INSIDE A 2D ELECTRON-SYSTEM - IMAGES OF POTENTIAL AND DISSIPATION

被引：4
|
作者：
KNOTT, R
DIETSCHE, W
VONKLITZING, K
EBERL, K
PLOOG, K
机构：
[1] MPI für Festkörperforschung
来源：
SOLID-STATE ELECTRONICS | 1994年 / 37卷 / 4-6期
关键词：
D O I：
10.1016/0038-1101(94)90277-1
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：
Lateral potential distributions in 2D electron systems are imaged under magnetotransport conditions with an electrooptic method. In low mobility delta-doped samples, the results agree with a classical picture in the ohmic regime. For high currents, a uniform breakdown is found. In high-mobility modulation-doped heterostructures, the change in the potential distribution at breakdown is strongly asymmetric upon current reversal.
引用
收藏
页码：689 / 692
页数：4
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