Methods of introducing lead into bismuth-2223 and their effects on phase development and superconducting properties

S. E. Dorris, B. C. Prorok, Michael T. Lanagan, N. B. Browning, M. R. Hagen, J. A. Parrell, Y. Feng, A. Umezawa, D. C. Larbalestier

Research output: Contribution to journalArticle

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Abstract

The specific method of introducing lead significantly influences the phase development and superconducting properties of Pb-doped Bi2Sr2Ca2Cu3Ox (BSCCO-2223) Ag-sheathed powder-in-tube tapes. This is demonstrated in a study of tapes made from a series of powder mixtures containing the phases Bi1.8PbzSr2.0Ca1.0Cu2.0 O8 (2212), Ca2PbO4, Ca2CuO3, and CuO, where the lead content of 2212, z, was varied from 0.0 to 0.4. The overall composition of each mixture was the same, (Bi1.8Pb0.4Sr2.0Ca2.0Cu 3.0O10), and the amounts of each phase were varied to compensate for changes in z. In an additional mixture made from lead-free 2212, Ca2CuO3, and CuO, all lead was added as PbO. A significantly more complete 2223 formation, sharper transition temperatures, and higher critical current densities were seen when all lead was incorporated in the 2212 phase, rather than being added as either PbO or Ca2PbO4.

Original languageEnglish (US)
Pages (from-to)163-172
Number of pages10
JournalPhysica C: Superconductivity and its applications
Volume223
Issue number1-2
DOIs
StatePublished - Apr 1 1994

Fingerprint

Bismuth
bismuth
Lead
Powders
Tapes
tapes
Critical current density (superconductivity)
Superconducting transition temperature
critical current
transition temperature
current density
tubes
Chemical analysis

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

Dorris, S. E. ; Prorok, B. C. ; Lanagan, Michael T. ; Browning, N. B. ; Hagen, M. R. ; Parrell, J. A. ; Feng, Y. ; Umezawa, A. ; Larbalestier, D. C. / Methods of introducing lead into bismuth-2223 and their effects on phase development and superconducting properties. In: Physica C: Superconductivity and its applications. 1994 ; Vol. 223, No. 1-2. pp. 163-172.
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Methods of introducing lead into bismuth-2223 and their effects on phase development and superconducting properties. / Dorris, S. E.; Prorok, B. C.; Lanagan, Michael T.; Browning, N. B.; Hagen, M. R.; Parrell, J. A.; Feng, Y.; Umezawa, A.; Larbalestier, D. C.

In: Physica C: Superconductivity and its applications, Vol. 223, No. 1-2, 01.04.1994, p. 163-172.

Research output: Contribution to journalArticle

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AU - Prorok, B. C.

AU - Lanagan, Michael T.

AU - Browning, N. B.

AU - Hagen, M. R.

AU - Parrell, J. A.

AU - Feng, Y.

AU - Umezawa, A.

AU - Larbalestier, D. C.

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N2 - The specific method of introducing lead significantly influences the phase development and superconducting properties of Pb-doped Bi2Sr2Ca2Cu3Ox (BSCCO-2223) Ag-sheathed powder-in-tube tapes. This is demonstrated in a study of tapes made from a series of powder mixtures containing the phases Bi1.8PbzSr2.0Ca1.0Cu2.0 O8 (2212), Ca2PbO4, Ca2CuO3, and CuO, where the lead content of 2212, z, was varied from 0.0 to 0.4. The overall composition of each mixture was the same, (Bi1.8Pb0.4Sr2.0Ca2.0Cu 3.0O10), and the amounts of each phase were varied to compensate for changes in z. In an additional mixture made from lead-free 2212, Ca2CuO3, and CuO, all lead was added as PbO. A significantly more complete 2223 formation, sharper transition temperatures, and higher critical current densities were seen when all lead was incorporated in the 2212 phase, rather than being added as either PbO or Ca2PbO4.

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