Records |
Author |
Koirala, B.; Rasti, B.; Bnoulkacem, Z.; De Lima Ribeiro, A.; Madriz, Y.; Herrmann, E.; Gestels, A.; De Kerf, T.; Janssens, K.; Steenackers, G.; Gloaguen, R.; Scheunders, P. |
Title |
An extensive multisensor hyperspectral benchmark datasets of intimate mixtures of mineral powders |
Type |
P1 Proceeding |
Year |
2023 |
Publication |
IEEE International Geoscience and Remote Sensing Symposium proceedings
T2 – IGARSS 2023 – 2023 IEEE International Geoscience and Remote Sensing Symposium, 16-21 July 2023, Pasadena, CA, USA |
Abbreviated Journal |
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Volume |
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Issue |
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Pages |
5890-5893
T2 - IGARSS 2023 - 2023 IEEE Internation |
Keywords |
P1 Proceeding; Economics; Vision lab; Antwerp X-ray Imaging and Spectroscopy (AXIS) |
Abstract |
Since many materials behave as heterogeneous intimate mixtures with which each photon interacts differently, the relationship between spectral reflectance and material composition is very complex. Quantitative validation of spectral unmixing algorithms requires high-quality ground truth fractional abundance data, which are very difficult to obtain.In this work, we generated a comprehensive hyperspectral dataset of intimate mineral powder mixtures by homogeneously mixing five different clay powders (Kaolin, Roof clay, Red clay, mixed clay, and Calcium hydroxide). In total 325 samples were prepared. Among the 325 samples, 60 mixtures were binary, 150 were ternary, 100 were quaternary, and 15 were quinary. For each mixture (and pure clay powder), reflectance spectra are acquired by 13 different sensors, with a broad wavelength range between the visible and the long-wavelength infrared regions (i.e., between 350 nm and 15385 nm) and with a large variation in sensor types, platforms, and acquisition conditions. We will make this dataset public, to be used by the community for the validation of nonlinear unmixing methodologies (https://github.com/VisionlabUA/Multisensor_datasets) |
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Wos |
001098971606002 |
Publication Date |
2023-10-20 |
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Edition |
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ISSN ![sorted by ISSN field, descending order (down)](img/sort_desc.gif) |
979-83-503-2010-7 |
ISBN |
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Additional Links |
UA library record; WoS full record |
Impact Factor |
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Times cited |
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Open Access |
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Notes |
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Approved |
Most recent IF: NA |
Call Number |
UA @ admin @ c:irua:201596 |
Serial |
9035 |
Permanent link to this record |
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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 |
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Volume |
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Issue |
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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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001027381700006 |
Publication Date |
2023-06-24 |
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ISSN ![sorted by ISSN field, descending order (down)](img/sort_desc.gif) |
979-83-503-1097-9 |
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UA library record; WoS full record |
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Times cited |
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Open Access |
Not_Open_Access |
Notes |
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Approved |
Most recent IF: NA |
Call Number |
UA @ admin @ c:irua:198343 |
Serial |
8949 |
Permanent link to this record |
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Author |
de Barros, A.G.; Hasheminejad, N.; Kampen, J.K.; Vanlanduit, S.; Vuye, C. |
Title |
Noise barriers as a road traffic noise intervention in an urban environment |
Type |
P1 Proceeding |
Year |
2021 |
Publication |
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Abbreviated Journal |
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Volume |
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Issue |
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Pages |
1-10 |
Keywords |
P1 Proceeding; Engineering sciences. Technology; Engineering Management (ENM); Condensed Matter Theory (CMT); Energy and Materials in Infrastructure and Buildings (EMIB); Social Epidemiology & Health Policy (SEHPO) |
Abstract |
Intending to tackle road traffic noise in urban environments, noise barriers have been proven to effectively reduce environmental noise levels, leading to positive effects on noise perception by the exposed population. This work assesses the impacts of replacing an obsolete noise barrier in a site near a highway. The effects of this change were monitored via a combination of field surveys, acoustic measurements and noise maps. The results have shown that even though the barrier replacement led to a 4.1 dB reduction in the LA,eq,(15 min.), the annoyance levels of the respondents increased. Possibly, the expectations regarding the improvement of the noise barrier were not met, after a history of complaints. Additionally, existing exposure-response relationships were not successful in predicting the annoyance levels in this particular case. In this dataset, noise annoyance presented a weak link with reported health problems, while a strong correlation was found with the comfort level to perform activities outdoors. Questions regarding the COVID-19 pandemic showed that even though the respondents were spending more time at home, they were less annoyed due to road traffic noise in the period when circulation restrictions were in place. |
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ISSN ![sorted by ISSN field, descending order (down)](img/sort_desc.gif) |
978-989-53387-0-2 |
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UA library record |
Impact Factor |
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Times cited |
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Open Access |
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Notes |
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Approved |
Most recent IF: NA |
Call Number |
UA @ admin @ c:irua:180105 |
Serial |
7004 |
Permanent link to this record |
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Author |
Fougerolle, Y.; Truchetet, F.; Gielis, J. |
Title |
Potential fields of self intersecting Gielis curves for modeling and generalized blending techniques |
Type |
P1 Proceeding |
Year |
2017 |
Publication |
Modeling In Mathematics |
Abbreviated Journal |
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Volume |
2 |
Issue |
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Pages |
67-81
T2 - |
Keywords |
P1 Proceeding; Sustainable Energy, Air and Water Technology (DuEL) |
Abstract |
The definition of Gielis curves allows for the representation of self intersecting curves. The analysis and the understanding of these representations is of major interest for the analytical representation of sectors bounded by multiple subsets of curves (or surfaces), as this occurs for instance in many natural objects. We present a construction scheme based on R-functions to build signed potential fields with guaranteed differential properties, such that their zero-set corresponds to the outer, the inner envelop, or combined subparts of the curve. Our framework is designed to allow for the definition of composed domains built upon Boolean operations between several distinct objects or some subpart of self-intersecting curves, but also provides a representation for soft blending techniques in which the traditional Boolean union and intersection become special cases of linear combinations between the objects' potential fields. Finally, by establishing a connection between R-functions and Lame curves, we can extend the domain of the p parameter within the R-p-function from the set of the even positive numbers to the real numbers strictly greater than 1, i.e. p is an element of]1, +infinity[. |
