MAGNETIC-INTERACTIONS WITH CHARGE-CARRIERS IN III-V DILUTED MAGNETIC SEMICONDUCTORS

Authors
VANBOCKSTAL L VANESCH A BOGAERTS R HERLACH F VANSTEENBERGEN A DEBOECK J BORGHS G
Citation
L. Vanbockstal et al., MAGNETIC-INTERACTIONS WITH CHARGE-CARRIERS IN III-V DILUTED MAGNETIC SEMICONDUCTORS, Physica. B, Condensed matter, 246, 1998, pp. 258-261
Citations number
6
Categorie Soggetti
Physics, Condensed Matter
Journal title
Physica. B, Condensed matter → ACNP
ISSN journal
09214526
Volume
246
Year of publication
1998
Pages
258 - 261
Database
ISI
SICI code
0921-4526(1998)246:<258:MWCIID>2.0.ZU;2-H
Abstract
Using a low-temperature MBE growth procedure, Ga1-xMnxAs is obtained w ith Mn concentrations up to x approximate to 9%. At a temperature arou nd 50 K, a paramagnetic to ferromagnetic phase transition occurs as a result of the interaction between Mn-h complexes. A model based on a m ean-field approach explains the observed temperature dependence of the magnetisation. The magnetic behaviour is linked to the magnetotranspo rt features. (C) 1998 Elsevier Science B.V. All rights reserved.