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Monte Carlo Simulation of Phase Separation Behavior in a Cu-Co Alloy Nanoparticle

Published online by Cambridge University Press:  31 January 2011

Jae-Hyeok Shim ,
Byeong-Joo Lee ,
Jae-Pyoung Ahn ,
Young Whan Cho  and
Jong-Ku Park
Jae-Hyeok Shim
Affiliation:
Nano-materials Research Center, Korea Institute of Science and Technology, Seoul 136-791, Korea
Byeong-Joo Lee
Affiliation:
Materials Evaluation Center, Korea Research Institute of Standards and Science, Yusong P.O. Box 102, Taejon 305-600, Korea
Jae-Pyoung Ahn
Affiliation:
Nano-materials Research Center, Korea Institute of Science and Technology, Seoul 136-791, Korea
Young Whan Cho*
Affiliation:
Nano-materials Research Center, Korea Institute of Science and Technology, Seoul 136-791, Korea
Jong-Ku Park
Affiliation:
Nano-materials Research Center, Korea Institute of Science and Technology, Seoul 136-791, Korea
*
a)Address all correspondence to this author. e-mail: oze@kist.re.kr
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Abstract

The phase separation behavior in a Cu–Co nanoparticle was investigated using Monte Carlo (MC) simulation. The modified embedded atom method (MEAM) was adopted to describe the interatomic potentials for the Cu–Co alloy system. Some of the cross potential parameters were fitted with experimental data such as mixing enthalpy and lattice constants of Cu–Co alloys. The present MC simulation combined with the MEAM potential describes well the phase separation between face-centered-cubic (fcc) Cu and fcc Co during the annealing of the particle.

Type
Rapid Communications
Information
Journal of Materials Research , Volume 17 , Issue 5 , May 2002 , pp. 925 - 928
Copyright
Copyright © Materials Research Society 2002

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