ONE-DIMENSIONAL ELECTRON-TRANSPORT ON THE SURFACE CHANNEL OF INAS QUANTUM-WELLS

被引:4
作者
HAUG, RJ [1 ]
MUNEKATA, H [1 ]
CHANG, LL [1 ]
机构
[1] MAX PLANCK INST FESTKORPERFORSCH,W-7000 STUTTGART 80,GERMANY
关键词
D O I
10.1016/0039-6028(92)90371-C
中图分类号
O64 [物理化学(理论化学)、化学物理学];
学科分类号
070304 ; 081704 ;
摘要
Utilizing the unique feature of Fermi-level pinning at the InAs surface, one-dimensional electron transport has been achieved at the edge of confined InAs layers. At low temperatures, the transport is characterized by a much enhanced conductance with a flat temperature dependence in comparison with that in the bulk. Negative magnetoresistance, Shubnikov-de Haas oscillations and conductance fluctuations are further manifestations of one-dimensional surface conduction.
引用
收藏
页码:374 / 377
页数:4
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