DIFFUSION OF GALLIUM IN THIN GOLD-FILMS ON GAAS

被引:19
作者
GUPTA, RP
KHOKLE, WS
WUERFL, J
HARTNAGEL, HL
机构
[1] Semiconductor Devices Area, Central Electronics Engineering Research Institute, Pilani, Rajasthan 333031, India
关键词
CHEMICAL ANALYSIS - GOLD AND ALLOYS - Thin Films - HEAT TREATMENT - SEMICONDUCTING GALLIUM ARSENIDE - SPECTROSCOPY; ELECTRON;
D O I
10.1016/0040-6090(87)90145-3
中图分类号
T [工业技术];
学科分类号
08 ;
摘要
Gold-based multicomponent metallization systems are commonly used for making contacts to GaAs and other compound semiconductors. Gallium has been reported to migrate rapidly in the overlying gold film but quantitative data concerning diffusion of gallium in gold are not available. Therefore electron spectroscopy for chemical analysis (ESCA) investigations were undertaken to determine the diffusivity of gallium in gold, which is of great technological importance particularly for optimizing ohmic and Schottky contacts to GaAs.
引用
收藏
页码:L121 / L125
页数:5
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