Band gap of (CdTe)m/(Cd1-xMnxTe)n superlattices

被引：0

作者：

Melnichuk, SV ^{[1
]}

Mikhailevski, YI ^{[1
]}

Rarenko, IM ^{[1
]}

Yurijchuk, IM ^{[1
]}

机构：

[1] Chernivtsi State Univ, Chernivtsi, Ukraine

来源：

FIFTH INTERNATIONAL CONFERENCE ON MATERIAL SCIENCE AND MATERIAL PROPERTIES FOR INFRARED OPTOELECTRONICS | 2001年 / 4355卷

关键词：

Cd1-xMnxTe; CdTe; superlattice; band structure; tight-binding method;

D O I：

10.1117/12.417807

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：

Band structure of [100] (CdTe)(m)/(Cd1-xMnxTe)(n) superlattices is calculated theoretically in dependence of semiconductor CdTe and Cd1-xMnxTe layers width and magnetic component concentration. Calculations are carried out within semiempirical tight-binding method, which includes s-, p-orbitals of each atom and cation d-orbitals. Mn 3d-states contribution to the formation of the superlattice energy spectrum is analyzed. It is shown that a superlattice on the base of diluted magnetic semiconductor Cd1-xMnxTe with small width of CdTe layers is a semiconductor material with the similar magnetic properties but with more complicated dependence of crystal forbidden band gap on magnetic component concentration.

引用

页码：63 / 66

页数：4

共 14 条

[1]

BEHSTEDT F, 1990, SEMICONDUCTOR SURFAC

[2] Zeeman splitting of excitons in CdTe/CdMnTe quantum wells [J].

Bhattacharjee, AK ;

Fishman, G .

JOURNAL OF CRYSTAL GROWTH, 1998, 184 :942-946

[3] 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

[4] DETERMINATION OF THE BAND-OFFSET OF CDTE/CD1-XMNXTE MULTIPLE-QUANTUM WELLS WITH VERY-LOW X-VALUES [J].

CHEN, P ;

NICHOLLS, JE ;

HOGG, JHC ;

STIRNER, T ;

HAGSTON, WE ;

LUNN, B ;

ASHENFORD, DE .

PHYSICAL REVIEW B, 1995, 52 (07) :4732-4735

[5]

FURDYNA Y, 1992, DILUTED MAGNETIC SEM

[6]

HAAS KC, 1988, ACTA PHYS POL A, V73, P933

[7]

HARRISON W, 1983, ELECT STRUCTURE PROO

[8] THEORY OF EXCHANGE INTERACTIONS AND CHEMICAL TRENDS IN DILUTED MAGNETIC SEMICONDUCTORS [J].

LARSON, BE ;

HASS, KC ;

EHRENREICH, H ;

CARLSSON, AE .

PHYSICAL REVIEW B, 1988, 37 (08) :4137-4154

[9] A TIGHT-BINDING STUDY OF THE ELECTRONIC-STRUCTURE OF MNTE [J].

MASEK, J ;

VELICKY, B ;

JANIS, V .

JOURNAL OF PHYSICS C-SOLID STATE PHYSICS, 1987, 20 (01) :59-68

[10]

MELNICHUK SV, 1998, NAUKOVYI VISNYK CHER, V40, P30

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