Direct measurement of the band structure of a one-dimensional surface superlattice

被引：16
|
作者：
Kardynal, B
Barnes, CHW
Linfield, EH
Ritchie, DA
Brown, KM
Jones, GAC
Pepper, M
机构：
[1] Cavendish Laboratory, Cambridge, CB3 0HE, Madingley Road
来源：
PHYSICAL REVIEW LETTERS | 1996年 / 76卷 / 20期
关键词：
D O I：
10.1103/PhysRevLett.76.3802
中图分类号：
O4 [物理学];
学科分类号：
0702 ;
摘要：
We present a measurement of equilibrium tunneling between a two-dimensional electron gas and a one-dimensional surface superlattice in a double quantum well system. We interpret the tunneling characteristics within the tunneling Hamiltonian formalism and show that the regular series of peaks observed reflects the crystal part of the band structure of the superlattice. In addition, by comparing experiment to theory, we find an approximation to the effective potential of the superlattice.
引用
收藏
页码：3802 / 3805
页数：4
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