Superconductivity in Sn nanocomposites

Y. S. Ciou, M. K. Lee, E. V. Charnaya, C. Tien, L. J. Chang, Yu A. Kumzerov, M. I. Samoylovich

研究成果: Article

5 引文 斯高帕斯(Scopus)

摘要

An ac magnetization technique was used to study superconductivity in tin loaded nanoporous silica matrices, opal matrix and two porous glasses. The behavior of type-II superconductors with a sharp transition at zero bias field was observed. Regular increase in the superconducting temperature up to 4.2 K and in a critical field up to Hc2(0) ≅ 54 kOe with decreasing pore size was found. A crossover from the upturn to the common downturn curvature in the Hc2(T) line was seen for all nanocomposites; the upturn curvature was more pronounced for the matrix with the finest pores.

原文English
文章編號055009
期刊Superconductor Science and Technology
26
發行號5
DOIs
出版狀態Published - 2013 五月 1

All Science Journal Classification (ASJC) codes

  • Ceramics and Composites
  • Condensed Matter Physics
  • Metals and Alloys
  • Electrical and Electronic Engineering
  • Materials Chemistry

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    Ciou, Y. S., Lee, M. K., Charnaya, E. V., Tien, C., Chang, L. J., Kumzerov, Y. A., & Samoylovich, M. I. (2013). Superconductivity in Sn nanocomposites. Superconductor Science and Technology, 26(5), [055009]. https://doi.org/10.1088/0953-2048/26/5/055009