First-order transition between a small gap semiconductor and a ferromagnetic metal in the isoelectronic alloy FeSi1-xGex

Physical Review Letters

Volumn 89, Issue 25, 2002, Pages

  Anisimov, V I ^a,b   Hlubina, R ^a,c   Korotin, M A ^b   Mazurenko, V V ^a,b   Rice, T M ^a   Shorikov, A O ^a,b   Sigrist, M ^a  

^a ETH ZURICH   (Switzerland)

^b INSTITUTE OF METAL PHYSICS   (Russian Federation)

^c Physics and Informatics   (Slovakia)

Author keywords

[No Author keywords available]

Indexed keywords

APPROXIMATION THEORY; ELECTRONIC DENSITY OF STATES; ENERGY GAP; FERROMAGNETIC MATERIALS; GROUND STATE; MAGNETIC FIELD EFFECTS;

FIRST ORDER TRANSITION; ISOELECTRONIC ALLOY; SMALL GAP SEMICONDUCTOR;

IRON ALLOYS;

EID: 0037122299     PISSN: 00319007     EISSN: None     Source Type: Journal    
DOI: 10.1103/physrevlett.89.257203     Document Type: Article

References (20)

1. V. Jaccarino et al., Phys. Rev. 160, 476 (1967).
2. T. Mason et al., Phys. Rev. Lett. 69, 490 (1992).
3. D. Mandrus et al., Phys. Rev. B 51, 4763 (1995).
4. Y. Takahashi and T. Moriya, J. Phys. Soc. Jpn. 46, 1451 (1979).
5. S. N. Evangelou and D. M. Edwards, J. Phys. C 16, 2121 (1983).
6. L. F. Mattheiss and D. R. Hamann, Phys. Rev. B 47, 13 114 (1993).
7. V. I. Anisimov, S. Yu. Ezhov, I. S. Elfimov, I. V. Solovyev, and T. M. Rice, Phys. Rev. Lett. 76, 1735 (1996).
8. V. I. Anisimov, J. Zaanen, and O. K. Andersen, Phys. Rev. B 44, 943 (1991)
9. Vladimir I. Anisimov, F. Aryasetiawan, and A. I. Lichtenstein, J. Phys. Condens. Matter 9, 767 (1997).
10. B. Lebech, J. Bernhard, and T. Freltoft, J. Phys. Condens. Matter 1, 6105 (1989).
11. R. Wäppling and L. Häggström, Phys. Lett. 28A, 173 (1968).
12. L. Lundgren, K. Å. Blom, and O. Beckman, Phys. Lett. 28A, 175 (1968).
13. O. K. Andersen and O. Jepsen, Phys. Rev. Lett. 53, 2571 (1984)
14. O. K. Andersen, Z. Pawlowska, and O. Jepsen, Phys. Rev. B 34, 5253 (1986).
15. V. I. Anisimov et al. (to be published).
16. Because of the neglect of spin-orbit coupling in these calculations, the Dzyaloshinskii-Moria interactions that cause the long-period spiral order in FeGe are not included and ferromagnetic order results.
17. x alloys was calculated in the approximation, where in the TBLMTO calculation scheme [12] the potential parameters for nonmetallic atoms were taken as the corresponding average of the Si and Ge parameters.
18. Z. Fisk (private communication).
19. E. Dagotto, T. Hotta, and A. Moreo, Phys. Rep. 344, 1 (2001).
20. C. Pleiderer, S. R. Julian, and G. G. Lonzarich, Nature (London) 414, 427 (2001).