permanent link to this record | |||||
| Author | Reyntjens, P.; Van de Put, M.; Vandenberghe, W.G.; Sorée, B. | ||||
| Title | Ultrascaled graphene-capped interconnects : a quantum mechanical study | Type | P1 Proceeding | ||
| Year | 2023 | Publication |
Proceedings of the IEEE ... International Interconnect Technology Conference T2 – IEEE International Interconnect Technology Conference (IITC) / IEEE, Materials for Advanced Metallization Conference (MAM), MAY 22-25, 2023, Dresden, Germany | Abbreviated Journal | |
| Volume | Issue | Pages | 1-3 | ||
| Keywords | P1 Proceeding; Condensed Matter Theory (CMT) | ||||
| Abstract | In this theoretical study, we assess the impact of a graphene capping layer on the resistivity of defective, extremely scaled interconnects. We investigate the effect of graphene capping on the electronic transport in ultrascaled interconnects, in the presence of grain boundary defects in the metal layer. We compare the results obtained using our quantum mechanical model to a simple parallel-conductor model and find that the parallel-conductor model does not capture the effect of the graphene cap correctly. At 0.5 nm metal thickness, the parallel-conductor model underestimates the conductivity by 3.0% to 4.0% for single-sided and double sided graphene capping, respectively. | ||||
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| Corporate Author | Thesis | ||||
| Publisher | Place of Publication | Editor | |||
| Language | Wos | 001027381700006 | Publication Date | 2023-06-24 | |
| Series Editor | Series Title | Abbreviated Series Title | |||
| Series Volume | Series Issue | Edition | |||
| ISSN | 979-83-503-1097-9 | ISBN | Additional Links | UA library record; WoS full record | |
| Impact Factor | Times cited | Open Access | Not_Open_Access | ||
| Notes | Approved | Most recent IF: NA | |||
| Call Number | UA @ admin @ c:irua:198343 | Serial | 8949 | ||
| Permanent link to this record | |||||
| Author | Adelmann, C.; Sankaran, K.; Dutta, S.; Gupta, A.; Kundu, S.; Jamieson, G.; Moors, K.; Pinna, N.; Ciofi, I.; Van Elshocht, S.; Bommels, J.; Boccardi, G.; Wilson, C.J.; Pourtois, G.; Tokei, Z. | ||||
| Title | Alternative Metals: from ab initio Screening to Calibrated Narrow Line Models | Type | P1 Proceeding | ||
| Year | 2018 | Publication |
Proceedings of the IEEE ... International Interconnect Technology Conference T2 – IEEE International Interconnect Technology Conference (IITC), JUN 04-07, 2018, Santa Clara, CA | Abbreviated Journal | |
| Volume | Issue | Pages | 154-156 | ||
| Keywords | P1 Proceeding; Plasma Lab for Applications in Sustainability and Medicine – Antwerp (PLASMANT) | ||||
| Abstract | We discuss the selection and assessment of alternative metals by a combination of ab initio computation of electronic properties, experimental resistivity assessments, and calibrated line resistance models. Pt-group metals as well as Nb are identified as the most promising elements, with Ru showing the best combination of material properties and process maturity. An experimental assessment of the resistivity of Ru, Ir, and Co lines down to similar to 30 nm(2) is then used to devise compact models for line and via resistance that can be compared to Cu predictions. The main advantage of alternative metals originates from the possibility for barrierless metallization. | ||||
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| Publisher | Place of Publication | Editor | |||
| Language | Wos | 000468672900051 | Publication Date | 2018-09-06 | |
| Series Editor | Series Title | Abbreviated Series Title | |||
| Series Volume | Series Issue | Edition | |||
| ISSN | 978-1-5386-4337-2; 978-1-5386-4337-2 | ISBN | Additional Links | UA library record; WoS full record; WoS citing articles | |
| Impact Factor | Times cited | Open Access | |||
| Notes | Approved | no | |||
| Call Number | UA @ admin @ c:irua:160473 | Serial | 7436 | ||
| Permanent link to this record | |||||
| Author | Sankaran, K.; Moors, K.; Dutta, S.; Adelmann, C.; Tokei, Z.; Pourtois, G. | ||||
| Title | Metallic ceramics for low resitivity interconnects : an ab initio insight | Type | P1 Proceeding | ||
| Year | 2018 | Publication |
Proceedings of the IEEE ... International Interconnect Technology Conference T2 – IEEE International Interconnect Technology Conference (IITC), JUN 04-07, 2018, Santa Clara, CA | Abbreviated Journal | |
| Volume | Issue | Pages | 160-162 | ||
| Keywords | P1 Proceeding; Plasma Lab for Applications in Sustainability and Medicine – Antwerp (PLASMANT) | ||||
| Abstract | The scalability potential of low resistivity ternary metallic alloys (MAX) as an interconnect medium has been benchmarked against copper through first-principle simulations. We report that some carbon and nitrogen MAX phases have the potential to display a reduced sensitivity of their intrinsic resistivity to scaling, while showing improved electromigration properties. | ||||
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| Publisher | Place of Publication | Editor | |||
| Language | Wos | 000468672900053 | Publication Date | ||
| Series Editor | Series Title | Abbreviated Series Title | |||
| Series Volume | Series Issue | Edition | |||
| ISSN | 978-1-5386-4337-2; 978-1-5386-4337-2 | ISBN | Additional Links | UA library record; WoS full record; WoS citing articles | |
