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Modified embedded-atom method interatomic potential for the Fe-Pt alloy system

Title
Modified embedded-atom method interatomic potential for the Fe-Pt alloy system
Authors
Kim, JKoo, YLee, BJ
POSTECH Authors
Koo, YLee, BJ
Date Issued
Jan-2006
Publisher
MATERIALS RESEARCH SOCIETY
Abstract
A semi-empirical interatomic potential formalism, the modified embedded atom method (MEAM), has been applied to obtain an interatomic potential for the Fe-Pt alloy system, based on the previously developed potentials for pure Fe and Pt. The potential can describe basic physical properties of the alloys (lattice parameter, bulk modulus, stability of individual phases, and order/disorder transformations), in good agreement with experimental information. The procedure for the determination of potential parameter values and comparisons between the present calculation and experimental data or high level calculation are presented. The applicability of the potential to atomistic studies to investigate structural evolution of Fe50Pt50 alloy thin films during post-annealing is also discussed.
Keywords
THIN-FILMS; THERMODYNAMIC ASSESSMENT; ORDERED PHASES; L1(0) FEPT; METALS; COPT; CU; NANOPARTICLES; IMPURITIES; MEDIA
URI
http://oasis.postech.ac.kr/handle/2014.oak/29597
DOI
10.1557/JMR.2006.000
ISSN
0884-2914
Article Type
Article
Citation
JOURNAL OF MATERIALS RESEARCH, vol. 21, no. 1, page. 199 - 208, 2006-01
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 KOO, YANG MO
Graduate Institute of Ferrous Technology
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