Magnetic absorption of hexagonal crystals CdSe in strong and weak fields: Quasi-cubic approximation

被引：6

作者：

Kapustina, AB ^{[1
]}

Petrov, BV ^{[1
]}

Rodina, AV ^{[1
]}

Seisyan, RP ^{[1
]}

机构：

[1] Russian Acad Sci, AF Ioffe Physicotech Inst, St Petersburg 194021, Russia

来源：

PHYSICS OF THE SOLID STATE | 2000年 / 42卷 / 07期

基金：

俄罗斯基础研究基金会;

关键词：

D O I：

10.1134/1.1131357

中图分类号：

O469 [凝聚态物理学];

学科分类号：

070205 ;

摘要：

The spectra of ultrathin free samples of hexagonal CdSe in a magnetic field up to 8 T are studied at 1.7 K. The fan-shaped diagram contains information on weak (the Zeeman effect and diamagnetic shift), as well as strong fields (transitions between Landau levels). As a result of the application of two theoretical models for combined interpretation of strong- and weak-field experimental data, two sets of (band and polaron) parameters are calculated for hexagonal CdSe in the quasi-cubic approximation. The values of the obtained polaron/band parameters are: the electron effective mass m(e) = 0.125/0.116m(0), the Luttinger parameters gamma(1) = 1.5/1.72, gamma = 0.29/0.37, kappa = - 0.63, and the effective electron g-factor g(e) = 0.7. (C) 2000 MAIK "Nauka/Interperiodica".

引用

页码：1242 / 1252

页数：11

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