Cha, Pil-Ryung Kim, Yu Chan Kim, Ki-Bae Seok, Hyun-Kwang Fleury, Eric Han, Seung-Hee 2024-01-21T01:05:47Z 2024-01-21T01:05:47Z 2021-08-31 2007-04 1359-6462 https://pubs.kist.re.kr/handle/201004/134512 The influence of hydrogen on the structural stability of an amorphous nickel has been analyzed by molecular dynamics simulation. We find that the volume of the amorphous metal increases nonlinearly with the hydrogen concentration and that it crystallizes at a certain critical concentration. The crystallization is shown to be caused by hydrogen-induced transition from the amorphous to the supercooled liquid state, and the change of diffusion mechanism from atomic hopping to string-like collective motion is also observed at the transition. (c) 2006 Acta Materialia Inc. Published by Elsevier Ltd. All rights reserved. English PERGAMON-ELSEVIER SCIENCE LTD PEM FUEL-CELL MOLECULAR-DYNAMICS INDUCED AMORPHIZATION PERMEATION GLASSES ALLOYS DIFFUSION MEMBRANES LIQUIDS Hydrogen-induced crystallization of an amorphous metal Article 10.1016/j.scriptamat.2006.12.013 1 SCRIPTA MATERIALIA, v.56, no.7, pp.609 - 612 SCRIPTA MATERIALIA 56 7 609 612 scie scopus 000244516900014 2-s2.0-33846484239 Nanoscience & Nanotechnology Materials Science, Multidisciplinary Metallurgy & Metallurgical Engineering Science & Technology - Other Topics Materials Science Metallurgy & Metallurgical Engineering Article PEM FUEL-CELL MOLECULAR-DYNAMICS INDUCED AMORPHIZATION PERMEATION GLASSES ALLOYS DIFFUSION MEMBRANES LIQUIDS hydrogen amorphous metal structural stability molecular dynamics