Skip to main content
SpringerLink
Log in

Mechanism of superconductivity in metal-oxide compounds

  • Elementary Particle Physics and Field Theory
  • Published:
Soviet Physics Journal Aims and scope

Abstract

A novel mechanism of superconductivity is suggested in materials with variable valence. The pairing of the conduction electrons is caused by their interaction with the virtual excitations of the dynamical short-range order, excitations describing the state of the ion subsystem, which exhibit a dual valence. An evaluation of the coupling constant of the electrons with these excitations λcon and of the transition temperature to the superconducting state Tc showed that λcon ∿ 100, Tc ∿ 100 K.

This is a preview of subscription content, log in via an institution to check access.

Access this article

Log in via an institution

Price excludes VAT (USA)
Tax calculation will be finalised during checkout.

Instant access to the full article PDF.

Institutional subscriptions

Similar content being viewed by others

Literature cited

  1. C. W. Chu, P. H. Hor, R. L. Meng, et al., Phys. Rev. Lett.,58, 405 (1987).

    Google Scholar 

  2. R. J. Cava, R. B. Van Dover, B. Batlog, and E. A. Reitman, Phys. Rev. Lett.,58, 408 (1987).

    Google Scholar 

  3. P. H. Hor, R. L. Meng, L. Gao, et al., Phys. Rev. Lett.,58, 908 (1987).

    Google Scholar 

  4. P. H. Hor, L. Gao, R. L. Meng, et al., Phys. Rev. Lett.,58, 911 (1987).

    Google Scholar 

  5. F. S. Pazavi, F. P. Koffyberg, and B. M. Mitrovic, Phys. Rev.,B35, 5323 (1987).

    Google Scholar 

  6. A. R. Moodenlaugh, M. Suenaga, T. Asano, et al., Phys. Rev. Lett.,58, 1885 (1987).

    Google Scholar 

  7. D. W. Murphy, S. Sunschine, R. B. Van Dover, et al., Phys. Rev. Lett.,58, 1887 (1987).

    Google Scholar 

  8. P. H. Hor, R. L. Meng, Y. Q. Wang, et al., Phys. Rev. Lett.,58, 1891 (1987).

    Google Scholar 

  9. G. Bednorz and K. A. Müller, Z. Phys.,64B, 189 (1987).

    Google Scholar 

  10. J. M. Tarascon, L. H. Green, and W. R. McKinnon, Science,235, 1373 (1987).

    Google Scholar 

  11. D. U. Gubser, R. A. Hein, and S. H. Lawrence, Phys. Rev.,B35, 5330 (1987).

    Google Scholar 

  12. V. E. Egorushkin and A. I. Murzashev, Fiz. Tverd. Tela,27, 3526 (1985).

    Google Scholar 

  13. S. V. Vonsovskii, Yu. A. Izyumov, and É. Z. Kurmaev, Superconductivity of Transition Metals, Their Alloys and Compounds [in Russian], Nauka, Moscow (1977).

    Google Scholar 

  14. V. E. Egorushkin and N. V. Melnikova, J. Phys. F.,17, 1379 (1987).

    Google Scholar 

  15. Khan Tsui-in, Private Communication.

  16. V. R. Galakhov, B. N. Goshitskii, et al., Fiz. Met. Metalloved.,63, 829 (1987).

    Google Scholar 

  17. P. B. Allen and R. C. Dynes, Phys. Rev.,B12, 905 (1975).

    Google Scholar 

  18. V. E. Egorushkin and R. A. Khon, Electronic Theory of the Transition Metal Alloys [in Russian], Nauka, Moscow (1985), p. 180.

    Google Scholar 

Download references

Author information

Authors and Affiliations

  1. Institute of Physics of Strength and Materials Studies, Tomsk Filial of the Siberian Branch, Academy of Sciences of the USSR, USSR

    V. E. Egorushkin & A. I. Murzashev

Authors
  1. V. E. Egorushkin
    View author publications

    You can also search for this author in PubMed Google Scholar

  2. A. I. Murzashev
    View author publications

    You can also search for this author in PubMed Google Scholar

Additional information

Translated from Izvestiya Vysshikh Uchebnykh Zavedenii, Fizika, No. 12, pp. 33–35, December, 1987.

Rights and permissions

Reprints and permissions

About this article

Cite this article

Egorushkin, V.E., Murzashev, A.I. Mechanism of superconductivity in metal-oxide compounds. Soviet Physics Journal 30, 1026–1028 (1987). https://doi.org/10.1007/BF00897914

Download citation

  • Received:

  • Issue Date:

  • DOI: https://doi.org/10.1007/BF00897914

Keywords

Search

Navigation