Dynamics of spin interactions in diluted magnetic semiconductor heterostructures

被引：2
|
作者：
Yakovlev, D. R. [1 ]
机构：
[1] Univ Dortmund, D-44221 Dortmund, Germany
[2] Russian Acad Sci, AF Ioffe Phys Tech Inst, St Petersburg 194021, Russia
来源：
PHYSICA STATUS SOLIDI A-APPLICATIONS AND MATERIALS SCIENCE | 2007年 / 204卷 / 01期
关键词：
D O I：
10.1002/pssa.200673024
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
This paper gives an overview of the recent studies of spin dynamics in diluted magnetic semiconductor heterostructures based on (Zn,Mn)Se and (Cd,Mn)Te. The spin dynamics is controlled by energy and spin transfer between systems of magnetic ions, lattice (phonon system) and free carriers. Spin-lattice relaxation time of the Mn spin system is a very strong function of the Mn content, it decreases by five orders of magnitude when the Mn content changes from 0.4 to I M Additionally this time can be tuned by the varying free carrier concentration and by the growth of heteromagnetic structures with inhomogeneous profile of Mn ions.
引用
收藏
页码：179 / 185
页数：7
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