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

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

doi:10.1016/0167-577X(89)90185-7

The effect of gamma irradiation on the superconducting properties of GdBa₂cu₃o_7-x

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

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8 Scopus citations

Abstract

The effects of gamma irradiation on the superconducting properties of GdBa₂Cu₃O_7-x have been investigated. No significant changes in the superconducting transition temperature T_c 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 T_c 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 language	English
Pages (from-to)	171-174
Number of pages	4
Journal	Materials Letters
Volume	8
Issue number	5
DOIs	https://doi.org/10.1016/0167-577X(89)90185-7
State	Published - Jun 1989
Externally published	Yes

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.

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10.1016/0167-577X(89)90185-7

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title = "The effect of gamma irradiation on the superconducting properties of GdBa2cu3o7-x",

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.",

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T1 - The effect of gamma irradiation on the superconducting properties of GdBa2cu3o7-x

AU - Sonder, E.

AU - Boatner, L. A.

AU - Chakoumakos, B. C.

AU - Sales, B. C.

PY - 1989/6

Y1 - 1989/6

N2 - 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.

AB - 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.

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SP - 171

EP - 174

JO - Materials Letters

JF - Materials Letters

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ER -

The effect of gamma irradiation on the superconducting properties of GdBa₂cu₃o_7-x

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