NEW GROUP-III ALUMINUM AND GALLIUM HYDRIDE PRECURSORS FOR METAL ORGANIC VAPOR-PHASE EPITAXY

被引:8
作者
DORN, R [1 ]
MULLER, M [1 ]
LORBERTH, J [1 ]
ZIMMERMANN, G [1 ]
PROTZMANN, H [1 ]
STOLZ, W [1 ]
GOBEL, EO [1 ]
机构
[1] UNIV MARBURG,FACHBEREICH CHEM,WISSENSCHAFTLICHES ZENTRUM MAT WISSENSCH,HANS MEERWEIN STR,W-3550 MARBURG,GERMANY
来源
MATERIALS SCIENCE AND ENGINEERING B-SOLID STATE MATERIALS FOR ADVANCED TECHNOLOGY | 1993年 / 17卷 / 1-3期
关键词
D O I
10.1016/0921-5107(93)90076-Y
中图分类号
T [工业技术];
学科分类号
08 ;
摘要
New group III hydride precursors have been synthesized in high yield and their purities have been measured by atomic absorption spectroscopy analysis, ion chromatography and metal-organic vapour-phase epitaxy. With these compounds, which have no metal-to-carbon bond, a decrease in carbon incorporation into (Al, Ga)As/GaAs heterostructures is achieved. The efficient combination of these sources with organoarsines at lower V-to-III ratios allows for a replacement of the highly toxic AsH3 by new alternative group V precursors, which show remarkable lower toxicities.
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收藏
页码:25 / 28
页数:4
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