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《Journal of Southwest University(Natural Science Edition)》 2009-01
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A Study on Density of States and Magnetism of V-and Cr-Doped AlP Ferromagnetic Semiconductors

ZHOU Qing Dept. of Physics & Information Engineering,Chongqing University of Arts and Sciences,Yongchuan 402160,China  
The density of ground states and the magnetic properties of V-and Cr-doped zinc-blende AlP have been investigated with the first-principles plane-wave pseudopotential method within the generalized gradient approximation,based on the density functional theory. It is shown that the V-and Cr-doped zinc-blende AlP have clear ferromagnetism with a total magnetic moment of 2.0 and 3.0 μB per supercell,respectively,and have remarkable half-metallic properties. It may be useful in semiconductor industry for spin-carrier injection.
【Fund】: 重庆市教委科学技术研究资助项目(KJ081211 KJ071206);; 重庆文理学院科学技术研究资助项目(Y2006WX67 Y2008J25)
【CateGory Index】: O472.5
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