INELASTIC LIGHT-SCATTERING FROM A QUASI-2-DIMENSIONAL ELECTRON-SYSTEM IN GAAS-ALXGA1-XAS HETEROJUNCTIONS

被引:107
作者
ABSTREITER, G [1 ]
PLOOG, K [1 ]
机构
[1] MAX PLANCK INST FESTKORPERFORSCH,D-7000 STUTTGART 80,FED REP GER
关键词
D O I
10.1103/PhysRevLett.42.1308
中图分类号
O4 [物理学];
学科分类号
0702 ;
摘要
Resonance enhanced inelastic light scattering from a quasi-two-dimensional electron gas confined at the interface of abruptly doped GaAs/n-AlxGa1-xAs heterojunctions has been measured. The samples were fabricated using molecular-beam epitaxy with a high-contrast doping technique. The results show strong evidence for intersubband excitations in a two-dimensional electron system. © 1979 The American Physical Society.
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页码:1308 / 1311
页数:4
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