NEW MECHANISM OF F-F EXCHANGE INTERACTIONS CONTROLLED BY FERMI-LEVEL POSITION

Authors
STORY T GORSKA M LUSAKOWSKI A ARCISZEWSKA M DOBROWOLSKI W GRODZICKA E GOLACKI Z GALAZKA RR
Citation
T. Story et al., NEW MECHANISM OF F-F EXCHANGE INTERACTIONS CONTROLLED BY FERMI-LEVEL POSITION, Physical review letters, 77(16), 1996, pp. 3447-3450
Citations number
15
Categorie Soggetti
Physics
Journal title
Physical review letters → ACNP
ISSN journal
00319007
Volume
77
Issue
16
Year of publication
1996
Pages
3447 - 3450
Database
ISI
SICI code
0031-9007(1996)77:16<3447:NMOFEI>2.0.ZU;2-X
Abstract
Magnetic properties of Sn1-xGdxTe semimagnetic semiconductor reveal a strong dependence of antiferromagnetic exchange coupling between Gd sp ins on the concentration of carriers. We present a model explaining co nsistently both magnetic and transport properties of SnGdTe as caused by the resonant adjustment of the energy level of Gd 5d(1) electron st ates and the Fermi level.