Synthesis of bulk high Tc superconductors of TlBa2Can -1CunO2n + 3 (n = 2 - 5)

S. Nakajima, M. Kikuchi, Y. Syono, T. Oku, D. Shindo, K. Hiraga, N. Kobayashi, H. Iwasaki, Y. Muto

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Abstract

Bulk specimens of high Tc superconductors of TlBa2Can - 1CunO2n + 3 (n = 2 - 5) have been synthesized by heat treatment up to 10 hours. Crystal structures were analyzed by X-ray powder diffraction and high resolution electron microscopy, and superconducting properties were determined by resistivity and DC susceptibility measurements. Tc increases with increasing number of Cu layers up to n = 4, where it turns down.

Original languageEnglish
Pages (from-to)471-476
Number of pages6
JournalPhysica C: Superconductivity and its applications
Volume158
Issue number3
DOIs
Publication statusPublished - 1989 May 1

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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