Upper critical field measurements using pulsed magnetic fields in Bi 1.6Pb0.4Sr2Ca2Cu2+xO y (x=0.8, 1.2, 1.6)

Mao Xianglei, Liu Hongbao, Du Quan, Zhang Weijie, Zhiqiang Mao, Zhou Ling, Wang Yu, Zhang Yuheng

Research output: Contribution to journalArticle

5 Citations (Scopus)

Abstract

Upper critical magnetic fields of the Bi1.6Pb 0.4Sr2Ca2Cu2+xOy system with x=0.8, 1.2, 1.6 were measured by a magnetoresistance method using a pulsed magnetic field. The Hc2(0) are estimated to be 45.9, 218 and 64.9 T for x=0.8, 1.2, 1.6, respectively. Hc1(T) for each composition was determined from magnetisation curves. The superconducting parameters xi , kappa and lambda were derived from experimental data. X-ray diffraction patterns show that there is no obvious change in structure. It is suggested that the coordination number of Cu strongly influences the superconductivity.

Original languageEnglish (US)
Article number015
Pages (from-to)2755-2758
Number of pages4
JournalJournal of Physics: Condensed Matter
Volume1
Issue number16
DOIs
StatePublished - Dec 1 1989

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Magnetic fields
Magnetoresistance
Superconductivity
coordination number
magnetic fields
Diffraction patterns
Magnetization
diffraction patterns
superconductivity
X ray diffraction
magnetization
curves
Chemical analysis
x rays

All Science Journal Classification (ASJC) codes

  • Materials Science(all)
  • Condensed Matter Physics

Cite this

Xianglei, Mao ; Hongbao, Liu ; Quan, Du ; Weijie, Zhang ; Mao, Zhiqiang ; Ling, Zhou ; Yu, Wang ; Yuheng, Zhang. / Upper critical field measurements using pulsed magnetic fields in Bi 1.6Pb0.4Sr2Ca2Cu2+xO y (x=0.8, 1.2, 1.6). In: Journal of Physics: Condensed Matter. 1989 ; Vol. 1, No. 16. pp. 2755-2758.
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abstract = "Upper critical magnetic fields of the Bi1.6Pb 0.4Sr2Ca2Cu2+xOy system with x=0.8, 1.2, 1.6 were measured by a magnetoresistance method using a pulsed magnetic field. The Hc2(0) are estimated to be 45.9, 218 and 64.9 T for x=0.8, 1.2, 1.6, respectively. Hc1(T) for each composition was determined from magnetisation curves. The superconducting parameters xi , kappa and lambda were derived from experimental data. X-ray diffraction patterns show that there is no obvious change in structure. It is suggested that the coordination number of Cu strongly influences the superconductivity.",
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Upper critical field measurements using pulsed magnetic fields in Bi 1.6Pb0.4Sr2Ca2Cu2+xO y (x=0.8, 1.2, 1.6). / Xianglei, Mao; Hongbao, Liu; Quan, Du; Weijie, Zhang; Mao, Zhiqiang; Ling, Zhou; Yu, Wang; Yuheng, Zhang.

In: Journal of Physics: Condensed Matter, Vol. 1, No. 16, 015, 01.12.1989, p. 2755-2758.

Research output: Contribution to journalArticle

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T1 - Upper critical field measurements using pulsed magnetic fields in Bi 1.6Pb0.4Sr2Ca2Cu2+xO y (x=0.8, 1.2, 1.6)

AU - Xianglei, Mao

AU - Hongbao, Liu

AU - Quan, Du

AU - Weijie, Zhang

AU - Mao, Zhiqiang

AU - Ling, Zhou

AU - Yu, Wang

AU - Yuheng, Zhang

PY - 1989/12/1

Y1 - 1989/12/1

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AB - Upper critical magnetic fields of the Bi1.6Pb 0.4Sr2Ca2Cu2+xOy system with x=0.8, 1.2, 1.6 were measured by a magnetoresistance method using a pulsed magnetic field. The Hc2(0) are estimated to be 45.9, 218 and 64.9 T for x=0.8, 1.2, 1.6, respectively. Hc1(T) for each composition was determined from magnetisation curves. The superconducting parameters xi , kappa and lambda were derived from experimental data. X-ray diffraction patterns show that there is no obvious change in structure. It is suggested that the coordination number of Cu strongly influences the superconductivity.

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