The effect of gamma irradiation on the superconducting properties of GdBa2cu3o7-x

E. Sonder, L. A. Boatner, B. C. Chakoumakos, B. C. Sales

Research output: Contribution to journalArticlepeer-review

8 Scopus citations

Abstract

The effects of gamma irradiation on the superconducting properties of GdBa2Cu3O7-x have been investigated. No significant changes in the superconducting transition temperature Tc or the normal-state resistivity could be ascribed to the gamma irradiation, irrespective of the ambient gas, for gamma doses up to 1.8 × 1010 rad. This result contradicts two previous studies reported in the literature. Reasonable explanations for these discrepancies were developed based on the observed inherent sample-to-sample variations of Tc or the normal-state resistivity, the extreme sensitivity of these materials to inadvertent heating at temperatures as low as 200°C, and the tendency of these ceramics to develop microcracks with thermal cycling.

Original languageEnglish
Pages (from-to)171-174
Number of pages4
JournalMaterials Letters
Volume8
Issue number5
DOIs
StatePublished - Jun 1989
Externally publishedYes

Funding

Research sponsored by the Division of Materials Sciences, US Department of Energy under contract DE-AC05-840R2 1400 with Martin Marietta Energy Systems, Inc.

FundersFunder number
US Department of EnergyDE-AC05-840R2 1400
Division of Materials Sciences and Engineering

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