EXPERIMENTAL AND THEORETICAL INVESTIGATION OF TELLURIUM DIFFUSION IN SILVER ZINC ALLOY AND THE BARRIER EFFECT OF ZINC

被引：1

作者：

ARIOKA, H ^{[1
]}

JOHNSON, KH ^{[1
]}

TOMINAGA, J ^{[1
]}

TAKAYAMA, S ^{[1
]}

机构：

[1] MIT,DEPT MAT SCI & ENGN,CAMBRIDGE,MA 02139

来源：

MATERIALS SCIENCE AND ENGINEERING B-SOLID STATE MATERIALS FOR ADVANCED TECHNOLOGY | 1992年 / 13卷 / 04期

关键词：

D O I：

10.1016/0921-5107(92)90130-2

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

It has been observed that tellurium diffuses into silver-zinc alloy at a specified temperature. The same phenomenon has been observed for a thin layer of zinc on silver. Zinc seems to protect silver from the tellurium diffusion, whereas tin does not show this effect. The result of calculations using the SW-X-alpha cluster molecular-orbital method applied to Te-Zn-Ag and Te-Sn-Ag models suggest that the highest occupied molecular orbital of zinc is an anti-bonding electron orbital that protects silver from tellurium diffusion at low temperature and lowest unoccupied molecular orbital is a bonding orbital that helps tellurium diffuse into silver.

引用

页码：291 / 294

页数：4

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