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掺杂InGaAs/InAlAs单量子阱中电子对称态和反对称态磁输运研究

Keywords: 单量子阱二维电子气输运迁移率载流子拍频现象掺杂电子对对称能级

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Abstract:

利用变温Hall测量研究了重掺杂InGaAs/InAlAs单量子阱中二维电子气,发现在量子阱中由于存在电子对称态和反对称态导致纵向电阻出现拍频现象。通过分析拍频节点位置,得到电子对称态和反对称态之间的能级间距为4meV。此外,通过迁移率谱方法和多载流子拟合过程研究了不同迁移率电子的浓度和迁移率随温度的变化关系。

References

[1]  【1】Datta S, Das B. Electronic analog of the electro-optic modulator [J]. Appl. Phys.Lett., 1990, 56(7): 665-667.
[2]  【2】Hu C M, Heitmann D. Bilayer quantum transistor [J]. Appl. Phys.Lett., 2000, 77(10): 1475-1477.
[3]  【3】Gui Y, Guo S, Zheng G, et al. Electron transport in the AlGaAs/InGaAs double-heterostructure pseudomorphic high-electron-mobility transistor [J]. Appl. Phys.Lett., 2000, 76(10): 1309-1311.
[4]  【1】方志丹,龚政,苗振华,牛智川,沈光地, "In0.2 Ga0.8 As-GaAs复合应力缓冲层上的1.3 μmInAs/GaAs自组织量子点",红外与毫米波学报 24, 324-327(2005)
[5]  【4】Das B, Miller D C, Datta S, et al. Evidence for spin splitting in InxGa1-xAs/In0.52Al0.48As heterostructures as B0 [J]. Phys. Rev. B, 1989, 39(2): 1411-1414.
[6]  【5】Skuras E, Kumar R, Williams R L, et al. Subband dependent mobilities and carrier saturation mechanisms in thin Si doping layers in GaAs in the high density limit [J]. Semicond. Sci. Technol., 1991, 6(6): 535-546.
[7]  【6】Brana A F, Diaz-Paniagua C, Batallan F, et al. Scattering times in AlGaN/GaN two-dimensional electron gas from magnetoresistance measurements [J]. J. Appl. Phys., 2000, 88(2): 932-937.
[8]  【7】Basu P, Nag B. Estimation of alloy scattering potential in ternaries from the study of two-dimensional electron transport [J]. Appl. Phys. Lett., 1983, 43(7): 689-691.

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