Electron g-factor in coupled quantum wells CdTe and CdMnTe

被引：0

作者：

Afanasiev, M. M. ^{[1
]}

Kozyrev, N. V. ^{[1
]}

Kirstein, E. ^{[2
]}

Kalevich, V. K. ^{[1
]}

Zhukov, E. A. ^{[1
,2
]}

Mantsevich, V. N. ^{[3
,4
]}

Krivenko, I. S. ^{[5
]}

Karczewski, G. ^{[6
]}

Yakovlev, D. R. ^{[1
,2
]}

Kusraev, Yu G. ^{[1
]}

Bayer, M. ^{[1
]}

机构：

[1] Ioffe Inst, St Petersburg 194021, Russia

[2] Tech Univ Dortmund, Expt Phys 2, D-44221 Dortmund, Germany

[3] Lomonosov Moscow State Univ, Phys Dept, Chair Semicond & Cryoelect, Moscow 119991, Russia

[4] Lomonosov Moscow State Univ, Phys Dept, Quantum Technol Ctr, Moscow 119991, Russia

[5] Univ Michigan, Dept Phys, Ann Arbor, MI 48109 USA

[6] Polish Acad Sci, Inst Phys, PL-02668 Warsaw, Poland

来源：

INTERNATIONAL CONFERENCE PHYSICA.SPB/2019 | 2019年 / 1400卷

关键词：

BEATS;

D O I：

10.1088/1742-6596/1400/6/066023

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

In tunnel-coupled quantum wells (QWs) CdTe (20 nm wide) and CdMnTe (8 nm wide) separated by Cd0.88Mg0.Te-12 barrier with a thickness of L-B = 5, 7, 9, and 11 monolayers (MLs), the dependence of electron g-factor on the barrier thickness and temperature is investigated by means of the pump-probe Kerr rotation technique. The renormalization of the electron g-factor occurs due to the s-d exchange interaction of electrons with manganese ions in a magnetic QW. The most change of the electron g-factor value Delta g = 0.25 is registered at the least barrier width of 5 MLs and temperature T = 5 K. In this case, the penetration of the electron wave function from the nonmagnetic QW into the magnetic one is estimated to be 0.6%.

引用

页数：5

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