AgI-intercalation into Bi2Sr2CaCu2Oz compound

Y. Muraoka, N. Ohnishi, M. Nagoshi, Y. Morioka, M. Kikuchi, K. Hiraga, N. Kobayashi, Y. Syono

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Polycrystalline AgI-intercalated Bi2Sr2CaCu2Oz is prepared and the structure and physical properties studied. The lattice parameters a and c are determined to be 5.40 and 22.8 Å, respectively. The expansion of the lattice parameter c is 7.4 Å, compared with that of a Bi2Sr2CaCu2Oz (Bi2212) specimen (c/2: 15.4 Å). This expansion is more than twice as large as that of iodine-intercalation (3.6 Å). The EPMA measurement shows that the I/Ag ratio in the AgI-intercalated specimen is greater than 1.0. The Tc is 69 K, which is lower than that of Bi2212 (75 K) and almost the same as that of IBi2Sr2CaCu2Oz (IBi2212, 67 K). The effect of AgI-intercalation on the superconductivity is discussed.

Original languageEnglish
Pages (from-to)193-196
Number of pages4
JournalPhysica C: Superconductivity and its applications
Issue number1-4
Publication statusPublished - May 1996
Externally publishedYes

ASJC Scopus subject areas

  • Electronic, Optical and Magnetic Materials
  • Condensed Matter Physics
  • Energy Engineering and Power Technology
  • Electrical and Electronic Engineering

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    Muraoka, Y., Ohnishi, N., Nagoshi, M., Morioka, Y., Kikuchi, M., Hiraga, K., Kobayashi, N., & Syono, Y. (1996). AgI-intercalation into Bi2Sr2CaCu2Oz compound. Physica C: Superconductivity and its applications, 263(1-4), 193-196.