Variation of the lattice parameters of a Bi-based superconductor with temperature

  • N. M. Hamdan*
  • , H. Özkan
  • , Kh A. Zig
  • , B. A. Albis
  • *Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

Abstract

Variation of the lattice parameters and thermal expansion coefficients of Bi-2223 superconductor have been measured from room temperature up to the melting point using X-ray diffraction. The lattice parameters (a and c) gradually increase up to about 250°C to 450°C the variation of the lattice parameters are quite anomalous, in that a remains almost constant while c decreases. From 450°C to 600°C both parameters gradually increase. Above 650°C the structure of Bi-2223 becomes unstable. The initial thermal expansion coefficient along the c-axis. Similar large anisotropy has also been observed in the measurements of the stress of Bi-2223.

Original languageEnglish
Pages (from-to)1235-1236
Number of pages2
JournalPhysica C: Superconductivity and its Applications
Volume235-240
Issue numberPART 2
DOIs
StatePublished - Dec 1994

Bibliographical note

Funding Information:
The authors would like to thank King Fahd Universityo f Petroleuma nd Mineralsf or the support. We are alsog ratefutl o Prof. Tayfur( ~ztiirk from the Departmenotf MetallurgicaEl ngineer-ing, Middle East TechnicaUl niversityfo r discussions and assistancien performingth e high tem-peratureX RD.

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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