LIFETIME OF 2-DIMENSIONAL ELECTRONS MEASURED BY TUNNELING SPECTROSCOPY

被引:132
作者
MURPHY, SQ [1 ]
EISENSTEIN, JP [1 ]
PFEIFFER, LN [1 ]
WEST, KW [1 ]
机构
[1] AT&T BELL LABS, MURRAY HILL, NJ 07974 USA
关键词
D O I
10.1103/PhysRevB.52.14825
中图分类号
T [工业技术];
学科分类号
08 ;
摘要
For electrons tunneling between parallel two-dimensional electron systems, conservation of inplane momentum produces sharply resonant current-voltage characteristics and provides a uniquely sensitive probe of the underlying electronic spectral functions. We report here the application of this technique to accurate measurements of the temperature dependence of the electron-electron scattering rate in clean two-dimensional systems. Our results are in qualitative agreement with existing calculations.
引用
收藏
页码:14825 / 14828
页数:4
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