| Impact Factor | Times cited | Open Access | |||
| Notes | Approved | no | |||
| Call Number | UA @ admin @ c:irua:160474 | Serial | 8219 | ||
| Permanent link to this record | |||||
| Author | Subramanian, V.; Van 't dack, L.; Van Grieken, R. | ||||
| Title | Preliminary studies on the geochemistry of the Cauvery river basin | Type | A1 Journal article | ||
| Year | 1985 | Publication |
Proceedings of the Indian Academy of Sciences: earth and planetary sciences | Abbreviated Journal | |
| Volume | 94 | Issue | 2 | Pages | 99-110 |
| Keywords | A1 Journal article; AXES (Antwerp X-ray Analysis, Electrochemistry and Speciation) | ||||
| Abstract | Samples of water and sediments were collected over a three year period from the entire region of Cauvery river basin excluding the estuary. On the basis of our observations, we have calculated the average composition of the Cauvery river at several locations from the catchment to the river mouth, the downstream profile of sediment load, annual erosion rates, solute and sediment fluxes and have predicted on long term changes. The sediment chemistry was determined by x-ray fluorescence (xrf) technique, and calculated mean compositions of the Cauvery and its tributary bed and the suspended sediment were compared to those of world average river sediments. Downstream profiles of some of the elements appear to be controlled by size and mineralogical characteristics besides local factors specific to the location of the samples. Interelemental relationships indicated good correlation among the transition elements indicating their co-genetic behaviour within the drainage basin. | ||||
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| Language | Wos | A1985ARL3300004 | Publication Date | 2010-08-25 | |
| Series Editor | Series Title | Abbreviated Series Title | |||
| Series Volume | Series Issue | Edition | |||
| ISSN | 0253-4126 | ISBN | Additional Links | UA library record; WoS full record; WoS citing articles | |
| Impact Factor | Times cited | Open Access | |||
| Notes | Approved | no | |||
| Call Number | UA @ admin @ c:irua:111503 | Serial | 8410 | ||
| Permanent link to this record | |||||
| Author | Schryvers, D.; van Landuyt, J.T. | ||||
| Title | Electron microscopy study of twin sequences and branching in Ni66Al34 3r martensite | Type | P1 Proceeding | ||
| Year | 1993 | Publication |
Proceedings Of The International Conference On Martensitic Transformations (icomat-92) | Abbreviated Journal | |
| Volume | Issue | Pages | 263-268 | ||
| Keywords | P1 Proceeding; Engineering sciences. Technology; Electron microscopy for materials research (EMAT) | ||||
| Abstract | |||||
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| Publisher | Place of Publication | Editor | |||
| Language | Wos | A1993BD05K00039 | Publication Date | 0000-00-00 | |
| Series Editor | Series Title | Abbreviated Series Title | |||
| Series Volume | Series Issue | Edition | |||
| ISSN | ISBN | Additional Links | UA library record; WoS full record; WoS citing articles | ||
| Impact Factor | Times cited | 1 | Open Access | ||
| Notes | Approved | no | |||
| Call Number | UA @ lucian @ c:irua:104492 | Serial | 975 | ||
| Permanent link to this record | |||||
| Author | Xu, W.; Leadley, D.R.; Peeters, F.M.; Devreese, J.T.; Nicholas, R.J.; Harris, J.J.; Foxon, C.T. | ||||
| Title | Destruction of magnetophonon resonance in high mobility heterojunctions from competition between elastic and inelastic scattering | Type | P3 Proceeding | ||
| Year | 1994 | Publication |
Proceedings of the International Conference on the Physics of Semiconductors | Abbreviated Journal | |
| Volume | 22 | Issue | Pages | 839-842 | |
| Keywords | P3 Proceeding; Condensed Matter Theory (CMT); Theory of quantum systems and complex systems | ||||
| Abstract | |||||
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| Publisher | Place of Publication | Editor | |||
| Language | Wos | Publication Date | 0000-00-00 | ||
| Series Editor | Series Title | Abbreviated Series Title | |||
| Series Volume | Series Issue | Edition | |||
| ISSN | ISBN | Additional Links | UA library record | ||
| Impact Factor | Times cited | Open Access | |||
| Notes | Approved | no | |||
| Call Number | UA @ lucian @ c:irua:9284 | Serial | 665 | ||
| Permanent link to this record | |||||
| Author | Shi, J.M.; Peeters, F.M.; Devreese, J.T.; Cheng, J.-P.; Kono, J.; McCombe, B.D. | ||||
| Title | Effects of confinement in strongly-coupled superlattices on impurity bound magneto-polarons | Type | P3 Proceeding | ||
| Year | 1994 | Publication |
Proceedings of the International Conference on the Physics of Semiconductors | Abbreviated Journal | |
| Volume | 22 | Issue | Pages | 2267-2270 | |
| Keywords | P3 Proceeding; Condensed Matter Theory (CMT); Theory of quantum systems and complex systems | ||||
| Abstract | |||||
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| Publisher | Place of Publication | Editor | |||
| Language | Wos | Publication Date | 0000-00-00 | ||
| Series Editor | Series Title | Abbreviated Series Title | |||
| Series Volume | Series Issue | Edition | |||
| ISSN | ISBN | Additional Links | UA library record | ||
| Impact Factor | Times cited | Open Access | |||
