Theoretical evidences for enhanced superconducting transition temperature of CaSi2 in a high-pressure AlB2 phase

Journal of the Physical Society of Japan

Volumn 77, Issue 10, 2008, Pages

  Nakanishi, Akitaka ^a   Ishikawa, Takahiro ^a   Nagara, Hitose ^a   Kusakabe, Kouichi ^a  

^a OSAKA UNIVERSITY   (Japan)

Author keywords

AlB2 structure; CaSi2; Electron phonon interaction

Indexed keywords

EID: 54349086836     PISSN: 00319015     EISSN: 13474073     Source Type: Journal    
DOI: 10.1143/JPSJ.77.104712     Document Type: Article

References (29)

1. M. Affronte, O. Laborde, G. L. Olcese, and A. Palenzona: J. Alloys Compd. 274 (1998) 68.
2. D. B. McWhan, V. B. Compton, M. S. Silverman, and J. R. Soulen: J. Less-Common Met. 12 (1967) 75.
3. S. Sanfilippo, H. Elsinger, M. Núncombining double acute accentez-Regueiro, O. Laborde, S. LeFloch, M. Affronte, G. L. Olcese, and A. Palenzona: Phys. Rev. B 61 (2000) R3800.
4. P. Bordet, M. Affronte, S. Sanfilippo, M. Núncombining double acute accentez-Regueiro, O. Laborde, G. L. Olcese, A. Palenzona, S. LeFloch, D. Levi, and M. Hanfland: Phys. Rev. B 62 (2000) 11392.
5. K. Kusakabe, T. Ogitsu, and S. Tsuneyuki: J. Phys.: Condens. Matter 10 (1998) 11561.
6. J. Nagamatsu, N. Nakagawa, T. Muranaka, Y. Zenitani, and J. Akimitsu: Nature 410 (2001) 63.
7. J. H. Weaver, A. Franciosi, and V. L. Moruzzi: Phys. Rev. B 29 (1984) 3293.
8. S. Fahy and D. R. Hamann: Phys. Rev. B 41 (1990) 7587.
9. G. Satta, G. Profeta, F. Bernardini, A. Continenza, and S. Massidda: Phys. Rev. B 64 (2001) 104507.
10. J. L. Wang, Z. Zeng, and Q. Q. Zheng: Physica C 408-410 (2004) 264.
11. P. Hohenberg and W. Kohn: Phys. Rev. 136 (1964) B864.
12. W. Kohn and L. J. Sham: Phys. Rev. 140 (1965) A1133.
13. J. P. Perdew, J. A. Chevary, S. H. Vosko, K. A. Jackson, M. R. Pederson, D. J. Singh, and C. Fiolhais: Phys. Rev. B 46 (1992) 6671.
14. D. Vanderbilt: Phys. Rev. B 41 (1990) 7892.
15. S. Baroni, A. Dal Corso, S. de Gironcoli, P. Giannozzi, C. Cavazzoni, G. Ballabio, S. Scandolo, G. Chiarotti, P. Focher, A. Pasquarello, K. Laasonen, A. Trave, R. Car, N. Marzari, and A. Kokalj: http://www.pwscf.org
16. M. Parrinello and A. Rahman: Phys. Rev. Lett. 45 (1980) 1196.
17. S. Y. Savrasov and D. Y. Savrasov: Phys. Rev. B 54 (1996) 16487, and the references therein.
18. P. Blaha, K. Schwarz, G. K. H. Madsen, D. Kvasnicka, and J. Luitz: WIEN2k: An Augmented Plane Wave + Local Orbitals Program for Calculating Crystal Properties (Karlheinz Schwarz, Tech. Universities Wien, Austria, 2001) ISBN 3-9501031-1-2.
19. T. Ishikawa, A. Ichikawa, H. Nagara, M. Geshi, K. Kusakabe, and N. Suzuki: Phys. Rev. B 77 (2008) 020101.
20. S. Baroni, S. de Gironcoli, A. Dal Corso, and P. Giannozzi: Rev. Mod. Phys. 73 (2001) 515.
21. H. J. Monkhorst and J. D. Pack: Phys. Rev. B 13 (1976) 5188.
22. J. Kortus, I. I. Mazin, K. D. Belashchenko, V. P. Antropov, and L. L. Boyer: Phys. Rev. Lett. 86 (2001) 4656.
23. G. M. Eliashberg: Zh. Eksp. Teor. Fiz. 38 (1960) 966
24. [Translation: Sov. Phys. JETP 11 (1960) 696].
25. P. B. Allen and R. C. Dynes: Phys. Rev. B 12 (1975) 905.
26. c ≃ 25 K, which is close to the known value obtained with approximations same as the present study.
27. K.-P. Bohnen, R. Heid, and B. Renker: Phys. Rev. Lett. 86 (2001) 5771.
28. S. U. Maheswari, H. Nagara, K. Kusakabe, and N. Suzuki: J. Phys. Soc. Jpn. 74 (2005) 3227.
29. J. Kondo: Prog. Theor. Phys. 29 (1963) 1.