Table of Contents Author Guidelines Submit a Manuscript
Advances in Materials Science and Engineering
Volume 2013, Article ID 578434, 7 pages
http://dx.doi.org/10.1155/2013/578434
Research Article

SmBa2NbO6 Nanopowders, an Effective Percolation Network Medium for YBCO Superconductors

1Electronic Materials Research Laboratory, Department of Physics, Mar Ivanios College, Thiruvananthapuram, Kerala 695015, India
2Dielectric Materials Research Laboratory, Department of Physics, St. John’s College, Kollam District, Anchal, Kerala 691306, India

Received 30 May 2013; Accepted 29 August 2013

Academic Editor: John W. Gillespie

Copyright © 2013 S. Vidya et al. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

Linked References

  1. W. Gillijns, A. Y. Aladyshkin, A. V. Silhanek, and V. V. Moshchalkov, “Magnetic confinement of the superconducting condensate in superconductor-ferromagnet hybrid composites,” Physical Review B, vol. 76, no. 6, Article ID 060503, 2007. View at Publisher · View at Google Scholar · View at Scopus
  2. M. I. Petrov, D. A. Balaev, D. M. Gohfeld, S. V. Ospishchev, K. A. Shaihudtinov, and K. S. Aleksandrov, “Applicability of the theory based on Andreev reflection to the description of experimental current-voltage characteristics of polycrystalline HTSC+normal metal composites,” Physica C, vol. 314, no. 1, pp. 51–54, 1999. View at Publisher · View at Google Scholar · View at Scopus
  3. A. G. Mamalis, S. G. Ovchinnikov, M. I. Petrov et al., “Composite materials on high-Tc superconductors and BaPbO3, Ag basis,” Physica C, vol. 364-365, pp. 174–177, 2001. View at Publisher · View at Google Scholar · View at Scopus
  4. S. L. Huang, D. Dew-Hughes, D. N. Zheng, and R. Jenkins, “Effects of MgO addition on phase evolution and flux pinning of Bi-2212/Ag tapes fabricated by electrophoretic deposition and partial-melting processing,” Superconductor Science and Technology, vol. 9, p. 368, 1996. View at Google Scholar
  5. K. Matsumoto, H. Takewaki, Y. Tanaka et al., “Enhanced Jc properties in superconducting NbTi composites by introducing Nb artificial pins with a layered structure,” Applied Physics Letters, vol. 64, no. 1, pp. 115–117, 1994. View at Publisher · View at Google Scholar · View at Scopus
  6. N. McN Alfred, T. W. Button, and J. D. Birchall, “Processing, properties and devices in high-Tc superconductors,” Superconductor Science and Technology, vol. 3, p. 1, 1990. View at Publisher · View at Google Scholar
  7. A. Uarone and S. Pagano, in Proceedings of the International Conference on Superconductivity (ICSC '90), S. K. Joshi, C. N. R. Rao, and S. V. Subramanyam, Eds., p. 310, World Scientific, Singapore, 1990.
  8. T. Van Duzer, “Superconductor electronics,” Cryogenics, vol. 30, no. 12, pp. 980–995, 1990. View at Google Scholar · View at Scopus
  9. G. Deutscher and K. A. Muller, “Origin of superconductive glassy state and extrinsic critical currents in high-Tc oxides,” Physical Review Letters, vol. 59, article 1745, 1987. View at Publisher · View at Google Scholar
  10. T. K. Worthington, W. J. Gallagher, and T. R. Dinger, “Anisotropic nature of high-temperature superconductivity in single-crystal Y1Ba2Cu3O7-x,” Physical Review Letters, vol. 59, no. 10, pp. 1160–1163, 1987. View at Publisher · View at Google Scholar · View at Scopus
