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

Authors
Ferrand, D Cibert, J Wasiela, A Bourgognon, C Tatarenko, S Fishman, G Kolesnik, S Jaroszynski, J Dietl, T Barbara, B Dufeu, D
Citation
D. Ferrand et al., Carrier induced ferromagnetic interactions and transport properties of p-Zn(1-x)MnxTe epilayers, J APPL PHYS, 87(9), 2000, pp. 6451-6453
Citations number
15
Categorie Soggetti
Apllied Physucs/Condensed Matter/Materiales Science
Journal title
JOURNAL OF APPLIED PHYSICS
ISSN journal
00218979 → ACNP
Volume
87
Issue
9
Year of publication
2000
Part
3
Pages
6451 - 6453
Database
ISI
SICI code
0021-8979(20000501)87:9<6451:CIFIAT>2.0.ZU;2-J
Abstract
The conductivity and Hall effect of p-type doped Zn(1-x)MnxTe layers are de scribed and analyzed in terms of a two-fluid model where part of the carrie rs are weakly localized as bound magnetic polarons. At low temperature, the Hall effect is dominated by the spin-dependent component (extraordinary Ha ll effect), in good agreement with a crude estimate taking into account the properties of the valence band. The long range ferromagnetic interaction a ppears to be induced by the weakly localized holes. (C) 2000 American Insti tute of Physics. [S0021-8979(00)82408-1].