ELECTRICAL-PROPERTIES OF MODULATION-DOPED HGTE-CDTE SUPERLATTICES

被引:18
作者
HWANG, S
LANSARI, Y
YANG, Z
COOK, JW
SCHETZINA, JF
机构
来源
JOURNAL OF VACUUM SCIENCE & TECHNOLOGY B | 1991年 / 9卷 / 03期
关键词
D O I
10.1116/1.585802
中图分类号
TM [电工技术]; TN [电子技术、通信技术];
学科分类号
0808 ; 0809 ;
摘要
Growth of modulation-doped HgTe-CdTe superlattices (SLs) at very low temperatures (140-degrees-C) by photassisted molecular beam epitaxy is reported. SL layer thicknesses were intentionally chosen such that most of the SLs studied are inverted-band semimetals or inverted-band semiconductors. Both p- and n-type samples were successfully prepared and studied. The doped superlattices exhibited excellent electrical properties. Lack of carrier freeze-out at low temperatures provides convincing evidence that modulation-doping has been achieved.
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页码:1799 / 1804
页数:6
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