MAGNETIC-FIELD-INDUCED TYPE-I-]TYPE-II TRANSITION IN A SEMIMAGNETIC CDTE/CD0.93MN0.07TE SUPERLATTICE

被引：99

作者：

DELEPORTE, E ^{[1
]}

BERROIR, JM ^{[1
]}

BASTARD, G ^{[1
]}

DELALANDE, C ^{[1
]}

HONG, JM ^{[1
]}

CHANG, LL ^{[1
]}

机构：

[1] IBM CORP,THOMAS J WATSON RES CTR,DIV RES,YORKTOWN HTS,NY 10598

来源：

PHYSICAL REVIEW B | 1990年 / 42卷 / 09期

关键词：

D O I：

10.1103/PhysRevB.42.5891

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

Magnetophotoluminescence- and photoluminescence-excitation-spectroscopy experiments are performed up to 5 T at 1.7 K in a 111 -grown CdTe/Cd0.93Mn0.07Te superlattice. The results are compared with calculations of the level energies and of the exciton binding energies, that include field-induced negative offsets. A type-I type-II transition is evidenced near 2 T and a value of 15 20% of the bandgap energy difference is deduced for the valence-band offset. © 1990 The American Physical Society.

引用

页码：5891 / 5894

页数：4

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