| Notes | Approved | no | |||
| Call Number | UA @ lucian @ c:irua:9285 | Serial | 858 | ||
| Permanent link to this record | |||||
| Author | Hai, G.Q.; Studart, N.; Peeters, F.M.; Devreese, J.T.; Koenraad, P.M.; van de Stadt, A.F.W.; Wolter, J.H. | ||||
| Title | Electron mobility in Si delta-doped GaAs | Type | P3 Proceeding | ||
| Year | 1994 | Publication |
Proceedings of the International Conference on the Physics of Semiconductors | Abbreviated Journal | |
| Volume | 22 | Issue | Pages | 823-826 | |
| Keywords | P3 Proceeding; Condensed Matter Theory (CMT); Theory of quantum systems and complex systems | ||||
| Abstract | |||||
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| Publisher | Place of Publication | Editor | |||
| Language | Wos | Publication Date | 0000-00-00 | ||
| Series Editor | Series Title | Abbreviated Series Title | |||
| Series Volume | Series Issue | Edition | |||
| ISSN | ISBN | Additional Links | UA library record | ||
| Impact Factor | Times cited | Open Access | |||
| Notes | Approved | no | |||
| Call Number | UA @ lucian @ c:irua:9283 | Serial | 979 | ||
| Permanent link to this record | |||||
| Author | Tian, H.; Schryvers, D.; Claeys, P. | ||||
| Title | Nanodiamonds do not provide unique evidence for a Younger Dryas impact | Type | A1 Journal article | ||
| Year | 2011 | Publication |
Proceedings of the National Academy of Sciences of the United States of America | Abbreviated Journal | P Natl Acad Sci Usa |
| Volume | 108 | Issue | 1 | Pages | 40-44 |
| Keywords | A1 Journal article; Electron microscopy for materials research (EMAT) | ||||
| Abstract | Microstructural, δ13C isotope and C/N ratio investigations were conducted on excavated material from the black Younger Dryas boundary in Lommel, Belgium, aiming for a characterisation of the carbon content and structures. Cubic diamond nanoparticles are found in large numbers. The larger ones with diameters around or above 10 nm often exhibit single or multiple twins. The smaller ones around 5 nm in diameter are mostly defect-free. Also larger flake-like particles, around 100 nm in lateral dimension, with a cubic diamond structure are observed as well as large carbon onion structures. The combination of these characteristics does not yield unique evidence for an exogenic impact related to the investigated layer. | ||||
| Address | |||||
| Corporate Author | Thesis | ||||
| Publisher | Place of Publication | Washington, D.C. | Editor | ||
| Language | Wos | 000285915000012 | Publication Date | 2010-12-21 | |
| Series Editor | Series Title | Abbreviated Series Title | |||
| Series Volume | Series Issue | Edition | |||
| ISSN | 0027-8424;1091-6490; | ISBN | Additional Links | UA library record; WoS full record; WoS citing articles | |
| Impact Factor | 9.661 | Times cited | 32 | Open Access | |
| Notes | Approved | Most recent IF: 9.661; 2011 IF: 9.681 | |||
| Call Number | UA @ lucian @ c:irua:88733 | Serial | 2254 | ||
| Permanent link to this record | |||||
| Author | Kumar, J.; Eraña, H.; López-Martínez, E.; Claes, N.; Martín, V.F.; Solís, D.M.; Bals, S.; Cortajarena, A.L.; Castilla, J.; Liz-Marzán, L.M. | ||||
| Title | Detection of amyloid fibrils in Parkinson’s disease using plasmonic chirality | Type | A1 Journal article | ||
| Year | 2018 | Publication |
Proceedings of the National Academy of Sciences of the United States of America | Abbreviated Journal | P Natl Acad Sci Usa |
| Volume | 115 | Issue | 115 | Pages | 3225-3230 |
| Keywords | A1 Journal article; Engineering sciences. Technology; Electron microscopy for materials research (EMAT) | ||||
| Abstract | Amyloid fibrils, which are closely associated with various neurodegenerative diseases, are the final products in many protein aggregation pathways. The identification of fibrils at low concentration is, therefore, pivotal in disease diagnosis and development of therapeutic strategies. We report a methodology for the specific identification of amyloid fibrils using chiroptical effects in plasmonic nanoparticles. The formation of amyloid fibrils based on α-synuclein was probed using gold nanorods, which showed no apparent interaction with monomeric proteins but effective adsorption onto fibril structures via noncovalent interactions. The amyloid structure drives a helical nanorod arrangement, resulting in intense optical activity at the surface plasmon resonance wavelengths. This sensing technique was successfully applied to human brain homogenates of patients affected by Parkinson’s disease, wherein protein fibrils related to the disease were identified through chiral signals from Au nanorods in the visible and near IR, whereas healthy brain samples did not exhibit any meaningful optical activity. The technique was additionally extended to the specific detection of infectious amyloids formed by prion proteins, thereby confirming the wide potential of the technique. The intense chiral response driven by strong dipolar coupling in helical Au nanorod arrangements allowed us to detect amyloid fibrils down to nanomolar concentrations. |
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| Address | |||||
| Corporate Author | Thesis | ||||
| Publisher | Place of Publication | Editor | |||
| Language | Wos | 000428382400032 | Publication Date | 2018-03-12 | |
