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北京石油化工学院2026年研究生招生接收调剂公告
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响应版主的号召,发个paper show,文章中所用到的程序为nextnano3,到网上google一下就出来了哈!
1,作者:Hua-Zhong Guo(郭华忠,第一作者), Jie Gao, Chuan Lu
2,所在学校或单位:四川大学物理科学与技术学院介观与低维物理实验室
3,文章题目 :Three dimensional potential distribution and quantized acoustoelectric current for a AlGaAs/GaAs two-dimensional electron gas heterostructure
4,期刊名  :Journal of Applied Physics
5,年份,卷(期),起止页码 :2009, 105, 124302
6,影响因子 : 2.17
7,文章链接 :http://jap.aip.org/japiau/v105/i12/p124302_s1
8,摘要:We present the numerical results for the electrostatic potential distribution in AlGaAs/GaAs heterostructure with double split gates on the surface. The results are obtained from the self-consistent solution of the three dimensional Schrödinger–Poisson equation. The dependence of the potential on the applied gate voltages is discussed in detail. We pay special attention to the potential distribution along the electron transport direction in quasi-one-dimensional channel. The potential barrier heights calculated in the closed-channel-regime agree well with our experiment. The calculations show that the potential barrier height as a function of gate voltage differs strongly in the open-channel regime and the closed-channel regime. On the other hand, we calculate the quantized acoustic current by using the potential barrier obtained from self-consistent solution rather than using the simple analytical model. The results show that the quantized plateau accuracy is about 10^(−5)–10^(−4) within the minimum slope of the current plateau.

9,文章纳米盘链接:http://d.namipan.com/d/0ad9d6b4a ... 3487a65f92a33c50a00
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