Fermi-suface evolution by transition-metal substitution in the iron-based superconductor LaFeAsO

Journal of the Physical Society of Japan

Volumn 80, Issue 12, 2011, Pages

  Konbu, Shun ^a   Nakamura, Kazuma ^a,b   Ikeda, Hiroaki ^c   Arita, Ryotaro ^a,b  

^a UNIVERSITY OF TOKYO   (Japan)

^b JAPAN SCIENCE AND TECHNOLOGY AGENCY   (Japan)

^c KYOTO UNIVERSITY   (Japan)

Author keywords

Impurity effect; Iron based superconductor; Pairing mechanism

Indexed keywords

EID: 82455193800     PISSN: 00319015     EISSN: 13474073     Source Type: Journal    
DOI: 10.1143/JPSJ.80.123701     Document Type: Article

References (23)

1. Y. Kamihara, T. Watanabe, M. Hirano, and H. Hosono: J. Am. Chem. Soc. 130 (2008) 3296.
2. For a recent review on iron-based superconductors, see e.g., J. Paglione and R. L. Greene: Nat. Phys. 6 (2010) 645.
3. K. Nakamura, R. Arita, and H. Ikeda: Phys. Rev. B 83 (2011) 144512.
4. A. S. Sefat, R. Jin, M. A. McGuire, B. C. Sales, D. J. Singh, and D. Mandrus: Phys. Rev. Lett. 101 (2008) 117004.
5. H. Wadati, I. Elfimov, and G. A. Sawatzky: Phys. Rev. Lett. 105 (2010) 157004.
6. N. Ni, A. Thaler, A. Kracher, J. Q. Yan, S. L. Bud'fko, and P. C. Canfield: Phys. Rev. B 80 (2009) 024511.
7. T. Kawamata, E. Satomi, Y. Kobayashi, M. Itoh, and M. Sato: J. Phys. Soc. Jpn. 80 (2011) 084720.
8. The present calculations do not consider configuration averages over the impurity position, which will generate smearing of the density of states.
9. W. Ku, T. Berlijn, and C.-C. Lee: Phys. Rev. Lett. 104 (2010) 216401;
10. T. Berlijn, D. Volja, and W. Ku: Phys. Rev. Lett. 106 (2011) 077005.
11. J. P. Perdew, K. Burke, and M. Ernzerhof: Phys. Rev. Lett. 77 (1996) 3865.
12. J. Yamauchi, M. Tsukada, S. Watanabe, and O. Sugino: Phys. Rev. B 54 (1996) 5586.
13. N. Troullier and J. L. Martins: Phys. Rev. B 43 (1991) 1993.
14. L. Kleinman and D. M. Bylander: Phys. Rev. Lett. 48 (1982) 1425.
15. N. Marzari and D. Vanderbilt: Phys. Rev. B 56 (1997) 12847;
16. I. Souza, N. Marzari, and D. Vanderbilt: Phys. Rev. B 65 (2001) 035109.
17. The broken C4 symmetry for 25% doping is attributed to the shape of 2-1-1 supercell.
18. H. Kontani and S. Onari: Phys. Rev. Lett. 104 (2010) 157001;
19. T. Saito, S. Onari, and H. Kontani: Phys. Rev. B 82 (2010) 144510.
20. I. I. Mazin, D. J. Singh, M. D. Johannes, and M. H. Du: Phys. Rev. Lett. 101 (2008) 057003;
21. K. Kuroki, S. Onari, R. Arita, H. Usui, H. Kontani, Y. Tanaka, and H. Aoki: Phys. Rev. Lett. 101 (2008) 087004.
22. S. Onari and H. Kontani: Phys. Rev. Lett. 103 (2009) 177001.
23. T. Kariyado and M. Ogata: J. Phys. Soc. Jpn. 79 (2010) 033703.