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首页> 外文期刊>Physica, B. Condensed Matter >Electronic structure of InAs/GaAs self-assembled quantum dots studied by high-excitation luminescence in magnetic fields up to 73 T
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Electronic structure of InAs/GaAs self-assembled quantum dots studied by high-excitation luminescence in magnetic fields up to 73 T

机译:在高达73 T的磁场中通过高激发发光研究InAs / GaAs自组装量子点的电子结构

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摘要

We report on high-excitation photoluminescence (PL) measurements of an ensemble of InAs/GaAs self-assembled quantum dots with large inter-shell spacing (75 meV) in magnetic fields up to 73 T. The PL spectra show a complex picture of levels splitting and crossings. A simple two-band single-particle model provides a good approximation to explain the observed magneto-PL spectra. (C) 2003 Elsevier B.V. All rights reserved.
机译:我们报告了InAs / GaAs自组装量子点的高激发光致发光(PL)测量,该量子点在高达73 T的磁场中具有较大的壳间距(75 meV)。PL光谱显示了复杂的能级图分裂和穿越。一个简单的两波段单粒子模型提供了一个很好的近似值,可以解释观察到的磁PL谱。 (C)2003 Elsevier B.V.保留所有权利。

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