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000442076400006 |
Publication Date |
2017-04-20 |
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978-94-6239-261-8; 978-94-6239-260-1; 978-94-6239-260-1 |
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Additional Links |
UA library record; WoS full record; WoS citing articles |
Impact Factor |
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Times cited |
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Open Access |
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Notes |
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Approved |
no |
Call Number |
UA @ admin @ c:irua:153801 |
Serial |
8395 |
Permanent link to this record |
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Author |
Milovanović, S.P.; Peeters, F.M. |
Title |
Strained graphene structures : from valleytronics to pressure sensing |
Type |
P1 Proceeding |
Year |
2018 |
Publication |
Nanostructured Materials For The Detection Of Cbrn |
Abbreviated Journal |
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Volume |
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Issue |
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Pages |
3-17
T2 - NATO Advanced Research Workshop on Nanos |
Keywords |
P1 Proceeding; Pharmacology. Therapy; Engineering sciences. Technology; Condensed Matter Theory (CMT) |
Abstract |
Due to its strong bonds graphene can stretch up to 25% of its original size without breaking. Furthermore, mechanical deformations lead to the generation of pseudo-magnetic fields (PMF) that can exceed 300 T. The generated PMF has opposite direction for electrons originating from different valleys. We show that valley-polarized currents can be generated by local straining of multi-terminal graphene devices. The pseudo-magnetic field created by a Gaussian-like deformation allows electrons from only one valley to transmit and a current of electrons from a single valley is generated at the opposite side of the locally strained region. Furthermore, applying a pressure difference between the two sides of a graphene membrane causes it to bend/bulge resulting in a resistance change. We find that the resistance changes linearly with pressure for bubbles of small radius while the response becomes non-linear for bubbles that stretch almost to the edges of the sample. This is explained as due to the strong interference of propagating electronic modes inside the bubble. Our calculations show that high gauge factors can be obtained in this way which makes graphene a good candidate for pressure sensing. |
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000477758900001 |
Publication Date |
2018-07-11 |
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Series Volume |
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Series Issue |
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Edition |
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ISSN ![sorted by ISSN field, descending order (down)](img/sort_desc.gif) |
978-94-024-1306-9; 978-94-024-1304-5; 978-94-024-1303-8; 978-94-024-1303-8 |
ISBN |
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Additional Links |
UA library record; WoS full record; WoS citing articles |
Impact Factor |
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Times cited |
6 |
Open Access |
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Notes |
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Approved |
no |
Call Number |
UA @ admin @ c:irua:161972 |
Serial |
8583 |
Permanent link to this record |
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Author |
Mescia, L.; Bia, P.; Gielis, J.; Caratelli, D. |
Title |
Advanced particle swarm optimization methods for electromagnetics |
Type |
P1 Proceeding |
Year |
2023 |
Publication |
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Abbreviated Journal |
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Volume |
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Issue |
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Pages |
109-122
T2 - Proceedings of the 1st International |
Keywords |
P1 Proceeding; Engineering sciences. Technology; Sustainable Energy, Air and Water Technology (DuEL) |
Abstract |
Electromagnetic design problems involve optimizing multiple parameters that are nonlinearly related to objective functions. Traditional optimization techniques require significant computational resources that grow exponentially as the problem size increases. Therefore, a method that can produce good results with moderate memory and computational resources is desirable. Bioinspired optimization methods, such as particle swarm optimization (PSO), are known for their computational efficiency and are commonly used in various scientific and technological fields. In this article we explore the potential of advanced PSO-based algorithms to tackle challenging electromagnetic design and analysis problems faced in real-life applications. It provides a detailed comparison between conventional PSO and its quantum-inspired version regarding accuracy and computational costs. Additionally, theoretical insights on convergence issues and sensitivity analysis on parameters influencing the stochastic process are reported. The utilization of a novel quantum PSO-based algorithm in advanced scenarios, such as reconfigurable and shaped lens antenna synthesis, is illustrated. The hybrid modeling approach, based on the unified geometrical description enabled by the Gielis Transformation, is applied in combination with a suitable quantum PSO-based algorithm, along with a geometrical tube tracing and physical optics technique for solving the inverse problem aimed at identifying the geometrical parameters that yield optimal antenna performance. |
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Wos |
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Publication Date |
2023-11-29 |
Series Editor |
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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 ![sorted by ISSN field, descending order (down)](img/sort_desc.gif) |
978-90-833839-0-3 |
ISBN |
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Additional Links |
UA library record |
Impact Factor |
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Times cited |
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Open Access |
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Notes |
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Approved |
Most recent IF: NA |
Call Number |
UA @ admin @ c:irua:201048 |
Serial |
9002 |
Permanent link to this record |
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Author |
Gielis, J. |
Title |
Conquering Mount Improbable |
Type |
P1 Proceeding |
Year |
2023 |
Publication |
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Abbreviated Journal |
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Volume |
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Issue |
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Pages |
153-173
T2 - Proceedings of the 1st International |
Keywords |
P1 Proceeding; Economics; Sustainable Energy, Air and Water Technology (DuEL) |
Abstract |
