Physics-Based Determination of Carrier Effective Mass Assumed in Density Gradient Model
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概要
- 論文の詳細を見る
In this paper, we describe the physics-based determination of the carrier effective mass assumed in a density gradient model (DGM). We show that the effective mass assumed in a conventional DGM corresponds to that along the quantization direction assumed in the Schrödinger–Poisson (SP) solver, and that the DGM produces a good quantum correction for a system with a smooth conduction band bottom profile. Assuming an abrupt jump in the conduction band bottom profile of a heterostructure system, the physics-based determination of parameters is required to obtain agreement with the SP solver result. Whether the physical meaning of the effective mass holds is examined for the two-fluid description of the DGM.
- Published by the Japan Society of Applied Physics through the Institute of Pure and Applied Physicsの論文
- 2006-02-15
著者
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Sato Shingo
Graduate School Of Engineering Hokkaido University
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Omura Yasuhisa
Graduate School Of Eng Kansai University
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Sato Shingo
Graduate School of Engineering, Kansai University, 3-3-35 Yamate-cho, Suita, Osaka 564-8680, Japan
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Omura Yasuhisa
Graduate School of Engineering, Kansai University, 3-3-35 Yamate-cho, Suita, Osaka 564-8680, Japan
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