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Publication Dielectric Response Spectroscopy as Means to Investigate Interfacial Effects for Ultra-Thin Film Polymer-Based High NA EUV Lithography.(2020-12-12T00:00:00Z) Severi, Joren; De Simone, Danilo; De Gendt, StefanExtreme ultra-violet lithography (EUVL) is the leading-edge technology to produce advanced nanoelectronics. The further development of EUVL is heavily based on implementing the so-called high numerical aperture (NA) EUVL, which will enable even smaller pitches up to 8 nm half pitch (HP). In anticipation of this high NA technology, it is crucial to assess the readiness of the current resist materials for the high NA regime to comply with the demanding requirements of resolution, line-edge roughness, and sensitivity (RLS). The achievable tighter pitches require lower film thicknesses for both resist and underlying transfer layers. A concern that is tied to the thinning down is the potential change in resist properties and behavior due to the interaction with the underlayer. To increase the fundamental understanding of ultra-thin films for high NA EUVL, a method to investigate the interplay of reduced film thickness and different patterning-relevant underlayers is developed by looking at the glass transition temperature (T) of polymer-based resists. To minimize the ambiguity of the results due to resist additives (i.e., photoacid generator (PAG) and quencher), it was opted to move forward with polymer-only samples, the main component of the resist, at this stage of the investigation. By using dielectric response spectroscopy, the results obtained show that changing the protection group of the polymer, as well as altering the polymer film thickness impacts the dynamics of the polymer mobility, which can be assessed through the T of the system. Unexpectedly, changing the underlayer did not result in a clear change in the polymer mobility at the tested film thicknesses.Publication RobBERT: a Dutch RoBERTa-based Language Model(2020-01-17T13:25:44Z)Pre-trained language models have been dominating the field of natural language processing in recent years, and have led to significant performance gains for various complex natural language tasks. One of the most prominent pre-trained language models is BERT, which was released as an English as well as a multilingual version. Although multilingual BERT performs well on many tasks, recent studies show that BERT models trained on a single language significantly outperform the multilingual version. Training a Dutch BERT model thus has a lot of potential for a wide range of Dutch NLP tasks. While previous approaches have used earlier implementations of BERT to train a Dutch version of BERT, we used RoBERTa, a robustly optimized BERT approach, to train a Dutch language model called RobBERT. We measured its performance on various tasks as well as the importance of the fine-tuning dataset size. We also evaluated the importance of language-specific tokenizers and the model's fairness. We found that RobBERT improves state-of-the-art results for various tasks, and especially significantly outperforms other models when dealing with smaller datasets. These results indicate that it is a powerful pre-trained model for a large variety of Dutch language tasks. The pre-trained and fine-tuned models are publicly available to support further downstream Dutch NLP applications.Publication Webinar on DSpace Fundamentals(2020-05-28) Luyten, BramAre you new to DSpace or are you starting new collections in your repository? Chances are, you will have to take decisions involving communities, collections, items and metadata. Understanding these concepts, their possibilities and limitations, will guide you along the way. This webinar covers: Representing digital content with items and bitstreams Altering metadata schemas and submission forms Managing your community and collection hierarchy Impact of DSpace 7 Entities on fundamental conceptsPublication An evaluation of computerized adaptive testing for general psychological distress: combining GHQ-12 and Affectometer-2 in an item bank for public mental health research(BioMed Central, 20/05/16) Stochl, Jan; Pickett, Kate E; Croudace, Tim J; Behavioural Ecology and Ecophysiology (BECO)Publication The International Postal Network and Other Global Flows as Proxies for National Wellbeing(Public Library of Science, 01/06/16) Hristova, Desislava; Rutherford, Alex; Anson, Jose; Luengo-Oroz, Miguel; Mascolo, Cecilia; Environmental