| Series Editor | Series Title | Abbreviated Series Title | |||
| Series Volume | Series Issue | Edition | |||
| ISSN | 0027-8424 | ISBN | Additional Links | UA library record; WoS full record; WoS citing articles | |
| Impact Factor | 9.661 | Times cited | 187 | Open Access | OpenAccess |
| Notes | We thank Prof. Dr. J.-P. Timmermans and the Antwerp Centre of Advanced Microscopy for providing access to the Tecnai G2 Spirit BioTWIN TEM. We also thank the Basque Biobank (Basque Foundation for Health Innovation and Research, BIOEF) for providing us with Parkinson’s disease-affected brain samples. J.K. acknowledges financial support from the European Commission under Marie Sklodowska-Curie Program H2020- MSCA-IF-2015708321. S.B. and A.L.C. acknowledge European Research Council Grants 335078 COLOURATOM and 648071 ProNANO. S.B. and L.M.L.-M. acknowledge funding from European Commission Grant EUSMI 731019. A.L.C., J.C., and L.M.L.-M. acknowledge funding from Spanish Ministry of Economy and Competitiveness (MINECO) Grants MAT2013-46101- R, AGL2015-65046-C2-1-R, and BIO2016-77367-C2-1-R. (ROMEO:yellow; preprint:; postprint:restricted ; pdfversion:restricted); saraecas; ECASSara; | Approved | Most recent IF: 9.661 | ||
| Call Number | EMAT @ emat @c:irua:150355UA @ admin @ c:irua:150355 | Serial | 4918 | ||
| Permanent link to this record | |||||
| Author | Geerlings, N.M.J.; Karman, C.; Trashin, S.; As, K.S.; Kienhuis, M.V.M.; Hidalgo-Martinez, S.; Vasquez-Cardenas, D.; Boschker, H.T.S.; De Wael, K.; Middelburg, J.J.; Polerecky, L.; Meysman, F.J.R. | ||||
| Title | Division of labor and growth during electrical cooperation in multicellular cable bacteria | Type | A1 Journal article | ||
| Year | 2020 | Publication |
Proceedings Of The National Academy Of Sciences Of The United States Of America | Abbreviated Journal | P Natl Acad Sci Usa |
| Volume | 117 | Issue | 10 | Pages | 5478-5485 |
| Keywords | A1 Journal article; Engineering sciences. Technology; AXES (Antwerp X-ray Analysis, Electrochemistry and Speciation) | ||||
| Abstract | Multicellularity is a key evolutionary innovation, leading to coordinated activity and resource sharing among cells, which generally occurs via the physical exchange of chemical compounds. However, filamentous cable bacteria display a unique metabolism in which redox transformations in distant cells are coupled via long-distance electron transport rather than an exchange of chemicals. This challenges our understanding of organismal functioning, as the link among electron transfer, metabolism, energy conservation, and filament growth in cable bacteria remains enigmatic. Here, we show that cells within individual filaments of cable bacteria display a remarkable dichotomy in biosynthesis that coincides with redox zonation. Nanoscale secondary ion mass spectrometry combined with 13 C (bicarbonate and propionate) and 15 N-ammonia isotope labeling reveals that cells performing sulfide oxidation in deeper anoxic horizons have a high assimilation rate, whereas cells performing oxygen reduction in the oxic zone show very little or no label uptake. Accordingly, oxygen reduction appears to merely function as a mechanism to quickly dispense of electrons with little to no energy conservation, while biosynthesis and growth are restricted to sulfide-respiring cells. Still, cells can immediately switch roles when redox conditions change, and show no differentiation, which suggests that the “community service” performed by the cells in the oxic zone is only temporary. Overall, our data reveal a division of labor and electrical cooperation among cells that has not been seen previously in multicellular organisms. | ||||
| Address | |||||
| Corporate Author | Thesis | ||||
| Publisher | Place of Publication | Editor | |||
| Language | Wos | 000519530400054 | Publication Date | 2020-02-25 | |
| Series Editor | Series Title | Abbreviated Series Title | |||
| Series Volume | Series Issue | Edition | |||
| ISSN | 0027-8424; 1091-6490 | ISBN | Additional Links | UA library record; WoS full record; WoS citing articles | |
| Impact Factor | 11.1 | Times cited | 6 | Open Access | |
| Notes | ; We thank Arnold van Dijk for helping with the GasBench isotope ratio mass spectrometry analysis. N.M.J.G. is the recipient of a Ph.D. scholarship for teachers from the Netherlands Organisation for Scientific Research (NWO) in the Netherlands (grant 023.005.049). K.S.A. received financial support from the Olaf Schuiling fund. F.J.R.M. was financially supported by the Research Foundation Flanders (FWO) via grant G043119N, and the Netherlands Organization for Scientific Research (VICI grant 016.VICI.170.072). J.J.M. was supported by the Ministry of Education via the Netherlands Earth System Science Centre. The NanoSIMS facility was partly supported by an NWO large infrastructure subsidy to J.J.M. (175.010.2009.011). ; | Approved | Most recent IF: 11.1; 2020 IF: 9.661 | ||
| Call Number | UA @ admin @ c:irua:166452 | Serial | 6487 | ||
| Permanent link to this record | |||||
| Author | Christiansen, T.; Cotte, M.; de Nolf, W.; Mouro, E.; Reyes-Herrera, J.; De Meyer, S.; Vanmeert, F.; Salvado, N.; Gonzalez, V.; Lindelof, P.E.; Mortensen, K.; Ryholt, K.; Janssens, K.; Larsen, S. | ||||
