Interband magnetoabsorption study of the shift of the Fermi energy of a 2DEG with an in-plane magnetic field

被引：3
|
作者：
Kyrychenko, FV
Jho, YD
Kono, J
Crooker, SA
Sanders, GD
Reitze, DH
Stanton, CJ
Wei, X
Kadow, C
Gossard, AC
机构：
[1] Univ Florida, Dept Phys, Gainesville, FL 32611 USA
[2] Florida State Univ, Natl High Magnet Field Lab, Tallahassee, FL 32310 USA
[3] Rice Univ, Dept Elect & Comp Engn, Houston, TX 77005 USA
[4] Los Alamos Natl Lab, Natl High Magnet Field Lab, Los Alamos, NM 87545 USA
[5] Univ Calif Santa Barbara, Dept Mat, Santa Barbara, CA 93106 USA
来源：
PHYSICA E-LOW-DIMENSIONAL SYSTEMS & NANOSTRUCTURES | 2004年 / 22卷 / 1-3期
关键词：
2DEG; in-plane magnetic field; Fermi energy;
D O I：
10.1016/j.physe.2003.12.085
中图分类号：
TB3 [工程材料学];
学科分类号：
0805 ; 080502 ;
摘要：
We investigate experimentally and theoretically the effects of an in-plane magnetic field on the two-dimensional (2D) electron gas via a shift of the Fermi energy in the interband magnetoabsorption. It is shown that the Fermi edge may either shift up (blue) or down (red) in an in-plane magnetic field. The shift depends on the relative strength of two components: (i) the diamagnetic shift of subband edge and (ii) an increase of the 2D density of states which lowers the Fermi energy with respect to the subband edge. (C) 2003 Elsevier B.V. All rights reserved.
引用
收藏
页码：624 / 627
页数：4
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