Abstract

The thermal conditions for the preparation of GdBa2Cu3O6.5+δ ceramics from mixed oxides and carbonates have been investigated. XRD, SEM, and TEM studies together with resistivity data show a good correlation among the sintering temperature, the lattice parameters and Tc and the resistivity values. The better properties obtained upon sintering at 930°-940° C fit a correlation between the barium shift, the ordering of the oxygen ions as expected by the rhombicity values and the Tc.

Original languageEnglish (US)
Pages (from-to)421-428
Number of pages8
JournalMaterials Research Bulletin
Volume23
Issue number3
DOIs
StatePublished - Jan 1 1988

Fingerprint

sintering
Sintering
ceramics
preparation
electrical resistivity
Carbonates
mixed oxides
Barium
oxygen ions
Oxides
Lattice constants
barium
lattice parameters
carbonates
Ions
Oxygen
Transmission electron microscopy
transmission electron microscopy
Scanning electron microscopy
scanning electron microscopy

All Science Journal Classification (ASJC) codes

  • Materials Science(all)
  • Condensed Matter Physics
  • Mechanics of Materials
  • Mechanical Engineering

Cite this

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title = "Preparation variables for the GdBa2Cu3O6.5+δ superconductive ceramics",
abstract = "The thermal conditions for the preparation of GdBa2Cu3O6.5+δ ceramics from mixed oxides and carbonates have been investigated. XRD, SEM, and TEM studies together with resistivity data show a good correlation among the sintering temperature, the lattice parameters and Tc and the resistivity values. The better properties obtained upon sintering at 930°-940° C fit a correlation between the barium shift, the ordering of the oxygen ions as expected by the rhombicity values and the Tc.",
author = "N. Setter and Randall, {Clive A.} and Wenwu Cao and A. Bhalla",
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Preparation variables for the GdBa2Cu3O6.5+δ superconductive ceramics. / Setter, N.; Randall, Clive A.; Cao, Wenwu; Bhalla, A.

In: Materials Research Bulletin, Vol. 23, No. 3, 01.01.1988, p. 421-428.

Research output: Contribution to journalArticle

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T1 - Preparation variables for the GdBa2Cu3O6.5+δ superconductive ceramics

AU - Setter, N.

AU - Randall, Clive A.

AU - Cao, Wenwu

AU - Bhalla, A.

PY - 1988/1/1

Y1 - 1988/1/1

N2 - The thermal conditions for the preparation of GdBa2Cu3O6.5+δ ceramics from mixed oxides and carbonates have been investigated. XRD, SEM, and TEM studies together with resistivity data show a good correlation among the sintering temperature, the lattice parameters and Tc and the resistivity values. The better properties obtained upon sintering at 930°-940° C fit a correlation between the barium shift, the ordering of the oxygen ions as expected by the rhombicity values and the Tc.

AB - The thermal conditions for the preparation of GdBa2Cu3O6.5+δ ceramics from mixed oxides and carbonates have been investigated. XRD, SEM, and TEM studies together with resistivity data show a good correlation among the sintering temperature, the lattice parameters and Tc and the resistivity values. The better properties obtained upon sintering at 930°-940° C fit a correlation between the barium shift, the ordering of the oxygen ions as expected by the rhombicity values and the Tc.

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