| Title | Insights into the composition of ancient Egyptian red and black inks on papyri achieved by synchrotron-based microanalyses | Type | A1 Journal article | ||
| Year | 2020 | Publication |
Proceedings Of The National Academy Of Sciences Of The United States Of America | Abbreviated Journal | P Natl Acad Sci Usa |
| Volume | 117 | Issue | 45 | Pages | 27825-27835 |
| Keywords | A1 Journal article; Engineering sciences. Technology; AXES (Antwerp X-ray Analysis, Electrochemistry and Speciation) | ||||
| Abstract | A hitherto unknown composition is highlighted in the red and black inks preserved on ancient Egyptian papyri from the Roman period (circa 100 to 200 CE). Synchrotron-based macro-X-ray fluo-rescence (XRF) mapping brings to light the presence of iron (Fe) and lead (Pb) compounds in the majority of the red inks inscribed on 12 papyrus fragments from the Tebtunis temple library. The iron-based compounds in the inks can be assigned to ocher, notably due to the colocalization of Fe with aluminum, and the detection of hematite (Fe2O3) by micro-X-ray diffraction. Using the same techniques together with micro-Fourier transform infrared spectroscopy, Pb is shown to be associated with fatty acid phosphate, sulfate, chloride, and carboxylate ions. Moreover, microXRF maps reveal a peculiar distribution and colocalization of Pb, phosphorus (P), and sulfur (S), which are present at the micrometric scale resembling diffused “coffee rings” surrounding the ocher particles imbedded in the red letters, and at the submicrometric scale concentrated in the papyrus cell walls. A similar Pb, P, and S composition was found in three black inks, suggesting that the same lead components were employed in the manufacture of carbon-based inks. Bearing in mind that pigments such as red lead (Pb3O4) and lead white (hydrocerussite [Pb-3(CO3)(2)(OH)(2)] and/or cerussite [PbCO3]) were not detected, the results presented here suggest that the lead compound in the ink was used as a drier rather than as a pigment. Accordingly, the study calls for a reassessment of the composition of lead-based components in ancient Mediterranean pigments. | ||||
| Address | |||||
| Corporate Author | Thesis | ||||
| Publisher | Place of Publication | Editor | |||
| Language | Wos | 000590753400016 | Publication Date | 2020-10-27 | |
| Series Editor | Series Title | Abbreviated Series Title | |||
| Series Volume | Series Issue | Edition | |||
| ISSN | 0027-8424; 1091-6490 | ISBN | Additional Links | UA library record; WoS full record; WoS citing articles | |
| Impact Factor | 11.1 | Times cited | Open Access | ||
| Notes | Approved | Most recent IF: 11.1; 2020 IF: 9.661 | |||
| Call Number | UA @ admin @ c:irua:174323 | Serial | 8107 | ||
| Permanent link to this record | |||||
| Author | Evans, T.; Kiflawi, I.; Luyten, W.; Van Tendeloo, G.; Woods, G.S. | ||||
| Title | Conversion of platelets into dislocation loops and voidite formation in type IaB diamonds | Type | A1 Journal article | ||
| Year | 1995 | Publication |
Proceedings of the Royal Society of London: series A: mathematical and physical sciences | Abbreviated Journal | P Roy Soc A-Math Phy |
| Volume | 449 | Issue | Pages | 295-313 | |
| Keywords | A1 Journal article; Electron microscopy for materials research (EMAT) | ||||
| Abstract | |||||
| Address | |||||
| Corporate Author | Thesis | ||||
| Publisher | Place of Publication | London | Editor | ||
| Language | Wos | A1995QY10100007 | Publication Date | 2006-12-18 | |
| Series Editor | Series Title | Abbreviated Series Title | |||
| Series Volume | Series Issue | Edition | |||
| ISSN | 1364-5021;1471-2946; | ISBN | Additional Links | UA library record; WoS full record; WoS citing articles | |
| Impact Factor | 2.192 | Times cited | 32 | Open Access | |
| Notes | Approved | COMPUTER SCIENCE, INTERDISCIPLINARY 11/104 Q1 # PHYSICS, MATHEMATICAL 1/53 Q1 # | |||
| Call Number | UA @ lucian @ c:irua:13314 | Serial | 513 | ||
| Permanent link to this record | |||||
| Author | van Malderen, H.; Van Grieken, R.; Khodzher, T.V.; Grachev, M.; Bufetov, N.S.; Koutsenogii, K.P. | ||||
| Title | Single particle analysis of aerosols from Siberia | Type | P3 Proceeding | ||
| Year | 1994 | Publication |
Proceedings of the Russian-Ukrainian-Austrian-German Analytical Symposium | Abbreviated Journal | |
| Volume | Issue | Pages | |||
| Keywords | P3 Proceeding; AXES (Antwerp X-ray Analysis, Electrochemistry and Speciation) | ||||
| Abstract | |||||
| Address | |||||
| Corporate Author | Thesis | ||||
| Publisher | Place of Publication | Editor | |||
| Language | Wos | Publication Date | |||
| Series Editor | Series Title | Abbreviated Series Title | |||
| Series Volume | Series Issue | Edition | |||
| ISSN | ISBN | Additional Links | UA library record | ||
| Impact Factor | Times cited | Open Access | |||
| Notes | Approved | no | |||
| Call Number | UA @ admin @ c:irua:9527 | Serial | 8530 | ||
| Permanent link to this record | |||||
| Author | Shestakov, M.V.; Meledina, M.; Turner, S.; Baekelant, W.; Verellen, N.; Chen, X.; Hofkens, J.; Van Tendeloo, G.; Moshchalkov, V.V. | ||||
| Title | Luminescence of fixed site Ag nanoclusters in a simple oxyfluoride glass host and plasmon absorption of amorphous Ag nanoparticles in a complex oxyfluoride glass host | Type | P1 Proceeding | ||