  11. M. P. A. Fisher, P. B. Weichman, G. Grinstein, and D. S. Fisher, “Boson localization and the superfluid-insulator transition,” Physical Review B, vol. 40, no. 1, pp. 546–570, 1989. View at Publisher · View at Google Scholar · View at Scopus
  12. M. P. A. Fisher, “Quantum phase transitions in disordered two-dimensional superconductors,” Physical Review Letters, vol. 65, pp. 923–926, 1990. View at Publisher · View at Google Scholar
  13. S. L. Sondhi, S. M. Girvin, J. P. Carini, and D. Shahar, “Continuous quantum phase transitions,” Reviews of Modern Physics, vol. 69, no. 1, pp. 315–333, 1997. View at Google Scholar · View at Scopus
  14. A. Finkelshtein, “Suppression of superconductivity in homogeneously disordered systems,” Physica B, vol. 197, pp. 636–648, 1994. View at Google Scholar
  15. S. Maekawa and H. Fukuyama, “Localization effects in two-dimensional superconductors,” Journal of the Physical Society of Japan, vol. 51, no. 5, pp. 1380–1385, 1982. View at Google Scholar · View at Scopus
  16. D. Belitz, “Relation between the Tc degradation and the correlation gap in disordered superconductors,” Phys. Rev. B, vol. 40, pp. 111–114, 1989. View at Publisher · View at Google Scholar
  17. K. V. Mitsen and O. M. Ivanenko, “Local structure, percolation and insulator-conductor transition in doped HTS,” Physica C, vol. 341-348, no. 2, pp. 1849–1850, 2000. View at Google Scholar · View at Scopus
  18. N. Marković, C. Christiansen, A. M. Mack, W. H. Huber, and A. M. Goldman, “Superconductor-insulator transition in two dimensions,” Physical Review B, vol. 60, no. 6, pp. 4320–4328, 1999. View at Google Scholar · View at Scopus
  19. Y. M. Strelniker, A. Frydman, and S. Havlin, “Percolation model for the superconductor-insulator transition in granular films,” Physical Review B, vol. 76, no. 22, Article ID 224528, 2007. View at Publisher · View at Google Scholar · View at Scopus
  20. J. Koshy, J. K. Thomas, J. Kurian, Y. P. Yadava, and A. D. Damodaran, “Superconducting YBa2Cu3O7-δ thick film (Tc(0) = 92 K) on SmBa2NbO6: a newly developed perovskite ceramic substrate,” Physica C, vol. 215, no. 1-2, pp. 209–212, 1993. View at Google Scholar · View at Scopus
  21. J. K. Thomas, J. Koshy, J. Kurian, Y. P. Yadava, and A. D. Damodaran, “Electrical transport and superconductivity in YBa2Cu3O7-δ -YBa2HfO5.5 percolation system,” Journal of Applied Physics, vol. 76, no. 4, p. 2376, 1994. View at Publisher · View at Google Scholar · View at Scopus
  22. K. V. Paulose, J. Koshy, and A. D. Damodaran, “YBa2NbO6: synthesis, properties and compatibility with YBa2Cu3O7-δ,” Physica C, vol. 193, no. 3-4, pp. 273–276, 1992. View at Google Scholar · View at Scopus
  23. D. Stauffer, “Scaling theory of percolation clusters,” Physics Reports, vol. 54, pp. 1–74, 1979. View at Publisher · View at Google Scholar
  24. J. P. Straley, “Scaling predictions for physical properties,” in Percolation Structures and Processes, G. Deutscher, R. Zallen, and J. Adler, Eds., p. 353, Israel Physical Society, 1983. View at Google Scholar
  25. J. J. Lin, W. Y. Lin, and R. F. Tsui, “Electrical transport and superconductivity in the Al2O3-Bi2Sr1.8Ca1.2Cu2Oy and MgO-Bi2Sr1.8Ca1.2Cu2Oy composites,” Physica C, vol. 210, pp. 455–462, 1993. View at Publisher · View at Google Scholar
  26. J. Kerteszi and T. Vicsek, in Sinteritzg Theory and Practice, D. Kolar, S. Iejovnik, and M. M. Ristic, Eds., p. 53, Elsevier Scientific, Amsterdam, The Netherlands, 1982.