Ferromagnetic ordering in dilute magnetic dielectrics with and without free carriers
Abstract
The state of art in the theoretical and experimental studies of transition metal doped oxides (dilute magnetic dielectrics) is reviewed. The available data show that the generic non-equilibrium state of oxide films doped with magnetic impurities may either favor ferromagnetism with high Curie temperature or result in highly inhomogeneous state without long-range magnetic order. In both case concomitant defects (vacancies, interstitial ions) play crucial part.
- Publication:
-
Journal of Magnetism and Magnetic Materials
- Pub Date:
- April 2009
- DOI:
- 10.1016/j.jmmm.2008.11.029
- arXiv:
- arXiv:0809.2005
- Bibcode:
- 2009JMMM..321..702K
- Keywords:
-
- 71.55.Gs;
- 71.35.Gg;
- 71.70.Gm;
- 75.50.Pp;
- II-VI semiconductors;
- Exciton-mediated interactions;
- Exchange interactions;
- Magnetic semiconductors;
- Condensed Matter - Materials Science;
- Condensed Matter - Strongly Correlated Electrons
- E-Print:
- 10 pages, 3 figures. The paper was presented at the Moscow Internation Symposium on Magnetism (MISM-08). To be published in Journ. Magnetism and Magnetic Materials