The metallic-like temperature dependence of the conductivity in two-dimensions

被引：0
|
作者：
Gemanenko, A. V. [1 ]
Minkov, G. M. [1 ]
Rut, O. E.
Sherstobitov, A. A. [1 ]
Golub, L. E. [2 ]
Zvonkov, B. N.
机构：
[1] Inst Metal Phys, Ekaterinburg, Russia
[2] Russian Acad Sci, St Petersburg, Russia
来源：
PHYSICS OF SEMICONDUCTORS, PTS A AND B | 2007年 / 893卷
关键词：
electron-electron interaction; weak localization and anti localization;
D O I：
暂无
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
The temperature and magnetic field dependences of the conductivity of the heterostructures with asymmetric InxGa1-xAs quantum well are studied. It is shown that the metallic-like temperature dependence of the conductivity observed in the structures investigated is understandable quantitatively within the whole temperature range. It is caused by the interference quantum correction at fast spin relaxation for 0.4 K < T < 1.5 K. At higher temperatures, 1.5 < T < 4 K, it is due to the interaction quantum correction. Finally, at T > 4 - 6 K, the metallic-like behavior is determined by the phonon scattering.
引用
收藏
页码：705 / +
页数：2
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