EXCITONS AND TYPE-I - TYPE-II TRANSITION UNDER MAGNETIC-FIELDS

被引：4

作者：

DELALANDE, C

机构：

[1] Laboratoire de Physique de la Matière Condensée, l'Ecole Normale Supérieure, F-75005 Paris

来源：

SUPERLATTICES AND MICROSTRUCTURES | 1992年 / 12卷 / 03期

关键词：

D O I：

10.1016/0749-6036(92)90288-G

中图分类号：

O469 [凝聚态物理学];

学科分类号：

070205 ;

摘要：

We discuss the effects of a magnetic field on CdTe Cd1-xMnxTe heterostructures and show that, at moderate Mn concentration, a pseudo-type I to pseudo-type II transition occurs, namely the holes become localized in the semimagnetic ternary layer. We emphasize the role of excitons and present the results of a variational calculation of their binding energy. The valence band offset obtained in a 〈111〉 grown sample is compared to other available data. © 1992.

引用

页码：387 / 391

页数：5

共 19 条

[1] OPTICAL STUDIES OF THE PIEZOELECTRIC EFFECT IN (111)-ORIENTED CDTE/CD1-XZNXTE STRAINED QUANTUM-WELLS [J].

ANDRE, R ;

DESHAYES, C ;

CIBERT, J ;

DANG, LS ;

TATARENKO, S ;

SAMINADAYAR, K .

PHYSICAL REVIEW B, 1990, 42 (17) :11392-11395

[2] MAGNETIC MANIFESTATIONS OF CARRIER CONFINEMENT IN QUANTUM WELLS [J].

AWSCHALOM, DD ;

WARNOCK, J ;

HONG, JM ;

CHANG, LL ;

KETCHEN, MB ;

GALLAGHER, WJ .

PHYSICAL REVIEW LETTERS, 1989, 62 (02) :199-202

[3]

BASTARD G, 1991, SOLID STATE PHYS, V44, P229

[4] EXCITON BINDING-ENERGY IN QUANTUM WELLS [J].

BASTARD, G ;

MENDEZ, EE ;

CHANG, LL ;

ESAKI, L .

PHYSICAL REVIEW B, 1982, 26 (04) :1974-1979

[5] BAND OFFSETS AND EXCITONS IN CDTE (CD,MN)TE QUANTUM WELLS [J].

CHANG, SK ;

NURMIKKO, AV ;

WU, JW ;

KOLODZIEJSKI, LA ;

GUNSHOR, RL .

PHYSICAL REVIEW B, 1988, 37 (03) :1191-1198

[6] EXCITONIC EFFECTS IN SEPARATE-CONFINEMENT QUANTUM-WELL HETEROSTRUCTURES CDTE/(CD,ZN)TE [J].

DELEPORTE, E ;

BERROIR, JM ;

DELALANDE, C ;

MAGNEA, N ;

MARIETTE, H ;

ALLEGRE, J ;

CALATAYUD, J .

PHYSICAL REVIEW B, 1992, 45 (11) :6305-6308

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

DELEPORTE, E ;

BERROIR, JM ;

BASTARD, G ;

DELALANDE, C ;

HONG, JM ;

CHANG, LL .

PHYSICAL REVIEW B, 1990, 42 (09) :5891-5894

[8] MAGNETO-OPTICAL PROPERTIES OF LARGE-GAP DILUTED MAGNETIC SEMICONDUCTORS [J].

GAJ, JA .

SEMICONDUCTORS AND SEMIMETALS, 1988, 25 (0C) :275-309

[9] RELATION OF MAGNETO-OPTICAL PROPERTIES OF FREE-EXCITONS TO SPIN ALIGNMENT OF MN2+ IONS IN CD1-XMNXTE [J].

GAJ, JA ;

PLANEL, R ;

FISHMAN, G .

SOLID STATE COMMUNICATIONS, 1979, 29 (05) :435-438

[10] BLUE-GREEN LASER-DIODES [J].

HAASE, MA ;

QIU, J ;

DEPUYDT, JM ;

CHENG, H .

APPLIED PHYSICS LETTERS, 1991, 59 (11) :1272-1274

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