Carrier induced ferromagnetic interactions and transport properties of p-Zn(1-x)MnxTe epilayers

被引:18
作者
Ferrand, D
Cibert, J
Wasiela, A
Bourgognon, C
Tatarenko, S
Fishman, G
Kolesnik, S
Jaroszynski, J
Dietl, T
Barbara, B
Dufeu, D
机构
[1] Univ Grenoble 1, CNRS, Spectrometrie Phys Lab, F-38042 St Martin Dheres, France
[2] Polish Acad Sci, Inst Phys, PL-02668 Warsaw, Poland
[3] CNRS, Lab Magnetisme Louis Neel, F-38042 Grenoble, France
关键词
D O I
10.1063/1.372735
中图分类号
O59 [应用物理学];
学科分类号
摘要
The conductivity and Hall effect of p-type doped Zn(1-x)MnxTe layers are described and analyzed in terms of a two-fluid model where part of the carriers are weakly localized as bound magnetic polarons. At low temperature, the Hall effect is dominated by the spin-dependent component (extraordinary Hall effect), in good agreement with a crude estimate taking into account the properties of the valence band. The long range ferromagnetic interaction appears to be induced by the weakly localized holes. (C) 2000 American Institute of Physics. [S0021-8979(00)82408-1].
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收藏
页码:6451 / 6453
页数:3
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