Solid-state phase formation between Pd thin films and GaSb

被引:0
作者
J. A. Robinson
S. E. Mohney
机构
[1] The Pennsylvania State University,Department of Materials Science and Engineering and Materials Research Institute
来源
Journal of Electronic Materials | 2006年 / 35卷
关键词
GaSb; palladium; thin films; ohmic contacts;
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中图分类号
学科分类号
摘要
Knowledge of the interaction between a thin metal film and a compound semiconductor can be used to engineer electrical contacts to the semiconductor. In this study, we examine the reaction between a 50 nm layer of Pd and a GaSb substrate annealed at 100–350°C for 10–360 min using transmission electron microscopy (TEM) and x-ray diffraction (XRD). We report on the formation of Pd-rich nanocrystalline and polycrystalline ternary phases at temperatures below 200°C, followed by Pd-Ga and Pd-Sb binary phases above 200°C.
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页码:48 / 55
页数:7
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