Effects of spin polarization on electron transport in modulation-doped Cd1-xMnxTe/Cd1-yMgyTe :: I: heterostructures

被引：5

作者：

Andrearczyka, T

Jaroszynski, J

Karczewski, G

Wróbel, J

Wojtowicz, T

Dietl, T

Papis, E

Kaminska, E

Piotrowska, A

机构：

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

[2] Inst Electr Mat Technol, PL-02668 Warsaw, Poland

来源：

PHYSICA E-LOW-DIMENSIONAL SYSTEMS & NANOSTRUCTURES | 2002年 / 12卷 / 1-4期

关键词：

spin polarized transports; metal-insulator transition; quantum Hall effect; diluted magnetic semiconductors;

D O I：

10.1016/S1386-9477(01)00278-8

中图分类号：

TB3 [工程材料学];

学科分类号：

0805 ; 080502 ;

摘要：

We examine and identify magnetoresistance mechanisms in 2D system containing a sizable concentration of magnetic ions. We argue that some of these mechanisms can serve as a tool to measure spin polarization. Lack of spin degeneracy and enhanced localization make it possible to detect an additional Quantum Hall Effect plateau associated with extended states floating-up in vanishing magnetic field. (C) 2002 Elsevier Science B.V. All rights reserved.

引用

页码：361 / 365

页数：5

共 23 条

[1] Colloquium:: Metallic behavior and related phenomena in two dimensions [J].