南京大学物理系
纸质出版:1987
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[1]杨左娅,陈坤基,吴汝麟.a-GaAs薄膜电学及光学性质的研究[J].电子学报,1987(02):108-110.
Yang Zuo-ya, Chen Kun-ji, Wu Ru-lin. Inverstigation of Electrical and Optical Properties of a-GaAs Films[J]. Acta Electronica Sinica, 1987, (2): 108-110.
本文报导了用PECTD法制备的a-GaAs样品的基本电学和光学性质
未掺杂的a-GaAs薄膜在室温下呈N型
相应的电子漂移迁移率为10
-2
~10
-3
cm
2
/V.s。讨论了a-GaAs薄膜材料组分配比的变化对其电学性质的影响及薄膜的热退火特性。
Systematic studies on physical properties of a-GaAs films prepared by PECTD (Plasma Enhanced Chemical Transport Deposition) method are carried out. In the room temperature the undoped a-GaAs films appear as N-type
and its electron drift mobility is 10-2
1
0-3cm2/V. s. It is found that an excess of Ga element and the existance of C1 atoms in the a-Ga As films will change its physical properties. Theoretical models are suggested to explain the above phenomena.
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