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PCS of high-Tc and other uncommon superconductors

  • Yu. G. Naidyuk
  • I. K. Yanson
Part of the Springer Series in Solid-State Sciences book series (SSSOL, volume 145)

Abstract

The high-Tc superconductors are distinguished by their high anisotropic properties, extreme sensitivity to the stoichiometry and oxygen contents, the short mean free path, and the coherence length. The two latter points make it difficult to apply directly for those materials mentioned in Chapter 3 both the Kulik—Omelyanchouk or the BTK theory for investigation of critical Josephson current or gap structure by S-c-S weak links and the Kulik—Omelyanchouk—Shekhter theory for study of the EPI interaction. The above-mentioned theories are developed for clean (or diffusive) contacts with the size both well below the coherence length and the inelastic mean free path. Moreover, non-s-wave symmetries of the superconducting order parameter, as well as the non-electron—phonon mediating pairing mechanism are discussed by explanation of the experimental results in the high-Tc materials. Therefore, it is not clear a priori whether it is possible to extract spectral information about the bulk properties of the high-Tc materials by the point contacts. However, as mentioned in the previous chapter (see also Fig. 12.5), the energy-resolved spectroscopy of quasiparticles may take place also for the dirty S-c-N and S-c-S contacts at some condition. The mechanism of emergence of singularities in the spectra caused by the inelastic interaction between the carriers and phonons or other quasiparticles is not completely clear. It is obviously connected with partial suppression of the superconducting order parameter, e. g., by the nonequilibrium phonons with the small group velocities (∂ω/∂q = 0) and the large density of states leading to the threshold in the excess current. The typical behavior of such phonon singularities in the spectra is their robustness to temperature change and the magnetic field rise. Contrary, the position of the superconducting features caused by reaching the critical current density for some “weak-links” or produced by the heating effects strongly depends on these external parameters, especially at temperatures close to Tc.