Our scientific and technological worldviews are largely dominated by the concepts of entropy and complexity. Originating in 19th-century thermodynamics, the concept of entropy merged with information in the last century, leading to definitions of entropy and complexity by Kolmogorov, Shannon and others. In its simplest form, this worldview is an application of the normal rules of arithmetic. In this worldview, when tossing a coin, a million heads or tails in a row is theoretically possible, but impossible in practice and in real life. On this basis, the impossible (in the binary case, the outermost entries of Pascal's triangle xn and yn for large values of n) can be safely neglected, and one can concentrate fully on what is common and what conforms to the law of large numbers, in fields ranging from physics to sociology and everything in between. However, in recent decades it has been shown that what is most improbable tends to be the rule in nature. Indeed, if one combines the outermost entries xn and yn with the normal rules of arithmetic, either addition or multiplication, one obtains Lamé curves and power laws respectively. In this article, some of these correspondences are highlighted, leading to a double conclusion. First, Gabriel Lamé's geometric footprint in mathematics and the sciences is enormous. Second, conic sections are at the core once more. Whereas mathematics so far has been exclusively the language of patterns in the sciences, the door is opened for mathematics to also become the language of the individual. The probabilistic worldview and Lamé's footprint can be seen as dual methods. In this context, it is to be expected that the notions of information, complexity, simplicity and redundancy benefit from this different viewpoint. |
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Publication Date |
2023-11-29 |
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Abbreviated Series Title |
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Edition |
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ISSN ![sorted by ISSN field, descending order (down)](img/sort_desc.gif) |
978-90-833839-0-3 |
ISBN |
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Additional Links |
UA library record |
Impact Factor |
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Times cited |
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Open Access |
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Notes |
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Approved |
Most recent IF: NA |
Call Number |
UA @ admin @ c:irua:201045 |
Serial |
9014 |
Permanent link to this record |
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Author |
Gielis, J.; Tavkhelidze, I. |
Title |
A note on Generalized Möbius-Listing Bodies |
Type |
P1 Proceeding |
Year |
2023 |
Publication |
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Abbreviated Journal |
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Volume |
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Issue |
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Pages |
31-39
T2 - Proceedings of the 1st International Sy |
Keywords |
P1 Proceeding; Sustainable Energy, Air and Water Technology (DuEL) |
Abstract |
Generalized Möbius-Listing surfaces and bodies generalize Möbius bands, and this research was motivated originally by solutions of boundary value problems. Analogous to cutting of the original Möbius band, for this class of surfaces and bodies, results have been obtained when cutting such bodies or surfaces. In general, cutting leads to interlinked and intertwined different surfaces or bodies, resulting in very complex systems. However, under certain conditions, the result of cutting can be a single surface or body, which reduces complexity considerably. These conditions are based on congruence and rotational symmetry of the resulting cross sections after cutting, and on the knife cutting the origin |
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Publication Date |
2023-11-29 |
Series Editor |
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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 ![sorted by ISSN field, descending order (down)](img/sort_desc.gif) |
978-90-833839-0-3 |
ISBN |
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Additional Links |
UA library record |
Impact Factor |
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Times cited |
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Open Access |
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Notes |
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Approved |
Most recent IF: NA |
Call Number |
UA @ admin @ c:irua:201047 |
Serial |
9063 |
Permanent link to this record |
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Author |
De Vis, K.; Cagno, S.; Van Mol, W.; Schalm, O.; Janssens, K.; Caen, J. |
Title |
The decolourization of manganese-stained glass : the conversion reaction and evaluation of its effectiveness |
Type |
P2 Proceeding |
Year |
2012 |
Publication |
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Abbreviated Journal |
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Volume |
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Issue |
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Pages |
463-468 |
Keywords |
P2 Proceeding; Engineering sciences. Technology; AXES (Antwerp X-ray Analysis, Electrochemistry and Speciation) |
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Series Editor |
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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 ![sorted by ISSN field, descending order (down)](img/sort_desc.gif) |
978-90-72290-00-7 |
ISBN |
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Additional Links |
UA library record |
Impact Factor |
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Times cited |
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Open Access |
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Notes |
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Approved |
Most recent IF: NA |
Call Number |
UA @ admin @ c:irua:115470 |
Serial |
5566 |
Permanent link to this record |
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Author |
Caen, J.; Schalm, O.; Janssens, K. |
Title |
15th century stained-glass windows in the former County of Flanders : a historical and chemical study related to recent conservation campaigns |
Type |
P2 Proceeding |
Year |
2009 |
Publication |
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Abbreviated Journal |
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Volume |
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Issue |
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Pages |
459-466 |
Keywords |
P2 Proceeding; Engineering sciences. Technology; History; AXES (Antwerp X-ray Analysis, Electrochemistry and Speciation) |
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Edition |
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ISSN ![sorted by ISSN field, descending order (down)](img/sort_desc.gif) |
978-90-5487-618-2 |
ISBN |
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Additional Links |
UA library record |
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Times cited |
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Open Access |
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Notes |
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Approved |
Most recent IF: NA |
Call Number |
UA @ admin @ c:irua:115477 |
Serial |
5449 |
Permanent link to this record |
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Author |
Derks, K.; Youchaeva, M.; Van der Snickt, G.; Van der Stighelen, K.; Janssens, K. |
Title |
Reconstructing Sweerts : practical insights into the historical dark halo technique based on paint reconstructions |
Type |
P1 Proceeding |
Year |
2024 |
Publication |
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Abbreviated Journal |
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Volume |
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Issue |
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Pages |
259-271
T2 - Alla maniera : technical art history |
Keywords |
P1 Proceeding; Engineering sciences. Technology; Art; Antwerp Cultural Heritage Sciences (ARCHES); Antwerp X-ray Imaging and Spectroscopy (AXIS) |
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Abbreviated Series Title |
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ISSN ![sorted by ISSN field, descending order (down)](img/sort_desc.gif) |
978-90-429-5216-4 |
ISBN |
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Additional Links |
UA library record |
Impact Factor |
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Times cited |
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Open Access |
