Zobrazeno 1 - 10
of 145
pro vyhledávání: '"Sand, Andrea"'
Autor:
Ponomareva, Evgeniia, Pitthan, Eduardo, Holeňák, Radek, Shams-Latifi, Jila, Kiely, Glen Pádraig, Primetzhofer, Daniel, Sand, Andrea
Accurately predicting the electronic energy deposition of ions in materials is an important challenge in both fundamental and applied research. While employing ab initio simulations to investigate electronic stopping of ions in matter holds promise,
Externí odkaz:
http://arxiv.org/abs/2401.06198
The accurate treatment of electronic effects in multi-million atom simulations of radiation-induced collision cascades is crucial for reliable predictions of primary radiation damage. In this work, we explore the performance of a recently developed t
Externí odkaz:
http://arxiv.org/abs/2401.04404
The interaction of edge dislocation with helium-implantation-induced defects in tungsten is investigated using molecular dynamics. Following prior investigations, we consider defects with two helium ions in a vacancy with a self-interstitial bound to
Externí odkaz:
http://arxiv.org/abs/2304.14120
At temperatures below the onset of vacancy migration, metals exposed to energetic ions develop dynamically fluctuating steady-state microstructures. Statistical properties of these microstructures in the asymptotic high exposure limit are not univers
Externí odkaz:
http://arxiv.org/abs/2210.05010
Autor:
Hoffmann, Sebastian, author, Sand, Andrea, author, Arndt-Lappe, Sabine, author, Dillmann, Lisa Marie, author
Publikováno v:
Corpora and Lexis. 81:1-6
The morphology of defects formed in collision cascades is an essential aspect of the subsequent evolution of the microstructure. The morphological composition of a defect decides its stability, interaction, and migration properties. We compare the de
Externí odkaz:
http://arxiv.org/abs/2009.14540
The defect morphology is an essential aspect of the evolution of crystals' microstructure and its response to stress. Existing methods either only report defect concentration or characterize only some of the defect morphologies. The need for an effic
Externí odkaz:
http://arxiv.org/abs/2009.14147
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We describe the development of a new object kinetic Monte Carlo code where the elementary defect objects are off-lattice atomistic configurations. Atomic-level transitions are used to transform and translate objects, to split objects and to merge the
Externí odkaz:
http://arxiv.org/abs/1904.04089
Publikováno v:
Computational Materials Science Volume 172, 1 February 2020, 109364
The structure of defect clusters formed in a displacement cascade plays a significant role in the micro-structural evolution during irradiation. Molecular dynamics simulations have been widely used to study collision cascades and subsequent clusterin
Externí odkaz:
http://arxiv.org/abs/1811.10923