Magneto-intersubband oscillations in triple quantum wells

被引：3
|
作者：
Wiedmann, S. [1 ,2 ]
Mamani, N. C. [3 ]
Gusev, G. M. [3 ]
Raichev, O. E. [4 ]
Bakarov, A. K. [3 ]
Portal, J. C. [1 ,2 ,5 ]
机构：
[1] CNRS, LNCMI, UPR 3228, F-38042 Grenoble 9, France
[2] INSA Toulouse, F-31077 Toulouse, France
[3] Univ Sao Paulo, Inst Fis, BR-05315970 Sao Paulo, Brazil
[4] NAS Ukraine, Inst Semicond Phys, UA-03028 Kiev, Ukraine
[5] Inst Univ France, F-75005 Paris, France
来源：
PHYSICA E-LOW-DIMENSIONAL SYSTEMS & NANOSTRUCTURES | 2010年 / 42卷 / 04期
基金：
巴西圣保罗研究基金会;
关键词：
Triple quantum well; Magneto-intersubband oscillations; HETEROJUNCTIONS; SCATTERING;
D O I：
10.1016/j.physe.2009.11.045
中图分类号：
TB3 [工程材料学];
学科分类号：
0805 ; 080502 ;
摘要：
We present magnetotransport studies of high-density triple quantum well samples with different barrier widths. Because of electron transitions between three occupied 2D subbands, the magneto-resistance shows magneto-intersubband oscillations whose periodicity is determined by the subband separation energies. Temperature-dependent measurements allow us to extract quantum lifetime of electrons. A theoretical consideration of the observed phenomenon is also presented. (C) 2009 Elsevier B.V. All rights reserved.
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页码：1088 / 1090
页数：3
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