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Notes |
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Approved |
Most recent IF: NA |
Call Number |
UA @ admin @ c:irua:203062 |
Serial |
9082 |
Permanent link to this record |
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Author |
Kuppens, T.; Van Dael, M.; Vanreppelen, K.; Carleer, R.; Yperman, J.; Schreurs, S.; Van Passel, S. |
Title |
Techno-economic assessment of pyrolysis char production and application : a review |
Type |
P1 Proceeding |
Year |
2014 |
Publication |
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Abbreviated Journal |
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Volume |
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Issue |
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Pages |
67-72 |
Keywords |
P1 Proceeding; Engineering sciences. Technology |
Abstract |
Many organic residue streams such as pig manure are not or inefficiently used, although they can be converted into valuable materials, as well as energy, using pyrolysis. The yield of the pyrolysis products (i.e. oil, gas and char) is dependent on the process conditions and the feedstock used. Char as a soil amendment or activated carbon are interesting options for valorization of biomass residues. Here, a review is presented of the techno-economic potential of both valorization options based on literature and own experiments with wood from phytoremediation, particle board and waste from beer production. The term “biochar” is specifically used to designate pyrolysis char that is intentionally applied to soil in order to enhance its structure and fertility. Biochar applications are often also motivated by the objective of climate change mitigation. Two main disadvantages for the economic feasibility of biochar applications have been discerned. Firstly, carbon sequestration in agricultural crops and soils is not yet eligible under the Clean Development Mechanism. Secondly, the impact of biochar on crop productivity is unclear. Activated carbon (AC) seems to have interesting adsorption characteristics resulting in potentially high sales prices. A preliminary techno-economic assessment showed that AC production is preferred above oil production for wood from phytoremediation as long as the market price of 2 kEUR.t(-1) for commercially available ACs can be attained. Whenever a feedstock with high nitrogen content is available (e.g. particle board with melamine urea formaldehyde resin), even higher market prices might be attained. This study shows that valorization of the pyrolysis char might be an answer to the slow adoption of pyrolysis in commercial applications. Focus in research and development, for instance in future research with regard to pig manure valorization, should therefore be on sustainable products with high economic value and direct utilization potential. |
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000346540000012 |
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Series Editor |
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Series Title |
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Abbreviated Series Title |
International Conference on BioMass (iconBM 2014), 4-7 May 2014, Florence, Italy / Ranzi, Eliseo [edit.]; et al. |
Series Volume |
37 |
Series Issue |
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Edition |
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ISSN ![sorted by ISSN field, descending order (down)](img/sort_desc.gif) |
978-88-95608-28-0 |
ISBN |
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Additional Links |
UA library record; WoS full record; WoS citing articles |
Impact Factor |
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Times cited |
8 |
Open Access |
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Notes |
; ; |
Approved |
Most recent IF: NA |
Call Number |
UA @ admin @ c:irua:127547 |
Serial |
6265 |
Permanent link to this record |
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Author |
Grangeiro de Barros, A.; Devroede, R.; Vanlanduit, S.; Vuye, C.; Kampen, J.K. |
Title |
Acoustic simulation of noise barriers and prediction of annoyance for local residents |
Type |
P1 Proceeding |
Year |
2021 |
Publication |
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Abbreviated Journal |
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Volume |
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Issue |
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Pages |
1-8 |
Keywords |
P1 Proceeding; Engineering sciences. Technology; Engineering Management (ENM); Condensed Matter Theory (CMT); Energy and Materials in Infrastructure and Buildings (EMIB); Social Epidemiology & Health Policy (SEHPO) |
Abstract |
Road traffic is the most widespread environmental noise source in Europe, proven to affect human health and well-being adversely. Noise barriers can be a very effective way to objectively reduce the noise levels to which the population is exposed, leading to positive effects on noise perception and quality of life. In this paper, surveys were used to assess subjective noise level indicators (annoyance and quality of life) from residents of the vicinity of a highway where obsolete noise barriers were to be replaced. %HA before the barrier replacement was measured from the surveys (26.8%) and estimated based on the acoustic simulation and two existing exposure/response relationships (14.6 and 18.8% before and 13.6 and 8.3% after). The difference in the measured %HA to those calculated from the ERRs shows that those models might not estimate %HA fairly for small samples or particular situations where high Lden is reported. Noise annoyance correlated differently with the quality of life indicators: a weak link was observed with health problems, while a strong correlation was found with the comfort level to perform activities outdoors. Objective noise measurements gave LA,eq,(15 min.) reductions of 4.1dB(A) due to the new barrier, while in acoustics models, calculated as Lday, expected this reduction to be 5.2 dB(A). After replacing the noise barriers, a second survey could still not be distributed due to the unknown effect of the COVID-19 measures that are still active |
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Wos |
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ISSN ![sorted by ISSN field, descending order (down)](img/sort_desc.gif) |
978-83-7880-799-5 |
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UA library record |
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Times cited |
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Open Access |
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Notes |
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Approved |
Most recent IF: NA |
Call Number |
UA @ admin @ c:irua:181057 |
Serial |
6969 |
Permanent link to this record |
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Author |
Clerici, E.A.; De Meyer, S.; van der Snickt, G.; Janssens, K. |
Title |
Synchroton X-ray powder diffraction study of lead white oxidation by sodium hypochloride |
Type |
P1 Proceeding |
Year |
2017 |
Publication |
|
Abbreviated Journal |
|
Volume |
|
Issue |
|
Pages |
13-27 |
Keywords |
P1 Proceeding; AXES (Antwerp X-ray Analysis, Electrochemistry and Speciation) |
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Corporate Author |
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Wos |
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Abbreviated Series Title |
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ISSN ![sorted by ISSN field, descending order (down)](img/sort_desc.gif) |
978-80-87108-75-8 |
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:157219 |
Serial |
5860 |
Permanent link to this record |
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Author |
De Meyer, S.; Vanmeert, F.; Janssens, K.; Storme, P. |
Title |
A mobile scanner for xrpd-imaging of paintings in transmission and reflection geometry |
Type |
P1 Proceeding |
Year |
2017 |
Publication |
ACTA ARTIS ACADEMICA 2017: PAINTING AS A STORY
T2 – 6th Interdisciplinary ALMA Conference, JUN 01-03, 2017, Brno, CZECH REPUBLIC |
