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    題名: Spin splitting in bulk wurtzite AlN under biaxial strain
    作者: Kao, Hsiu-Fen;Lo, Ikai;Chiang, Jih-Chen;Lee, Meng-En;Wu, C. L.;Wang, W. T.;Chen, Chun-Nan;Hsu, Y. C.
    貢獻者: 淡江大學物理學系
    關鍵詞: aluminium compounds;band structure;Brillouin zones;compressive strength;III-V semiconductors;k.p calculations;LCAO calculations;spin-orbit interactions;tensile strength;wide band gap semiconductors
    日期: 2012
    上傳時間: 2013-04-26 10:50:49 (UTC+8)
    出版者: College Park: American Institute of Physics
    摘要: The spin-splitting energies in biaxially strained bulk wurtzite material AlN are calculated using the linear combination of atomic orbital (LCAO) method, and the equi-spin-splitting distributions in k-space near the minimum-spin-splitting (MSS) surfaces are illustrated. These data are compared with those derived analytically by two-band k · p (2KP) model. It is found that the results from these two methods are in good agreement for small k. However, the ellipsoidal MSS surface under biaxial compressive strain does not exist in the 2KP model, because the data points are far from the Γ point. Instead, three basic shapes of the MSS surface occur in the wurtzite Brillouin zone: a hyperboloid of two sheets, a hexagonal cone, and a hyperboloid of one sheet, evaluated from the LCAO method across the range of biaxial strains from compressive to tensile.
    關聯: Journal of Applied Physics 111(10), 103716(5pages)
    DOI: 10.1063/1.4720469
    顯示於類別:[物理學系暨研究所] 期刊論文


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