| Year | 2015 | Publication |
Proceedings of the Society of Photo-optical Instrumentation Engineers T2 – 8th International Conference on Photonics, Devices, and System VI, AUG 27-29, 2014, Prague, CZECH REPUBLIC | Abbreviated Journal | |
| Volume | Issue | Pages | Unsp 94501n | ||
| Keywords | P1 Proceeding; Electron microscopy for materials research (EMAT) | ||||
| Abstract | Ag nanocluster-doped glasses have been prepared by a conventional melt-quenching method. The effect of melt temperature and dwell time on the formation of Ag nanoclusters and Ag nanoparticles in simple host oxyfluoride glasses has been studied. The increase of melt temperature and dwell time results in the dissolution of Ag nanoparticles and substantial red-shift of absorption and photoluminescence spectra of the prepared glasses. The quantum yield of the glasses is similar to 5% and does not depend on melt temperature and dwell time. The prepared glasses may be used as red phosphors or down-conversion layers for solar-cells. | ||||
| Address | |||||
| Corporate Author | Thesis | ||||
| Publisher | Spie-int soc optical engineering | Place of Publication | Bellingham | Editor | |
| Language | Wos | 000349404500057 | Publication Date | 2015-01-06 | |
| Series Editor | Series Title | Abbreviated Series Title | |||
| Series Volume | 9450 | Series Issue | Edition | ||
| ISSN | 978-1-62841-566-7 | ISBN | Additional Links | UA library record; WoS full record | |
| Impact Factor | Times cited | Open Access | |||
| Notes | Approved | Most recent IF: NA | |||
| Call Number | UA @ lucian @ c:irua:144783 | Serial | 4668 | ||
| Permanent link to this record | |||||
| Author | Vincze, L.; Kukhlevsky, S.V.; Janssens, K. | ||||
| Title | Simulation of poly-capillary lenses for coherent and partially coherent x-rays | Type | P1 Proceeding | ||
| Year | 2004 | Publication |
Proceedings of the Society of Photo-optical Instrumentation Engineers T2 – Conference on Advances in Computational Methods for X-Ray and Neutron, Optics, AUG 03-05, 2004, Denver, CO | Abbreviated Journal | |
| Volume | Issue | Pages | 81-85 | ||
| Keywords | P1 Proceeding; AXES (Antwerp X-ray Analysis, Electrochemistry and Speciation) | ||||
| Abstract | The intensity distributions of the coherent and partially coherent x-rays passed through a poly-capillary lens have been computed at the focal plane. The computations showed that at the appropriate experimental conditions the interference phenomenon does affect the intensity distribution. In the case of the coherent input radiation with the photon energy of 0.1 keV, the interference fringes were observed, while the non-coherent x-ray radiation produced no interference-like intensity distributions. | ||||
| Address | |||||
| Corporate Author | Thesis | ||||
| Publisher | Place of Publication | Editor | |||
| Language | Wos | 000225564800008 | Publication Date | 2004-11-05 | |
| Series Editor | Series Title | Abbreviated Series Title | |||
| Series Volume | 5536 | Series Issue | Edition | ||
| ISSN | 0-8194-5474-5 | ISBN | Additional Links | UA library record; WoS full record; WoS citing articles | |
| Impact Factor | Times cited | 6 | Open Access | ||
| Notes | Approved | Most recent IF: NA | |||
| Call Number | UA @ admin @ c:irua:103753 | Serial | 5832 | ||
| Permanent link to this record | |||||
| Author | Herremans, D.; Cagno, S.; Vincke, A.; de Clercq, W.; Janssens, K. | ||||
| Title | Composition and state of alteration of 18th century glass from the Cistercian nunnery of Clairefontaine (Belgium) | Type | P1 Proceeding | ||
| Year | 2012 | Publication |
Proceedings of the Society of Photo-optical Instrumentation Engineers T2 – Conference on Integrated Approaches to the Study of Historical Glass, (IASHG), APR 16-17, 2012, Brussels, BELGIUM | Abbreviated Journal | |
| Volume | Issue | Pages | 842206-842211 | ||
| Keywords | P1 Proceeding; AXES (Antwerp X-ray Analysis, Electrochemistry and Speciation) | ||||
| Abstract | An extended set of 18th century glass vessels was analyzed by means of SEM-EDX (major and minor element composition) The fragmented archaeological objects were recovered from a latrine belonging to the early 18th century building phase of the nunnery of Clairefontaine, near Arlon (B). On the basis of typology and decoration, the major part of the vessels could be dated around the middle of the 18th century. Variety in color and weathering of the glass suggest differences in glassmaking recipes and in the composition and origin of raw materials. The results of the analysis show how two main compositional groups constitute about 90% of the analyzed glass set, and these are constituted by potash glass (transparent beakers) and high lime low alkali glass (green bottles). Next to these, a few potash-lime and soda glasses are also found. The type of alteration has also a clear relation with the original glass composition. | ||||
| Address | |||||
| Corporate Author | Thesis | ||||
| Publisher | Place of Publication | Editor | |||
| Language | Wos | 000311900800006 | Publication Date | 2012-06-06 | |
| Series Editor | Series Title | Abbreviated Series Title | |||
| Series Volume | 8422 | Series Issue | Edition | ||