Ecology & Applied Microbiology (ENdEMIC)Publication The ionized gas in nearby galaxies as traced by the [N II] 122 and 205 µm transitions(Institute of Physics, 2016) Herrera-Camus, R; Bolatto, A; Smith, JD; Draine, B; Pellegrini, E; Wolfire, M; Croxall, K; de, Looze I; Calzetti, D; Kennicutt, Robert; Crocker, A; Armus, L; van, der Werf P; Sandstrom, K; Galametz, M; Brandl, B; Groves, B; Rigopoulou, D; Walter, F; Leroy, A; Boquien, M; Tabatabaei, FS; Beirao, P; Ecosystem Management (ECOBE)Publication The Vanishing Atrial Mass(Oxford University Press, 07/07/16) Tarkin, Jason; Rudd, James; Belham, Mark R; Bennett, Martin; Gopalan, Deepa; Functional Morphology (FUNMORPH); Evolutionary Ecology Group (EVECO)Publication Nephroblastomatosis or Wilms Tumor in a Fourth Patient With a Somatic PIK3CA Mutation(Wiley, 18/05/16) Gripp, Karen W; Baker, Laura; Kandula, Vinay; Conard, Katrina; Scavina, Mena; Napoli, Joseph A; Griffin, Gregory C; Thacker, Mihir; Knox, Rachel G; Clark, Graeme; Parker, Victoria ER; Semple, Robert; Mirzaa, Ghayda; Keppler-Noreuil, Kim M; Integrated Molecular Plant physiology Research (IMPRES)Publication The cross-quantilogram: Measuring quantile dependence and testing directional predictability between time series(Elsevier, 30/03/16) Han, Heejoon; Linton, Oliver; Oka, Tatsushi; Whang, Yoon-Jae; Systemic Physiological and Ecotoxicological Research (SPHERE)Publication Denoising time-resolved microscopy image sequences with singular value thresholding(Elsevier, 10/05/16) Furnival, Thomas; Leary, Rowan; Midgley, Paul; Plants and Ecosystems (PLECO) - Ecology in a time of changePublication Transcriptional regulation of Annexin A2 promotes starvation-induced autophagy(Nature Publishing Group, 20/08/15) Moreau, Kevin; Hochfeld, Warren; Renna, Maurizio; Zavodszky, Eszter; Runwal, Gautam; Puri, Claudia; Lee, Shirley; Siddiqi, Farah; Menzies, Fiona; Ravikumar, Brinda; Rubinsztein, David; Biomolecular & Analytical Mass Spectrometry (BAMS); Antwerp X-ray Analysis, Electrochemistry and Speciation (AXES)Publication Computational models in the age of large datasets(Elsevier, 29/01/15) O’Leary, Timothy; Sutton, Alexander C; Marder, EvePublication Environmental Impacts and Embodied Energy of Construction Methods and Materials in Low-Income Tropical Housing(MDPI, 18/06/15) Hashemi, Arman; Cruickshank, Heather; Cheshmehzangi, AliPublication The symplectic arc algebra is formal(Duke University Press, 28/01/16) Abouzaid, Mohammed; Smith, IvanPublication Fast bistable intensive light scattering in helix-free ferroelectric liquid crystals(The Optical Society, 25/04/16) Andreev, Alexander; Andreeva, Tatiana; Kompanets, Igor; Zalyapin, Nikolay; Xu, Huan; Pivnenko, Mykhaylo; Chu, Daping; Laboratory of Adsorption and Catalysis (LADCA)Publication Mutational analysis of the Potyviridae transcriptional slippage site utilized for expression of the P3N-PIPO and P1N-PISPO proteins(Oxford University Press, 16/05/16) Olspert, Allan; Carr, John; Firth, Andrew; Organic Synthesis (ORSY); Molecular Spectroscopy (MolSpec)Publication Development of an open technology sensor suite for assisted living: a student-led research project(Royal Society Publishing, 17/06/16) Manton, James; Bonner, Oliver; Amjad, Omar A; Mair, Philip; Miele, Isabella; Wang, Tiesheng; Hall, Richard D; Baekelandt, Géraldine; da, Cruz Vasconcellos Fernando; Hadeler, Oliver; Hutter, Tanya; Kaminski, Clemens; Personal Rights & Property Rights; Government & Law; Business & Law; Structural Chemistry (STRUCCHEM); Plasma, Laser Ablation and Surface Modelling - Antwerp (PLASMANT)Publication A decahaem cytochrome as an electron conduit in protein–enzyme redox processes(Royal Society of Chemistry, 04/05/16) Lee, Chong-Yong; Reuillard, Bertrand; Sokol, Katarzyna; Laftsoglou, Theodoros; Lockwood, Colin WJ; Rowe, Sam F; Hwang, Ee Taek; Fontecilla-Camps, Juan C; Jeuken, Lars JC; Butt, Julea N; Reisner, Erwin; Law Enforcement; Law and DevelopmentPublication Myosins, Actin and Autophagy(Wiley, 31/05/16) Kruppa, Antonina; Kendrick-Jones, John; Buss, Folma; Abdominal and Paediatric SurgeryPublication The complete mitochondrial genome of Epomophorus gambianus (Chiroptera: Pteropodidae) and its phylogenetic analysis.(Taylor & Francis, 08/07/16) Riesle, Silke; de, Vries Stefan; Stubbs, Samuel; Amponsah-Mensah, Kofi; Cunningham, Andrew A; Wood, James; Sargan, David; University of Antwerp; Anaesthesiology
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