ENERGY-LEVELS IN QUANTUM WIRES STUDIED BY TUNNELING AND MAGNETOTRANSPORT EXPERIMENTS

被引：20
|
作者：
HIRLER, F [1 ]
SMOLINER, J [1 ]
GORNIK, E [1 ]
WEIMANN, G [1 ]
SCHLAPP, W [1 ]
机构：
[1] FORSCHUNGSINST DBP,W-6100 DARMSTADT,GERMANY
来源：
APPLIED PHYSICS LETTERS | 1990年 / 57卷 / 03期
关键词：
D O I：
10.1063/1.103708
中图分类号：
O59 [应用物理学];
学科分类号：
摘要：
We have studied the one-dimensional (1D) subband energies in quantum wires fabricated on GaAs-GaAlAs heterostructures. Magnetoresistance oscillations were used to investigate the influence of an applied gate voltage on the 1D subband energies for various geometrical widths of the fabricated quantum wires. For the first time, we measure directly the 1D subband energies by tunneling spectroscopy. As a result, both the confining potential and the influence of an additional magnetic field are well described by a simple harmonic oscillator model.
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页码：261 / 263
页数：3
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