Abbreviated Journal |
|
Volume |
|
Issue |
|
Pages |
29-38 |
Keywords |
P1 Proceeding; Art; AXES (Antwerp X-ray Analysis, Electrochemistry and Speciation); Antwerp Cultural Heritage Sciences (ARCHES) |
Abstract |
In this paper the possibilities and limitations of a non-invasive prototype of macroscopic X-ray powder diffraction scanning device employed in transmission and reflection mode are demonstrated. Contrarily to e.g. macroscopic X-ray fluorescence scanners, which gather information on the elemental level, the prototype instrument allows to obtain information on the crystallographic structure of the components. When applied to cultural heritage artefacts, it becomes possible to identify and localize crystalline pigments. Furthermore, it became clear that different information can be available depending on the geometry of the scanner components. In transmission mode information over the entire stratigraphy of the painting is gathered, which is useful to e.g. identify background substrates and major pigments. On the other hand, reflection-XRPD is a surface-sensitive technique and allows the identification of pigments and degradation products located on the surface. The data acquired during both experiments can be presented as two-dimensional distribution maps which show the spatial distribution of every identified pigment. The complementary nature of transmission and reflectionmode makes it possible to gain more insight into the stratigraphy of the painting which is valuable information for conservation and restoration scientists. |
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Wos |
000430517600002 |
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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 ![sorted by ISSN field, descending order (down)](img/sort_desc.gif) |
978-80-87108-75-8 |
ISBN |
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Additional Links |
UA library record; WoS full record; WoS citing articles |
Impact Factor |
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Times cited |
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Open Access |
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Approved |
no |
Call Number |
UA @ admin @ c:irua:189869 |
Serial |
7392 |
Permanent link to this record |
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Author |
Deylgat, E.; Chen, E.; Sorée, B.; Vandenberghe, W.G. |
Title |
Quantum transport study of contact resistance of edge- and top-contacted two-dimensional materials |
Type |
P1 Proceeding |
Year |
2023 |
Publication |
International Conference on Simulation of Semiconductor Processes and Devices : [proceedings]
T2 – International Conference on Simulation of Semiconductor Processes and, Devices (SISPAD), SEP 27-29, 2023, Kobe, Japan |
Abbreviated Journal |
|
Volume |
|
Issue |
|
Pages |
45-48 |
Keywords |
P1 Proceeding; Condensed Matter Theory (CMT) |
Abstract |
We calculate the contact resistance for an edge- and top-contacted 2D semiconductor. The contact region consists of a metal contacting a monolayer of MoS2 which is otherwise surrounded by SiO2. We use the quantum transmitting boundary method to compute the contact resistance as a function of the 2D semiconductor doping concentration. An effective mass Hamiltonian is used to describe the properties of the various materials. The electrostatic potentials are obtained by solving the Poisson equation numerically. We incorporate the effects of the image-force barrier lowering on the Schottky barrier and examine the impact on the contact resistance. At low doping concentrations, the contact resistance of the top contact is lower compared to edge contact, while at high doping concentrations, the edge contact exhibits lower resistance. |
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Corporate Author |
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Place of Publication |
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Wos |
001117703800012 |
Publication Date |
2023-11-20 |
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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 ![sorted by ISSN field, descending order (down)](img/sort_desc.gif) |
978-4-86348-803-8 |
ISBN |
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Additional Links |
UA library record; WoS full record |
Impact Factor |
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Times cited |
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Open Access |
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Notes |
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Approved |
Most recent IF: NA |
Call Number |
UA @ admin @ c:irua:202839 |
Serial |
9079 |
Permanent link to this record |
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Author |
Reyntjens, P.D.; Tiwari, S.; Van de Put, M.L.; Sorée, B.; Vandenberghe, W.G. |
Title |
Ab-initio study of magnetically intercalated Tungsten diselenide |
Type |
P1 Proceeding |
Year |
2020 |
Publication |
International Conference on Simulation of Semiconductor Processes and Devices : [proceedings]
T2 – International Conference on Simulation of Semiconductor Processes and, Devices (SISPAD), SEP 23-OCT 06, 2020 |
Abbreviated Journal |
|
Volume |
|
Issue |
|
Pages |
97-100 |
Keywords |
P1 Proceeding; Condensed Matter Theory (CMT) |
Abstract |
We theoretically investigate the effect of intercalation of third row transition metals (Co, Cr, Fe, Mn, Ti and V) in the layers of WSe2. Using density functional theory (DFT), we investigate the structural stability. We also compute the DFT energies of various magnetic spin configurations. Using these energies, we construct a Heisenberg Hamiltonian and perform a Monte Carlo study on each WSe2 + intercalant system to estimate the Curie or Neel temperature. We find ferromagnetic ground states for Ti and Cr intercalation, with Curie temperatures of 31K and 225K, respectively. In Fe-intercalated WSe2, we predict that antiferromagnetic ordering is present up to 564K. For V intercalation, we find that the system exhibits a double phase transition. |
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000636981000025 |
Publication Date |
2020-11-02 |
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Abbreviated Series Title |
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ISSN ![sorted by ISSN field, descending order (down)](img/sort_desc.gif) |
978-4-86348-763-5 |
ISBN |
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Additional Links |
UA library record; WoS full record |
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Times cited |
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Open Access |
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Notes |
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Approved |
Most recent IF: NA |
Call Number |
UA @ admin @ c:irua:178345 |
Serial |
7402 |
Permanent link to this record |
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Author |
Verreck, D.; Verhulst, A.S.; Van de Put, M.L.; Sorée, B.; Magnus, W.; Collaert, N.; Mocuta, A.; Groeseneken, G. |
Title |
Self-consistent 30-band simulation approach for (non-)uniformly strained confined heterostructure tunnel field-effect transistors |
Type |
P1 Proceeding |
Year |
2017 |
Publication |
Simulation of Semiconductor Processes and, Devices (SISPAD)AND DEVICES (SISPAD 2017) |
Abbreviated Journal |
|
Volume |
|
Issue |
|
Pages |
29-32 |
Keywords |
P1 Proceeding; Condensed Matter Theory (CMT) |
Abstract |
Heterostructures of III-V materials under a mechanical strain are being actively researched to enhance the performance of the tunnel field-effect transistor (TFET). In scaled III-V device structures, however, the interplay between the effects of strain and quantum confinement on the semiconductor band structure and hence the performance is highly non-trivial. We have therefore developed a computationally efficient quantum mechanical simulator Pharos, which enables self-consistent full-zone k.p-based simulations of III-V TFETs under a general non-uniform strain. We present the self-consistent procedure and demonstrate it on confined staggered bandgap GaAs0.5Sb0.5/In0.53Ga0.47As TFETs. We find a large performance degradation due to size-induced quantum confinement compared to non-confined devices. We show that some performance can be regained either by applying a uniform biaxial tensile strain or through the non-uniform strain profile at a lattice-mismatched heterostructure. |