| ISSN | 978-0-8194-9104-6; 0277-786x | ISBN | Additional Links | UA library record; WoS full record | |
| Impact Factor | Times cited | Open Access | |||
| Notes | ; ; | Approved | Most recent IF: NA | ||
| Call Number | UA @ admin @ c:irua:110799 | Serial | 5537 | ||
| Permanent link to this record | |||||
| Author | Cagno, S.; de Raedt, I.; Jeffries, T.; Janssens, K. | ||||
| Title | Composition of Facon de Venise glass from early 17th century London in comparison with luxury glass of the same age | Type | P1 Proceeding | ||
| Year | 2012 | Publication |
Proceedings of the Society of Photo-optical Instrumentation Engineers T2 – Conference on Integrated Approaches to the Study of Historical Glass, (IASHG), APR 16-17, 2012, Brussels, BELGIUM | Abbreviated Journal | |
| Volume | Issue | Pages | 842205-842212 | ||
| Keywords | P1 Proceeding; AXES (Antwerp X-ray Analysis, Electrochemistry and Speciation) | ||||
| Abstract | SEM-EDX and LA-ICP-MS analyses were performed on a set of early 17th century London glass fragments. The samples originate from two archaeological sites (Aldgate and Old Broad Street) where glass workshops were active in this period. The great majority of the samples are made of soda glass. Two distinct compositional groups are observed, each typical of one site of provenance. The samples originating from the Old Broad Street excavation feature a silica-soda-lime composition, with a moderate amount of potash. The samples from Aldgate are richer in potassium and feature higher amounts of trace elements such as Rb, Zr and Cu. The distinction between the two groups stems from different flux and silica sources used for glassmaking. A comparison with different European glass compositions of that time reveals no resemblance with genuine Venetian production, yet the composition of the Old Broad Street glass shows a close similarity to that of fragments produced 'a la facon de Venise' in Antwerp at the end of the 16th century. This coincides with historical sources attesting the arrival of glassworkers from the Low Countries in England and suggests that a transfer of technology took place near the turn of the century. | ||||
| Address | |||||
| Corporate Author | Thesis | ||||
| Publisher | Place of Publication | Editor | |||
| Language | Wos | 000311900800005 | Publication Date | 2012-06-06 | |
| Series Editor | Series Title | Abbreviated Series Title | |||
| Series Volume | 8422 | Series Issue | Edition | ||
| ISSN | 978-0-8194-9104-6; 0277-786x | ISBN | Additional Links | UA library record; WoS full record; WoS citing articles | |
| Impact Factor | Times cited | 1 | Open Access | ||
| Notes | ; ; | Approved | Most recent IF: NA | ||
| Call Number | UA @ admin @ c:irua:110142 | Serial | 5543 | ||
| Permanent link to this record | |||||
| Author | Avetisyan, A.A.; Partoens, B.; Peeters, F.M. | ||||
| Title | Electric field tuning of the band gap in four layers of graphene with different stacking order | Type | P1 Proceeding | ||
| Year | 2012 | Publication |
Proceedings of the Society of Photo-optical Instrumentation Engineers T2 – Conference on Photonics and Micro and Nano-structured Materials, JUN 28-30, 2011, Yerevan, ARMENIA | Abbreviated Journal | |
| Volume | Issue | Pages | 84140-84148 | ||
| Keywords | P1 Proceeding; Engineering sciences. Technology; Condensed Matter Theory (CMT) | ||||
| Abstract | We investigated the effect of different stacking order of the four graphene layer system on the induced band gap when positively charged top and negatively charged back gates are applied to the system. A tight-binding approach within a self-consistent Hartree approximation is used to calculate the induced charges on the different graphene layers. We show that the electric field does not open an energy gap if the multilayer graphene system contains a trilayer part with the ABA Bernal stacking. | ||||
| Address | |||||
| Corporate Author | Thesis | ||||
| Publisher | Place of Publication | Editor | |||
| Language | Wos | 000303856600012 | Publication Date | 2012-01-20 | |
| Series Editor | Series Title | Abbreviated Series Title | |||
| Series Volume | 8414 | Series Issue | Edition | ||
| ISSN | ISBN | Additional Links | UA library record; WoS full record | ||
| Impact Factor | Times cited | Open Access | |||
| Notes | ; This work was supported by the Flemish Science Foundation (FWO-Vl), and the BelgianScience Policy (IAP). One of us (A.A.A.) was supported by a fellowship from the Belgian Federal Science Policy Office (BELSPO). ; | Approved | Most recent IF: NA | ||
| Call Number | UA @ lucian @ c:irua:113046 | Serial | 886 | ||
| Permanent link to this record | |||||
| Author | Djotyan, A.P.; Avetisyan, A.A.; Hao, Y.L.; Peeters, F.M. | ||||
| Title | Shallow donor near a semiconductor surface in the presence of locally spherical scanning tunneling microscope tip | Type | P1 Proceeding | ||
| Year | 2012 | Publication |
Proceedings of the Society of Photo-optical Instrumentation Engineers T2 – Conference on Photonics and Micro and Nano-structured Materials, JUN 28-30, 2011, Yerevan, ARMENIA | Abbreviated Journal | |
| Volume | Issue | Pages | 84140-84148 | ||
| Keywords | P1 Proceeding; Engineering sciences. Technology; Condensed Matter Theory (CMT) | ||||
