Title
TEM study and Monte-Carlo simulation of nano-scale Co particles precipitated in a Cu matrix TEM study and Monte-Carlo simulation of nano-scale Co particles precipitated in a Cu matrix
Author
Publication type
article
Publication
Berlin ,
Subject
Physics
Source (journal)
Physica status solidi: A: applied research. - Berlin
Volume/pages
198(2003) :2 , p. 436-442
ISSN
0031-8965
ISI
000185102500023
Carrier
E
Target language
English (eng)
Full text (Publishers DOI)
Abstract
The precipitation behavior of nano-scale Co particles formed in a Cu-Co alloy was studied by means of transmission electron microscopy and a Monte-Carlo simulation. Small coherent Co particles were randomly formed at the early stage of the precipitation process. Two or more Co precipitates linked together were linearly arranged to the <100> orientation of the copper matrix, at the later stage of the coherent precipitation. Finally, the particles lost their coherency to the Cu matrix, and incoherent Co precipitates appeared. The Monte-Carlo simulation, which took both chemical and magnetic interactions into account, strongly suggested that the coupling of coherent Co particles was realized as a result of the chemical and magnetic interactions between the Co particles, which are adjacent to each other.
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