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Publisher |
Ieee |
Place of Publication |
New york |
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Wos |
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Edition |
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ISSN ![sorted by ISSN field, descending order (down)](img/sort_desc.gif) |
978-4-86348-610-2 |
ISBN |
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Additional Links |
UA library record; WoS full record |
Impact Factor |
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Times cited |
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Open Access |
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Notes |
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Approved |
Most recent IF: NA |
Call Number |
UA @ lucian @ c:irua:149949 |
Serial |
4978 |
Permanent link to this record |
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Author |
Steenackers, G.; Peeters, J.; Janssens, K. |
Title |
Sublayer composition evaluation of Artwork using active thermography |
Type |
P1 Proceeding |
Year |
2018 |
Publication |
Quantitative infrared thermography
T2 – QIRT 2018 : 14th Quantitative InfraRed Thermography Conference |
Abbreviated Journal |
|
Volume |
|
Issue |
|
Pages |
503-506 |
Keywords |
P1 Proceeding; Engineering sciences. Technology; AXES (Antwerp X-ray Analysis, Electrochemistry and Speciation) |
Abstract |
Infrared artwork inspection is typically performed through active thermography and infrared reflectography (IRR) with different setups and cameras. While IRR is an established technique in the museum field, exploiting mainly the IR-A (0.7 – 1.4 mu m) band to probe for hidden layers and modifications within the paint stratigraphy system, active thermography operating in the IR-C range (3 -5 mu m) is less frequently employed with the aim to visualize structural defects and features deeper inside the build-up. In this work, we investigate the usability of an IR-B+C system to identify overpainted works of art below a relatively thick absorbing layer of lead white paint. |
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ISSN ![sorted by ISSN field, descending order (down)](img/sort_desc.gif) |
978-3-940283-94-8 |
ISBN |
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Additional Links |
UA library record; WoS full record |
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Open Access |
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Notes |
; This research was funded by the University of Antwerp and the Institute for the Promotion of Innovation by Science and Technology in Flanders (VLAIO) via support for the TETRA project, “SINT: Smart Integration of Numerical modeling and Thermal inspection,” project number HBC.2017.0032. The researchers received funding from the Antwerp University IOF-council through project PSID-34924 entitled “Fast Broadband Lock-In Thermography for Fragile Structures Using System Identification.” ; |
Approved |
Most recent IF: NA |
Call Number |
UA @ admin @ c:irua:153415 |
Serial |
5854 |
Permanent link to this record |
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Author |
Bernardi, A.; Becherini, F.; Bonazza, A.; Van Grieken, R.; et al. |
Title |
A methodology to monitor the pollution impact on historic buildings surfaces : the TeACH project |
Type |
P1 Proceeding |
Year |
2012 |
Publication |
Lecture notes in computer science
T2 – Progress in Cultural Heritage Preservation : proceedings of EUROMED-2012, the 4th International Conference on Cultural Heritage / Ioannides, M. [edit.]; et al. |
Abbreviated Journal |
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Volume |
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Issue |
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Pages |
765-775 |
Keywords |
P1 Proceeding; AXES (Antwerp X-ray Analysis, Electrochemistry and Speciation) |
Abstract |
The available scenarios of pollutant trends in Europe indicate that the effect of industrial, domestic and transport emissions on corrosion and soiling will continue to constitute a serious threat to Cultural Heritage. Such effects require improved methods for a more accurate diagnosis, monitoring and assessment of the damage. Within this framework, the monitoring methodology applied within the European project TeACH (Technologies and tools to prioritize assessment and diagnosis of air pollution impact on immovable and movable cultural heritage) (2008-2012) allows to assess the impact of the main pollutants on historic buildings. As a part of this approach, a new kit able to monitor the environmental parameters critical for the conservation of architectural surfaces and to evaluate the related damage in terms of surface color change was developed. The monitoring methodology described in the present paper has valuable application potential in the definition of preventive conservation strategies for a wide range of heritage assets. |
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Wos |
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Publication Date |
2012-10-21 |
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Abbreviated Series Title |
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Edition |
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ISSN ![sorted by ISSN field, descending order (down)](img/sort_desc.gif) |
978-3-642-34233-2 |
ISBN |
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Additional Links |
UA library record |
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Times cited |
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Open Access |
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Notes |
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Approved |
no |
Call Number |
UA @ admin @ c:irua:126672 |
Serial |
8222 |
Permanent link to this record |
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Author |
van der Snickt, G.; de Boeck, A.; Keutgens, K.; Anthierens, D. |
Title |
The SALUT project : study of advanced laser techniques for the uncovering of polychromed works of art |
Type |
P1 Proceeding |
Year |
2007 |
Publication |
|
Abbreviated Journal |
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Volume |
116 |
Issue |
|
Pages |
151-158
T2 - Proceedings of the 6th International |
Keywords |
P1 Proceeding; AXES (Antwerp X-ray Analysis, Electrochemistry and Speciation) |
Abstract |
In order to find out whether the existing laser systems can be employed to remove superimposed layers of paint on secco wall paintings in a selective way, laser tests were carried out on three types of prepared samples simulating three stratigraphies that are frequently encountered in practice. OM, EPMA, colorimetry, mu Raman, and FT-IR were used to evaluate the results. It was found that Q-switched Nd:YAG lasers emitting at 1,064 nm could be employed to remove unwanted layers of oil paint and limewash, but the treatment of large areas requires implementation of a computer-controlled X-Y-Z station in order to control the parameters. However, the applicability of this technique will remain limited as ablation at the established optimum parameters implied a discoloration of the pigments cinnabar, yellow ochre, and burnt sienna. Moreover, it was observed that no ablation took place when the limewash thickness exceeds 25 mu m. Unwanted layers of acrylic could be removed in an efficient way with an excimer laser emitting at 193 nm. |
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Wos |
000252680500018 |
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Abbreviated Series Title |
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ISSN ![sorted by ISSN field, descending order (down)](img/sort_desc.gif) |
978-3-540-72129-1; 0930-8989 |
