Electron Effective Mass and g Factor in Wide HgTe Quantum Wells

被引：5

作者：

Gudina, S. V. ^{[1
]}

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

Ilchenko, E. V. ^{[1
]}

Bogolubskii, A. S. ^{[1
]}

Harus, G. I. ^{[1
]}

Shelushinina, N. G. ^{[1
]}

Podgornykh, S. M. ^{[1
,2
]}

Yakunin, M. V. ^{[1
,2
]}

Mikhailov, N. N. ^{[3
,4
]}

Dvoretsky, S. A. ^{[3
,5
]}

机构：

[1] Russian Acad Sci, Mikheev Inst Met Phys, Ural Branch, Ekaterinburg 620137, Russia

[2] Yeltsin Ural Fed Univ, Ekaterinburg 620002, Russia

[3] Russian Acad Sci, Rzhanov Inst Semicond Phys, Siberian Branch, Novosibirsk 630090, Russia

[4] Novosibirsk State Univ, Novosibirsk 630090, Russia

[5] Natl Res Tomsk State Univ, Tomsk 634050, Russia

来源：

SEMICONDUCTORS | 2018年 / 52卷 / 01期

关键词：

ENERGY-SPECTRUM; MAGNETIC-FIELD; P-GE/GE1-XSIX HETEROSTRUCTURES; DENSITY; STATES; SPIN; GRAPHENE; REGIME; GAPS; GAS;

D O I：

10.1134/S1063782618010098

中图分类号：

O469 [凝聚态物理学];

学科分类号：

070205 ;

摘要：

The magnetic-field (0 T < B < 9 T) dependence of the longitudinal and Hall resistances at fixed temperatures (2 K < T < 50 K) for the HgCdTe/HgTe/HgCdTe system with a HgTe quantum well 20.3 nm in width are measured. The activation analysis of the magnetoresistance curves is used as a tool for identifying the mobility gaps between neighboring Landau levels. The activation-energy values obtained from the temperature dependences of the longitudinal resistance in the plateau regions of the quantum Hall effect with the filling factors nu = 1, 2, 3 make it possible to estimate the effective mass and the g factor of electrons in the system under study. Indications concerning the possibility of large values of the g factor (ae... 80) are obtained.

引用

页码：12 / 18

页数：7

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