Papers by Keyword: Lattice Vacancy

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Authors: W. Sprengel, Al. Rempel, F. Baier, K. Sato, Hans Eckhardt Schaefer
31
Authors: M.A. Müller, Al. Rempel, K.J. Reichle, W. Sprengel, J. Major, Hans Eckhardt Schaefer
70
Authors: Zi Ying Zhu, Renshu Chen, Yan Zhuang
613
Authors: Qian Chen, Kan Chen, Qing Chen, Qing Quan Xiao, Quan Xie
Abstract: A detailed theoretical study on the influence of lattice vacancy on structural and optical properties of the magnesium silicide Mg2Si has been performed based on the first-principles pseudopotential method. The results show that Mg2Si has changed from indirect band gap semiconductor to direct band gap semiconductor because of Mg vacancy. Compared with the dielectric function, absorption coefficient, refractive index, reflectivity and photon conductivity of Mg2Si, those peaks of Mg15Si8 appear from 0 to 1.8 eV. And the loss function’s biggest peak of Mg15Si8 moves to the direction of high energy.
581
Authors: W. Sprengel, X.Y. Zhang, Haruyuki Inui, Hans Eckhardt Schaefer
186
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