Characterization of the (Bi2-xSbx)Sr2CaCu2Oy system

W. J. Yu, Z. Q. Mao, L. Yang, C. Y. Xu, M. L. Tian, L. Shi, G. E. Zhou, Y. Zhang

Research output: Contribution to journalArticle

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Abstract

Samples of nominal composition (Bi2-xSbx)Sr2CaCu2Oy (0.1≤x≤0.3) are investigated. X-ray diffraction and electron diffraction show that the (Bi2-xSbx)Sr2CaCu2Oy system has a monoclinic phase with the lattice parameters a=21.73 A ̊, b=5.76 A ̊, c=19.32 A ̊ and β=95.0°, except for the tetragonal Bi-2212 phase. The results of energy dispersive X-ray spectroscopy reveal that Sb does not substitute for Bi in the Bi-2212 main structure, but forms the monoclinic phase of Bi4Sr4Ca2SbOy. The superconducting transition temperature, which is examined by electric resistance and AC magnet susceptibility, is constant at about 87 K. The reason why Sb cannot substitute for Bi in Bi2O2 layers has been discussed from the point of view of coordination.

Original languageEnglish (US)
Pages (from-to)135-138
Number of pages4
JournalPhysica C: Superconductivity and its applications
Volume244
Issue number1-2
DOIs
StatePublished - Mar 10 1995

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Electron diffraction
Superconducting transition temperature
Lattice constants
Magnets
substitutes
X ray diffraction
Chemical analysis
diffraction
lattice parameters
alternating current
x rays
magnets
electron diffraction
transition temperature
magnetic permeability
spectroscopy
X-Ray Emission Spectrometry
energy

All Science Journal Classification (ASJC) codes

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

Cite this

Yu, W. J. ; Mao, Z. Q. ; Yang, L. ; Xu, C. Y. ; Tian, M. L. ; Shi, L. ; Zhou, G. E. ; Zhang, Y. / Characterization of the (Bi2-xSbx)Sr2CaCu2Oy system. In: Physica C: Superconductivity and its applications. 1995 ; Vol. 244, No. 1-2. pp. 135-138.
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Yu, WJ, Mao, ZQ, Yang, L, Xu, CY, Tian, ML, Shi, L, Zhou, GE & Zhang, Y 1995, 'Characterization of the (Bi2-xSbx)Sr2CaCu2Oy system', Physica C: Superconductivity and its applications, vol. 244, no. 1-2, pp. 135-138. https://doi.org/10.1016/0921-4534(95)00031-3

Characterization of the (Bi2-xSbx)Sr2CaCu2Oy system. / Yu, W. J.; Mao, Z. Q.; Yang, L.; Xu, C. Y.; Tian, M. L.; Shi, L.; Zhou, G. E.; Zhang, Y.

In: Physica C: Superconductivity and its applications, Vol. 244, No. 1-2, 10.03.1995, p. 135-138.

Research output: Contribution to journalArticle

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T1 - Characterization of the (Bi2-xSbx)Sr2CaCu2Oy system

AU - Yu, W. J.

AU - Mao, Z. Q.

AU - Yang, L.

AU - Xu, C. Y.

AU - Tian, M. L.

AU - Shi, L.

AU - Zhou, G. E.

AU - Zhang, Y.

PY - 1995/3/10

Y1 - 1995/3/10

N2 - Samples of nominal composition (Bi2-xSbx)Sr2CaCu2Oy (0.1≤x≤0.3) are investigated. X-ray diffraction and electron diffraction show that the (Bi2-xSbx)Sr2CaCu2Oy system has a monoclinic phase with the lattice parameters a=21.73 A ̊, b=5.76 A ̊, c=19.32 A ̊ and β=95.0°, except for the tetragonal Bi-2212 phase. The results of energy dispersive X-ray spectroscopy reveal that Sb does not substitute for Bi in the Bi-2212 main structure, but forms the monoclinic phase of Bi4Sr4Ca2SbOy. The superconducting transition temperature, which is examined by electric resistance and AC magnet susceptibility, is constant at about 87 K. The reason why Sb cannot substitute for Bi in Bi2O2 layers has been discussed from the point of view of coordination.

AB - Samples of nominal composition (Bi2-xSbx)Sr2CaCu2Oy (0.1≤x≤0.3) are investigated. X-ray diffraction and electron diffraction show that the (Bi2-xSbx)Sr2CaCu2Oy system has a monoclinic phase with the lattice parameters a=21.73 A ̊, b=5.76 A ̊, c=19.32 A ̊ and β=95.0°, except for the tetragonal Bi-2212 phase. The results of energy dispersive X-ray spectroscopy reveal that Sb does not substitute for Bi in the Bi-2212 main structure, but forms the monoclinic phase of Bi4Sr4Ca2SbOy. The superconducting transition temperature, which is examined by electric resistance and AC magnet susceptibility, is constant at about 87 K. The reason why Sb cannot substitute for Bi in Bi2O2 layers has been discussed from the point of view of coordination.

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