Hydrogen dominant metallic alloys: High temperature superconductors?

Physical Review Letters

Volumn 92, Issue 18, 2004, Pages

  Ashcroft, N W ^a,b  

^a Laboratory of Atomic and Solid State Physics and Sibley School of Mechanical and Aerospace Engineering   (United States)

^b DONOSTIA INTERNATIONAL PHYSICS CENTER DIPC   (Spain)

Author keywords

[No Author keywords available]

Indexed keywords

CARRIER CONCENTRATION; CRYSTALLIZATION; DIAMONDS; ELECTRIC CHARGE; FERMI LEVEL; HYDRIDES; HYDROGEN; MAGNESIUM COMPOUNDS; PRESSURE EFFECTS; PROTONS; SINGLE CRYSTALS; SUPERCONDUCTING TRANSITION TEMPERATURE; SUPERCONDUCTIVITY;

BOSONS; ELECTRONIC COUPLINGS; METALLIC ALLOYS; METALLIC PHASES; METALLIC STATES;

HIGH TEMPERATURE SUPERCONDUCTORS;

EID: 2942655370     PISSN: 00319007     EISSN: None     Source Type: Journal    
DOI: 10.1103/PhysRevLett.92.187002     Document Type: Article

References (32)

1. K. Shimizu, H. Ishikawa, D. Takao, T. Yagi, and K. Amaya, Nature (London) 419, 597 (2002).
2. V.V. Struzhkin, M. I. Eremets, W. Gan, H-K. Mao, and R. J. Hemley, Science 298, 1213 (2002).
3. S. Deemyad and J. S. Schilling, Phys. Rev. Lett. 91, 167001 (2003).
4. J. Nagamatsu, N. Nakagawa, T. Muranaka, Y. Zenitani, and J. Akimitsu, Nature (London) 410, 63 (2001).
5. N.W. Ashcroft, Phys. Rev. Lett. 21, 1748 (1968).
6. C. F. Richardson and N.W. Ashcroft, Phys. Rev. Lett. 78, 118 (1997).
7. For example, J. J. Gilman, Phys. Rev. Lett. 26, 546 (1971); A. W. Overhauser, Phys. Rev. B 35, 411 (1987); R. J. Wijngaarden et al., J. Alloys Compd. 308, 44 (2000).
8. For example, J. J. Gilman, Phys. Rev. Lett. 26, 546 (1971); A. W. Overhauser, Phys. Rev. B 35, 411 (1987); R. J. Wijngaarden et al., J. Alloys Compd. 308, 44 (2000).
9. For example, J. J. Gilman, Phys. Rev. Lett. 26, 546 (1971); A. W. Overhauser, Phys. Rev. B 35, 411 (1987); R. J. Wijngaarden et al., J. Alloys Compd. 308, 44 (2000).
10. 2, for example, the average electron density exceeds that of Mg under normal conditions by a factor of 3.2.
11. W. L. McMillan, Phys. Rev. 167, 331 (1968).
12. P. B. Allen and R. C. Dynes, Phys. Rev. B 12, 905 (1975).
13. A clear example of this may be seen in the case of compressed lithium where primary band gaps on the zone faces rapidly exceed the bandwidth itself. See J. B. Neaton and N.W. Ashcroft, Nature (London) 400, 141 (1999).
14. J. M. Ziman, Proc. R. Soc. London A226, 436 (1954); J. M. Ziman, Electrons and Phonons (Oxford University Press, New York, 1960).
15. J. M. Ziman, Proc. R. Soc. London A226, 436 (1954); J. M. Ziman, Electrons and Phonons (Oxford University Press, New York, 1960).
16. N.W. Ashcroft and J.W. Wilkins, Phys. Lett. 14, 785 (1965).
17. H-S. Wu, Z-Y. Weng, G. Ji, and Z-F. Zhou, J. Phys. Chem. Solids 48, 395 (1987).
18. G. Bergmann and D. Rainer, Z. Phys. 263, 59 (1973).
19. J. M. Rowell, Supercond. Sci. Technol. 16, R17 (2003).
20. K. R. Mountfield and R. D. Weir, J. Chem. Phys. 69, 774 (1978).
21. T. A. Grzybowski and A. L. Ruoff, Phys. Rev. Lett 53, 489 (1984).
22. A. Bergara, J.B. Neaton, and N.W. Ashcroft (unpublished).
23. S. Umemoto, T. Yoshii, Y. Akahama and H. Kawamura, J. Phys. Condens. Matter 14, 10675 (2002).
24. P. Hebert, A. Polian, P. Loubeyre, and R. Le Toullec, Phys. Rev. B 36, 9196 (1987).
25. N.W. Ashcroft, J. Phys. Condens. Matter 12, A129 (2000).
26. F. Datchi, P. Loubeyre, and R. Le Toullec, Phys. Rev. B 61, 6535 (2000).
27. S. Bonev et al. (to be published).
28. N.W. Ashcroft, in High Pressure Phenomena, Proceedings of the International School of Physics "Enrico Fermi," Course CXLVII, edited by R. J. Hemley and G. L. Chiarotti (IOS Press, Amsterdam, 2002), p. 151.
29. E. D. Maksimov and D.Yu. Savrasov, Solid State Commun. 119, 569 (2001).
30. 5OH is two-thirds hydrogen.
31. C. F. Richardson and N.W. Ashcroft, Phys. Rev. B 55, 15 130 (1997).
32. H. Rosner, A. Kitaigorodsky, and W. E. Pickett, Phys. Rev. Lett. 88, 127001 (2002).