Lateral photoelectric effect studies of a two-dimensional electron gas under quantum Hall conditions

Lateral photoelectric effect studies of a two-dimensional electron gas under quantum Hall conditions
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量子霍尔条件下二维电子气的横向光电效应研究

DOI:
10.1088/0268-1242/19/9/015
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发表时间:
2004
影响因子:
1.9
通讯作者:
P. Wyder
P. Wyder
中科院分区:
工程技术4区
文献类型:
--
作者:
van H Harm Zalinge;van der Rw Rob Heijden;J. Wolter;B. Özyilmaz;A. Böhm;P. Wyder

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聚焦激光光斑在二维电子气(2DEG)中产生的横向光电压(LP)可以产生载流霍尔条的电势分布。该分布的宽度,表现出在偶数整数填充因子的突然变化,是由2DEG的体积和边缘状态之间的平衡。的各向异性的表面形态和样品尺寸的影响报告。
The lateral photovoltage (LP) generated in a two-dimensional electron gas (2DEG) by a focussed laser spot has been shown to yield the potential distribution of a current carrying Hall-bar. The width of this distribution, which exhibits an abrupt change at even integer filling factors, is determined by the equilibration between the bulk and the edge states of the 2DEG. The effects of an anisotropic surface morphology and sample dimensions are reported.
探测量子霍尔体系中的局域电子态
DOI: --
发表时间: 2009
期刊:
影响因子: --
作者:
大塚朋廣;阿部英介;家泰弘;勝本信吾
通讯作者: 勝本信吾