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Phase Separation of Gold Microcrystals in Glass with an Electric Field

Published online by Cambridge University Press:  03 March 2011

Guoliang Wang ,
Kaiming Liang ,
Wei Liu ,
Feng Zhou ,
Hua Shao  and
Anmin Hu
Guoliang Wang*
Affiliation:
Department of Materials Science and Engineering, Tsinghua University, Beijing 100084, People’s Republic of China
Kaiming Liang
Affiliation:
Department of Materials Science and Engineering, Tsinghua University, Beijing 100084, People’s Republic of China
Wei Liu
Affiliation:
Department of Materials Science and Engineering, Tsinghua University, Beijing 100084, People’s Republic of China
Feng Zhou
Affiliation:
Department of Materials Science and Engineering, Tsinghua University, Beijing 100084, People’s Republic of China
Hua Shao
Affiliation:
Department of Materials Science and Engineering, Tsinghua University, Beijing 100084, People’s Republic of China
Anmin Hu
Affiliation:
Department of Materials Science and Engineering, Tsinghua University, Beijing 100084, People’s Republic of China
*
a)Address all correspondence to this author. e-mail: wangguoliang99@mails.tsinghua.edu.cn
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Abstract

Based on static electromagnetics theory and thermodynamics theory, a new model is proposed to describe the phase separation from the glass doped with metal particles in a static electric field. This model is proved by a heat-treatment experiment of boracic silicate glass doped with gold. The results indicate that the externally applied electric field promotes the phase separation of the glass and leads to a different size of the droplet phase just as this new model has predicted.

Keywords

Nucleation & growthGlassThermodynamic properties

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Type
Articles
Information
Journal of Materials Research , Volume 19 , Issue 4 , April 2004 , pp. 1024 - 1028
Copyright
Copyright © Materials Research Society 2004

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References

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