THE CIRCULAR PHOTOGALVANIC EFFECT IN TWO-DIMENSIONAL HOLE GASES IN PERPENDICULAR MAGNETIC FIELD

被引：3

作者：

Vasyukov, D. A. ^{[1
]}

Plaut, A. S. ^{[1
]}

MacDonald, A. H. ^{[2
]}

Henini, M. ^{[3
]}

机构：

[1] Univ Exeter, Sch Phys, Exeter EX4 4QL, Devon, England

[2] Univ Texas Austin, Dept Phys, Austin, TX 78712 USA

[3] Univ Nottingham, Sch Phys & Astron, Nottingham NG7 2RD, England

来源：

INTERNATIONAL JOURNAL OF MODERN PHYSICS B | 2009年 / 23卷 / 12-13期

关键词：

Circular photogalvanic effect; Landau levels; 2D hole gas; QUANTUM-WELLS; SPIN; SEMICONDUCTOR;

D O I：

10.1142/S0217979209062475

中图分类号：

O59 [应用物理学];

学科分类号：

摘要：

We have measured the circular photogalvanic effect in a GaAs two-dimensional hole gas in zero and perpendicular magnetic field. The increase of the photoinduced voltage in very small magnetic field, when excited at fixed photon energy, demonstrates behavior reminiscent of that seen in anomalous Hall measurements on ferromagnets. The spectral dependence of the photoinduced voltage in magnetic field exhibits a series of maxima and minima that oscillate around zero volts. When plotted, the energy positions of these voltage peaks form a clear Landau-level-like fan chart.

引用

页码：2867 / 2871

页数：5

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