2019
DOI: 10.48550/arxiv.1909.03519
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Tungsten migration energy barriers for surface diffusion: a parameterization for KMC simulations

Ville Jansson,
Andreas Kyritsakis,
Simon Vigonski
et al.

Abstract: We have calculated the migration barriers for surface diffusion on Tungsten. Our results form a complete parameterization for Kinetic Monte Carlo simulations of arbitrarily rough atomic tungsten surfaces, as well as nanostructures such as nanotips and nanoclusters. The parameterization includes first-and second-nearest neighbour atom jump processes, as well as a third-nearest neighbour exchange process. The migration energy barriers of all processes are calculated with the Nudged Elastic Band method. The same … Show more

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