| Abstract | We developed a variational approach to investigate the ground state energy and the extend of the wavefunction of a neutral donor located near a semiconductor surface in the presence of scanning tunneling microscope (STM) metallic tip. We apply the effective mass approximation and use a variational wavefunction that takes into account the influence of all image charges that arise due to the presence of a metallic tip. The behavior of the ground state energy when the tip approaches the semiconductor surface is investigated. | ||||
| Address | |||||
| Corporate Author | Thesis | ||||
| Publisher | Place of Publication | Editor | |||
| Language | Wos | 000303856600020 | Publication Date | 2012-01-20 | |
| Series Editor | Series Title | Abbreviated Series Title | |||
| Series Volume | 8414 | Series Issue | Edition | ||
| ISSN | ISBN | Additional Links | UA library record; WoS full record | ||
| Impact Factor | Times cited | Open Access | |||
| Notes | ; This work was supported by the Flemish Science Foundation (FWO-Vl), and the Belgian Science Policy. One of us (AAA) was supported by a fellowship from the Belgian Federal Science Policy Office (Belspo). ; | Approved | Most recent IF: NA | ||
| Call Number | UA @ lucian @ c:irua:113047 | Serial | 2987 | ||
| Permanent link to this record | |||||
| Author | Kalesaki, E.; Boneschanscher, M.P.; Geuchies, J.J.; Delerue, C.; Morais Smith, C.; Evers, W.H.; Allan, G.; Altantzis, T.; Bals, S.; Vanmaekelbergh, D. | ||||
| Title | Preparation and study of 2-D semiconductors with Dirac type bands due to the honeycomb nanogeometry | Type | P1 Proceeding | ||
| Year | 2014 | Publication |
Proceedings of the Society of Photo-optical Instrumentation Engineers T2 – Proceedings of SPIE | Abbreviated Journal | |
| Volume | 8981 | Issue | Pages | 898107-898107 | |
| Keywords | P1 Proceeding; Engineering sciences. Technology; Electron microscopy for materials research (EMAT) | ||||
| Abstract | The interest in 2-dimensional systems with a honeycomb lattice and related Dirac-type electronic bands has exceeded the prototype graphene1. Currently, 2-dimensional atomic2,3 and nanoscale4-8 systems are extensively investigated in the search for materials with novel electronic properties that can be tailored by geometry. The immediate question that arises is how to fabricate 2-D semiconductors that have a honeycomb nanogeometry, and as a consequence of that, display a Dirac-type band structure? Here, we show that atomically coherent honeycomb superlattices of rocksalt (PbSe, PbTe) and zincblende (CdSe, CdTe) semiconductors can be obtained by nanocrystal self-assembly and facet-to-facet atomic bonding, and subsequent cation exchange. We present a extended structural analysis of atomically coherent 2-D honeycomb structures that were recently obtained with self-assembly and facet-to-facet bonding9. We show that this process may in principle lead to three different types of honeycomb structures, one with a graphene type-, and two others with a silicene-type structure. Using TEM, electron diffraction, STM and GISAXS it is convincingly shown that the structures are from the silicene-type. In the second part of this work, we describe the electronic structure of graphene-type and silicene type honeycomb semiconductors. We present the results of advanced electronic structure calculations using the sp3d5s* atomistic tight-binding method10. For simplicity, we focus on semiconductors with a simple and single conduction band for the native bulk semiconductor. When the 3-D geometry is changed into 2-D honeycomb, a conduction band structure transformation to two types of Dirac cones, one for S- and one for P-orbitals, is observed. The width of the bands depends on the honeycomb period and the coupling between the nanocrystals. Furthermore, there is a dispersionless P-orbital band, which also forms a landmark of the honeycomb structure. The effects of considerable intrinsic spin-orbit coupling are briefly considered. For heavy-element compounds such as CdTe, strong intrinsic spin-‐orbit coupling opens a non-trivial gap at the P-orbital Dirac point, leading to a quantum Spin Hall effect10-12. Our work shows that well known semiconductor crystals, known for centuries, can lead to systems with entirely new electronic properties, by the simple action of nanogeometry. It can be foreseen that such structures will play a key role in future opto-electronic applications, provided that they can be fabricated in a straightforward way. | ||||
| Address | |||||
| Corporate Author | Thesis | ||||
| Publisher | Place of Publication | Editor | |||
| Language | Wos | 000336040600004 | Publication Date | 2014-03-07 | |
| Series Editor | Series Title | Abbreviated Series Title | |||
| Series Volume | Series Issue | Edition | |||
| ISSN | ISBN | Additional Links | UA library record; WoS full record; WoS citing articles | ||
| Impact Factor | Times cited | 2 | Open Access | OpenAccess | |
| Notes | This work has been supported by funding of the French National Research Agency [ANR, (ANR-‐09-‐BLAN-‐0421-‐01)], NWO and the Dutch organization FOM [Programs “Control over Functional Nanoparticle Solids” (FNPS) and “Designing Dirac Carriers in Semiconductors” | Approved | Most recent IF: NA | ||
| Call Number | c:irua:131912 | Serial | 4039 | ||
| Permanent link to this record | |||||