Zero resistance at 117 K in Bi1.6Pb0.4Sr2Ca2Cu2+xOy compounds

Zhiqiang Mao, Liu Hongbao, Zhou Ling, Zhang Weijie, Mao Jian, Xue Bai, Li Biyou, Lu Jiang, Cao Liezhao, Ruan Yaozhong, Chen Zhaojia, Zhang Yuheng

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Abstract

In the Pb-doped Bi-Sr-Ca-Cu-O system, optimization of the composition and heat treatment conditions at which a greater amount of the high-Tcphase forms has been reported in our early paper [1], where the temperature of zero resistance was 107K. Recently, we have achieved zero resistance at 117 K and observed an a.c. susceptibility step at around 150 K by changing the Cu composition in the Bi1.6Pb0.4Sr2Ca2Cu2+xOy system (x=0, 0.4, 0.8, 1.2, and 1.6).

Original languageEnglish (US)
Pages (from-to)329-335
Number of pages7
JournalJournal of Superconductivity
Volume2
Issue number2
DOIs
StatePublished - Jun 1 1989

All Science Journal Classification (ASJC) codes

  • Electronic, Optical and Magnetic Materials
  • Condensed Matter Physics
  • Physics and Astronomy (miscellaneous)

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