Characterization and selected physical properties of CdTe/MnTe short period strained superlattices

被引：3

作者：

Szuszkiewicz, W ^{[1
]}

Dynowska, E ^{[1
]}

BakMisiuk, J ^{[1
]}

Karczewski, G ^{[1
]}

Wojtowicz, T ^{[1
]}

Kossut, J ^{[1
]}

Jouanne, M ^{[1
]}

机构：

[1] UNIV PARIS 06,PHYS SOLIDES LAB,F-75252 PARIS,FRANCE

来源：

ACTA PHYSICA POLONICA A | 1996年 / 90卷 / 05期

关键词：

D O I：

10.12693/APhysPolA.90.1090

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

Phonon excitations in (CdTe)(12)/(MnTe)(n) (100) superlattices (n = 2, 4, 8) were investigated at 295 It and 25 K with the use of Raman scattering. From the ''folded'' phonon frequencies the elastic constant cll value for MnTe was estimated. The strain arising from lattice mismatch (determined by X-ray diffraction) results in shifts of MnTe and CdTe ''confined'' LO phonon frequencies. For the precise determination of LO phonon dispersions an additional shift due to Mn diffusion at the CdTe/MnTe interface should be taken into account.

引用

页码：1090 / 1094

页数：5

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