Structure and mechanical properties of Cu-Ag nanocomposite films

被引：24

作者：

Misjak, F. ^{[1
]}

Bama, P. B. ^{[1
]}

Toth, A. L. ^{[1
]}

Ujvari, T. ^{[2
]}

Bertoti, I. ^{[2
]}

Radnoczi, G. ^{[1
]}

机构：

[1] Hungarian Acad Sci, Res Inst Tech Phys & Mat Sci MFA, H-1525 Budapest, Hungary

[2] Hungarian Acad Sci, Inst Mat & Environm Chem, Chem Res Ctr, H-1525 Budapest, Hungary

来源：

THIN SOLID FILMS | 2008年 / 516卷 / 12期

基金：

匈牙利科学研究基金会;

关键词：

Cu-Ag nanocomposite; hardness; texture; combinatorial co-deposition;

D O I：

10.1016/j.tsf.2007.07.202

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

Metal-metal nanocomposites are studied to answer the questions of their formation mechanism, morphological development and related physical properties. The films were prepared by combinatorial co-deposition of Cu and Ag in a wide composition interval using then-nal evaporation in high vacuum. Films close in composition to the eutectic have grain size below 10 run and display strong < 111 > texture. Nanoindentation data show that Cu-Ag nanocomposite films have a maximum of hardness reaching 4 GPa around 20 at.% of Ag, four times greater than either of the building components. The composition dependence of the Young's modulus obeys the rule of mixtures, while their HIE ratio values are about 0.02 and practically constant in 10-60, at.% Ag content range. (c) 2007 Published by Elsevier B.V.

引用

页码：3931 / 3934

页数：4

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