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Additional Links |
UA library record; WoS full record |
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Times cited |
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Open Access |
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Approved |
no |
Call Number |
UA @ admin @ c:irua:157216 |
Serial |
8491 |
Permanent link to this record |
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Author |
Goris, B.; De Beenhouwer, J.; de Backer, A.; Zanaga, D.; Batenburg, J.; Sanchez-Iglesias, A.; Liz-Marzan, L.; Van Aert, S.; Sijbers, J.; Van Tendeloo, G.; Bals, S. |
Title |
Investigating lattice strain in Au nanodecahedrons |
Type |
P1 Proceeding |
Year |
2016 |
Publication |
|
Abbreviated Journal |
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Volume |
|
Issue |
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Pages |
11-12 |
Keywords |
P1 Proceeding; Electron microscopy for materials research (EMAT); Vision lab |
Abstract |
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Wos |
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Publication Date |
2016-12-21 |
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Abbreviated Series Title |
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Series Issue |
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Edition |
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ISSN ![sorted by ISSN field, descending order (down)](img/sort_desc.gif) |
978-3-527-80846-5 |
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Additional Links |
UA library record |
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Not_Open_Access |
Notes |
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Approved |
Most recent IF: NA |
Call Number |
UA @ lucian @ c:irua:145813 |
Serial |
5144 |
Permanent link to this record |
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Author |
De Cocker, P.; Bessiere, Y.; Hernandez-Raquet, G.; Dubos, S.; Mercade, M.; Sun, X.Y.; Mozo, I.; Barillon, B.; Gaval, G.; Caligaris, M.; Ruel, S.M.; Vlaeminck, S.E.; Sperandio, M. |
Title |
Short and long term effect of decreasing temperature on anammox activity and enrichment in mainstream granular sludge process |
Type |
P1 Proceeding |
Year |
2017 |
Publication |
Frontiers In Wastewater Treatment And Modelling, Ficwtm 2017 |
Abbreviated Journal |
|
Volume |
4 |
Issue |
|
Pages |
50-54
T2 - Frontiers International Conference on W |
Keywords |
P1 Proceeding; Sustainable Energy, Air and Water Technology (DuEL) |
Abstract |
This study investigates the impact of lower temperature on short term and long term (down to 10 degrees C) on a completely anoxic anammox granular sludge process. This is the first time granular sludge Anammox is operated in pure anoxic condition in SBR and at low temperature. Conversion performance, kinetic parameters, sludge characteristics and microbial community were analyzed. |
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Wos |
000430181700008 |
Publication Date |
2017-05-04 |
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Abbreviated Series Title |
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ISSN ![sorted by ISSN field, descending order (down)](img/sort_desc.gif) |
978-3-319-58421-8; 978-3-319-58420-1; 978-3-319-58420-1 |
ISBN |
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Additional Links |
UA library record; WoS full record |
Impact Factor |
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Open Access |
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Approved |
no |
Call Number |
UA @ admin @ c:irua:151640 |
Serial |
8520 |
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Author |
Lobovikov-Katz, A.; Moropoulou, A.; Konstanti, A.; Ortiz Calderon, P.; Van Grieken, R.; Worth, S.; Cassar, J.A.; De Angelis, R.; Biscontin, G.; Izzo, F.C. |
Title |
Tangible versus intangible in e-learning on cultural heritage : from online learning to on-site study of historic sites |
Type |
P1 Proceeding |
Year |
2014 |
Publication |
Lecture notes in computer science
T2 – 5th EuroMed International Conference, NOV 03-08, 2014, Amathus, CYPRUS |
Abbreviated Journal |
|
Volume |
8740 |
Issue |
|
Pages |
819-828 |
Keywords |
P1 Proceeding; Documentation and information; AXES (Antwerp X-ray Analysis, Electrochemistry and Speciation) |
Abstract |
The revolutionary development in digital theory and technology calls for non-trivial decisions in bridging between the virtual and real worlds. The field of conservation of cultural heritage thus provides various challenges, especially with regards to learning, study and investigation of tangible heritage through applications of intangible ICT technologies. This paper examines the interaction between e-learning, and the actual on-site learning and study of historic buildings and sites, with an emphasis on their visual characteristics. In this context, the paper presents some aspects of application of a methodology which allows basic documentation, monitoring and primary analysis of data on cultural (built) heritage sites by general public through educational process enabled by an e-learning platform. |
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Wos |
000354774500084 |
Publication Date |
2014-11-14 |
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Abbreviated Series Title |
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ISSN ![sorted by ISSN field, descending order (down)](img/sort_desc.gif) |
978-3-319-13694-3; 978-3-319-13695-0; 978-3-319-13694-3; 0302-9743; 1611-3349 |
ISBN |
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Additional Links |
UA library record; WoS full record; WoS citing articles |
Impact Factor |
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Times cited |
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Open Access |
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Notes |
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Approved |
no |
Call Number |
UA @ admin @ c:irua:126395 |
Serial |
8641 |
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Author |
Loomba, V.; Pourfallah, H.; Olsen, J.E.; Einarsrud, K.E. |
Title |
Lab-scale physical model experiments to understand the effect of particle bed on tapping flow rates |
Type |
P1 Proceeding |
Year |
2022 |
Publication |
|
Abbreviated Journal |
|
Volume |
|
Issue |
|
Pages |
159-170 |
Keywords |
P1 Proceeding; Engineering sciences. Technology; Sustainable Energy, Air and Water Technology (DuEL) |
Abstract |
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Wos |
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Publication Date |
2022-02-03 |
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ISSN ![sorted by ISSN field, descending order (down)](img/sort_desc.gif) |
978-3-030-92543-7; 2367-1181; 2367-1696; 978-3-030-92546-8; 978-3-030-92544-4 |
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UA library record |
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Open Access |
Not_Open_Access |
Notes |
|
Approved |
Most recent IF: NA |
Call Number |
UA @ admin @ c:irua:186090 |
Serial |
7177 |
Permanent link to this record |
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Author |
Schalm, O.; Caen, J.; Janssens, K. |
Title |
Chemical composition of 19th century window glass originating from stianed glass windows located in Belgium |
Type |
P2 Proceeding |
Year |
2007 |
Publication |
|
Abbreviated Journal |
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Volume |
|
Issue |
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Pages |
169-178 |
Keywords |
P2 Proceeding; Engineering sciences. Technology; AXES (Antwerp X-ray Analysis, Electrochemistry and Speciation) |
Abstract |
|
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ISSN ![sorted by ISSN field, descending order (down)](img/sort_desc.gif) |
978-2-930466-08-8 |
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UA library record |
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Most recent IF: NA |
Call Number |
UA @ admin @ c:irua:135466 |
Serial |
5513 |
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Author |
