BALLISTIC MEAN FREE-PATH IN GAAS-ALGAAS ELECTRON WAVE-GUIDES

被引：4
|
作者：
TAKAGAKI, Y
SAKAMOTO, T
GAMO, K
NAMBA, S
TAKAOKA, S
MURASE, K
机构：
[1] OSAKA UNIV,EXTREME MAT RES CTR,TOYONAKA,OSAKA 560,JAPAN
[2] OSAKA UNIV,DEPT PHYS,TOYONAKA,OSAKA 560,JAPAN
来源：
SUPERLATTICES AND MICROSTRUCTURES | 1990年 / 8卷 / 01期
关键词：
D O I：
10.1016/0749-6036(90)90283-D
中图分类号：
O469 [凝聚态物理学];
学科分类号：
070205 ;
摘要：
A spatial decay length of momentum-memory of an electron in GaAs-AlGaAs electron waveguides is evaluated from the nonlocal transfer resistance measurements. The ballistic mean free path LB is less than the transport mean free path since the magnitude of the transfer resistance is sensitive to the small angle scattering events. When the channel width is narrowed, LB is strongly reduced due to roughness scattering at the channel boundary. © 1990.
引用
收藏
页码：97 / 100
页数：4
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