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References

  1. Akimenko A. I., Goll G., von Löhneysen H. and Gudimenko V. A. (1992) Phys. Rev. B 46 6409.ADSCrossRefGoogle Scholar
  2. Akimenko A. I., Goll G., Yanson I. K., von Löhneysen H., Ahrens R., Wolf T. and Wühl H. (1991) Z. Phys. B 85 5.ADSCrossRefGoogle Scholar
  3. Akimenko A. I., Ponomarenko N. M., Gudimenko V. A., Yanson I. K., Samuely P. and Kus P. (1989) Soy. J. Low Temp. Phys. 15 686.Google Scholar
  4. Aminov B. A., Wehler D., Müller G., Piel H., Hein M. A., Heinrichs H., Brandt N. B., Chang Sun Hu, Ponomarev Ya. G., Tsokur E. B., Chesnokov S. N., Yusupov K. Ch., Yarygin A. V., Winzer K., Rosner K. and Wolf T. (1994) JETP Lett 60 429.ADSGoogle Scholar
  5. Belushkin A. V., Goremychkin E. A., Natkaniec I., Sashin I. L. and Zajaz W. (1989) Physica B 156 and 157 906.CrossRefGoogle Scholar
  6. Bullock M., Zaretsky J., Stassis C., Goldma A., Canfield P., Honda Z., Shirane G. and Shapiro S. M. (1998) Phys. Rev. B 57 7916.ADSCrossRefGoogle Scholar
  7. Choi H. J., Roundy D., Sun H., Cohen M. L., and Louie S. G. (2002) Nature (London) 418, 758.ADSCrossRefGoogle Scholar
  8. Deutscher G. (1999) Nature 397 411.ADSCrossRefGoogle Scholar
  9. Ekino T. (1992) Soy. J. Low Temp. 18 399.Google Scholar
  10. Elesin V. F., Sinchenko A. A., Ivanov A. A. and Galkin S. G. (1993) Physica C 213 490.ADSCrossRefGoogle Scholar
  11. Go11.
    G., Seemann K., Bräuchle G., von Löhneysen H. Erb A., Müller-Vogt G., Akimenko A. I. and Yanson I. K. (1992) Sov. J. Low Temp. 18 415.Google Scholar
  12. Gonnelli R. S., Daghero D., Ummarino G. A., Stepanov V. A., Jun J., Kazakov S. M. and Karpinski J. (2002) Phys. Rev. Lett. 89, 247004.Google Scholar
  13. Hoevers H. F. C., van Bentum P. J. M., van de Leemput L. E. C., van Kempen H., Schellingerhout A. J. G. and van der Marel D. (1988) Physica C 152 105.ADSCrossRefGoogle Scholar
  14. Kamarchuk G. V., Khotkevich A. V., Kolesnichenko Yu. A., Pokhodnya K. I. and Tuluzov I. G. (1994) J. Phys.: Condens. Matter 6 3559.Google Scholar
  15. Kortus J., Mazin I. I., Belashchenko K. D., Antropov V. P. and Boyer L. L. (2001) Phys. Rev. Lett 86, 4656.ADSCrossRefGoogle Scholar
  16. Kulik I. O. (1988) Sov. J. Low Temp.Phys. 14 116.Google Scholar
  17. Laube F., Goll G., von Lohneysen H., Fogelstrom M. and Lichtenberg M. (2000) Phys. Rev. Lett. 84, 1595.ADSCrossRefGoogle Scholar
  18. Liu A. Y., Mazin I. I. and Kortus J. (2001) Phys. Rev. Lett. 87, 087005. Maeno Y., Hashimoto H., Yoshida K., Nishizaki S., Fujita T., Bednorz J. G., and Lichtenberg F. (1994) Nature (London) 372 532.ADSGoogle Scholar
  19. Nagamatsu J., Nakagawa N., Muranaka T., Zenitani Y. and Akimitsu J. (2001) Nature 410, 63.ADSCrossRefGoogle Scholar
  20. Naidyuk Yu. G. Yanson I. K., Tyutrina L. V., Bobrov N. L., Chubov P. N, Kang W. N., Kim H. J., Choi E.-M. and Lee S.-I. (2002) JETP Lett. 75, 238.ADSCrossRefGoogle Scholar
  21. Nowack A. (1990) Ph.-D. Thesis, Köln. (unpublished )Google Scholar
  22. Now ack A., Poppe U., Weger M., Schweitzer D. and Schwenk H. (1987) Z. Phys. B 68 41.ADSCrossRefGoogle Scholar
  23. Omolyanchouk A. N., Beloborod’ko S. I. and Kulik I. O. (1988) Soy. J. Low lemp. Phys. 14 630.Google Scholar
  24. Plecenik A., Grajcar M., Benacka S., Seidel P. and Pfuch A. (1994) Phys. Rev. B B 49 10016.Google Scholar
  25. Plecenik A., Grajcar M., Seidel P., Nebel R., Schmauder T., Benacka S. and Darula M. (1996) Physica B 218 209.ADSCrossRefGoogle Scholar
  26. Rybiltchenko L. F., Fisun V. V., Bobrov N. L., Yanson I. K., Bon-d.rrenko A. V. and Obolenskii M. A. (1991) Soy. J. Low Temp. Phys. 1 T 105.Google Scholar
  27. Ryb i,ltchenko L. F., Yanson I. K., Bobrov N. L., Fisun V. V., Obolen-sl:ii M. A., Bondarenko A. V., Tret’yakov Yu. D., Kaul A. R. and Graboi I. E. (1990) Sov. J. Low Temp. Phys. 16 30.Google Scholar
  28. Ryb;ritchenko L. F., Yanson I. K., Jansen A. G. M., Mandai P., Wyder P., Mmy C. V. and McK Paul D. (1996a) Physica B 218 189.ADSCrossRefGoogle Scholar
  29. Rybaltchenko L. F., Yanson I. K., Jansen A. G. M., Mandai P., Wyder P., T>my C. V. and McK Paul D. (1996b) Europhys. Lett. 33 483.Google Scholar
  30. Rybaltchenko L. F., Yanson I. K., Jansen A. G. M., Wyder P., Mandal P. ar.d Mandai J. B. (1996c) Physica B 218 220.ADSCrossRefGoogle Scholar
  31. Szab5 P., Samuely P., Kacmareik J., Klein Th., Marcus J., Furchart D., Miragila S., Marcenat C. and Jansen A. G. M. (2001) Phys. Rev. Lett. 81’, 137005.Google Scholar
  32. van;ion P. C., van Kempen H. and Wyder P. (1987) Phys. Rev. Lett. 59 2226.ADSCrossRefGoogle Scholar
  33. Weger M., Nowack A. and Schweitzer D. (1992) Soy. J. Low Temp. Phys. 18. 403.Google Scholar
  34. Yansn I. K., Bobrov N. L., Tomy C. V. and McK Paul D. (2000) Physica C. 334 33; ibid. 152.Google Scholar
  35. Yans m I. K., Fisun V. V., Jansen A. G. M., Wyder P., Canfield P. C., Cho B. K, Tomy C. V. and McK Paul D. (1997) Phys. Rev. Lett. 78 935.ADSCrossRefGoogle Scholar
  36. Yansm I. K., Rybaltchenko L. F., Bobrov N. L. and Fisun V. V. (1987a) Soy. J. Low Temp. Phys. 13 315.Google Scholar
  37. Yanson I. K., Rybaltchenko L. F., Fisun V. V., Bobrov N. L., Kirzh-ner V. M., Tret’yakov Yu. D., Kaul A. R. and Graboi I. E. (1988b) Soy.Google Scholar
  38. J. Low Temp. Phys. 14 402.Google Scholar
  39. Yanson I. K., Rybaltchenko L. F., Fisun V. V., Bobrov N. L., Obolen-sk;i M. A., Brandt N. B., Moshchalkov V. V., Tret’yakov Yu. D., Kaul A. R. and Graboi I. E. (1987b) Sov. J. Low Temp. Phys. 13 315.Google Scholar
  40. Yanson I. K., Rybaltchenko L. F., Fisun V. V., Bobrov N. L., Obolen-skii M. A., Tret’yakov Yu. D., Kaul A. R. and Graboi I. E. (1989) Sov. J. Low Temp. Phys. 15 445.Google Scholar
  41. Zimmermann U, Abens S., Dikin D., Keck K. and Wolf T. (1996) Physica B 218 205.ADSCrossRefGoogle Scholar

Copyright information

© Springer Science+Business Media New York 2005

Authors and Affiliations

  • Yu. G. Naidyuk
    • 1
  • I. K. Yanson
    • 1
  1. 1.B. Verkin Institute for Low Temperature Physics and EngineeringNational Academy of Sciences of UkraineKharkivUkraine

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