Storme, P.; Selucká, A.; Rapouch, K.; Mazík, M.; Vanmeert, F.; Janssens, K.; Van de Voorde, L.; Vekemans, B.; Vincze, L.; Caen, J.; De Wael, K. |
Title |
Composition and corrosion forms on archaeological and non-archaeological historic printing letters from the Moravian Museum, Memorial of Kralice Bible, the Czech Republic and the Museum Plantin-Moretus Antwerp, Belgium |
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P1 Proceeding |
Year |
2015 |
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Issue |
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Pages |
59-65 |
Keywords |
P1 Proceeding; Engineering sciences. Technology; AXES (Antwerp X-ray Analysis, Electrochemistry and Speciation); Antwerp Cultural Heritage Sciences (ARCHES) |
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978-2-87522-152-0; 0770-8505 |
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UA library record |
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Approved |
Most recent IF: NA |
Call Number |
UA @ admin @ c:irua:126909 |
Serial |
5535 |
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Author |
Mescia, L.; Chiapperino, M.A.; Bia, P.; Lamacchia, C.M.; Gielis, J.; Caratelli, D. |
Title |
Multiphysics modelling of membrane electroporation in irregularly shaped cells |
Type |
P1 Proceeding |
Year |
2019 |
Publication |
Progress in Electromagnetic Research Symposium (PIERS)
T2 – 2019 PhotonIcs & Electromagnetics Research Symposium – Spring (PIERS-Spring), 17-20 June 2019, Rome, Italy |
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2992-2998 |
Keywords |
P1 Proceeding; Engineering sciences. Technology; Sustainable Energy, Air and Water Technology (DuEL) |
Abstract |
Electroporation is a non-thermal electromagnetic phenomenon widely used in medical diseases treatment. Different mathematical models of electroporation have been proposed in literature to study pore evolution in biological membranes. This paper presents a nonlinear dispersive multiphysic model of electroporation in irregular shaped biological cells in which the spatial and temporal evolution of the pores size is taken into account. The model solves Maxwell and asymptotic Smoluchowski equations and it describes the dielectric dispersion of cell media using a Debye-based relationship. Furthermore, the irregular cell shape has been modeled using the Gielis superformula. Taking into account the cell in mitosis phase, the electroporation process has been studied comparing the numerical results pertaining the model with variable pore radius with those in which the pore radius is supposed constant. The numerical analysis has been performed exposing the biological cell to a rectangular electric pulse having duration of 10 μs. The obtained numerical results highlight considerable differences between the two different models underling the need to include into the numerical algorithm the differential equation modeling the spatial and time evolution of the pores size. |
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000550769302159 |
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2020-03-03 |
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978-1-72813-404-8; 978-1-72813-403-1 |
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UA library record; WoS full record; WoS citing articles |
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no |
Call Number |
UA @ admin @ c:irua:169170 |
Serial |
8288 |
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Author |
Mescia, L.; Chiapperino, M.A.; Bia, P.; Lamacchia, C.M.; Gielis, J.; Caratelli, D. |
Title |
Relevance of the cell membrane modelling for accurate analysis of the pulsed electric field-induced electroporation |
Type |
P1 Proceeding |
Year |
2019 |
Publication |
Progress in Electromagnetic Research Symposium (PIERS)
T2 – 2019 PhotonIcs & Electromagnetics Research Symposium – Spring (PIERS-Spring), 17-20 June 2019, Rome, Italy |
Abbreviated Journal |
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Volume |
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Issue |
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Pages |
2985-2991 |
Keywords |
P1 Proceeding; Engineering sciences. Technology; Sustainable Energy, Air and Water Technology (DuEL) |
Abstract |
In this work, a nonlinear dispersive multiphysic model based on Maxwell and asymptotic Smoluchowsky equations has been developed to analyze the electroporation phenomenon induced by pulsed electric field on biological cells. The irregular plasma membrane geometry has been modeled by incorporating in the numerical algorithm the Gielis superformula as well as the dielectric dispersion of the plasma membrane has been modeled using the multi-relaxation Debye-based relationship. The study has been carried out with the aim to compare our model implementing a thin plasma membrane with the simplified model in which the plasma membrane is modeled as a distributed impedance boundary condition. The numerical analysis has been performed exposing the cell to external electric pulses having rectangular shapes. By an inspection of the obtained results, significant differences can be highlighted between the two models confirming the need to incorporate the effective thin membrane into the numerical algorithm to well predict the cell response to the pulsed electric fields in terms of transmembrane voltages and pore densities, especially when the cell is exposed to external nanosecond pulses. |
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000550769302158 |
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2020-03-03 |
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978-1-72813-404-8; 978-1-72813-403-1 |
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Additional Links |
UA library record; WoS full record |
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Times cited |
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Open Access |
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Approved |
no |
Call Number |
UA @ admin @ c:irua:169171 |
Serial |
8469 |
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Author |
Mescia, L.; Lamacchia, C.M.; Chiapperino, M.A.; Bia, P.; Gielis, J.; Caratelli, D. |
Title |
Design of irregularly shaped lens antennas including supershaped feed |
Type |
P1 Proceeding |
Year |
2019 |
Publication |
Progress in Electromagnetic Research Symposium (PIERS)
T2 – 2019 PhotonIcs & Electromagnetics Research Symposium – Spring (PIERS-Spring), 17-20 June, 2019, Rome, Italy |
Abbreviated Journal |
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Volume |
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Pages |
169-173 |
Keywords |
P1 Proceeding; Engineering sciences. Technology; Sustainable Energy, Air and Water Technology (DuEL) |
Abstract |
A new class of irregularly shaped dielectric lens antennas with a supershaped microstrip antenna feeder is presented and detailed in this work. The surface of the lens antenna and the feeder shape have been modelled by using the three and two-dimensional Gielis formula, respectively. The antenna design has been carried out by integrating an home-made software tool with the CST Microwave Studio®. The radiation properties of the whole antenna system have been evaluated using a dedicated high-frequency technique based on the tube tracing approximation. Moreover, the effects due to the multiple internal reflections have been properly modeled. The proposed model was applied to study unusual and complex lens antenna systems with the aim to design special radiation characteristics. |
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000550769300021 |
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2020-03-03 |
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978-1-72813-403-1; 978-1-72813-404-8; 978-1-72813-403-1 |
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Additional Links |
UA library record; WoS full record |
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Times cited |
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no |
Call Number |
UA @ admin @ c:irua:169169 |
Serial |
7766 |
Permanent link to this record |