Point and extended defects in superconductors

I. M. Obaidat; H. P. Goeckner; B. A. Albiss; J. S. Kouvel

doi:10.1002/crat.200711124

Point and extended defects in superconductors

I. M. Obaidat, H. P. Goeckner, B. A. Albiss, J. S. Kouvel

Department of Physics

Research output: Contribution to journal › Article › peer-review

6 Citations (Scopus)

Abstract

The effect of point defects created by y-irradiation and extended defects created by Pb-ion irradiation on the behavior of the critical current density, J_c in several superconductors have been investigated. We have found a limitation of the role of both types of defects on enhancing J_c. We report an explanation of the effect of yirradiation and Pb-ion irradiation doses on J_c in these materials. The explanation is based on combining several competing mechanisms of irradiation which we believe to take place mainly in the regions of the grain boundaries. The influences of these mechanisms were found to vary with the irradiation dose level.

Original language	English
Pages (from-to)	837-844
Number of pages	8
Journal	Crystal Research and Technology
Volume	43
Issue number	8
DOIs	https://doi.org/10.1002/crat.200711124
Publication status	Published - Aug 2008

Keywords

Columnar defects
Grain boundaries
Pb-ion irradiation
Point defects
Vortex pinning
γ-rays

ASJC Scopus subject areas

Chemistry(all)
Materials Science(all)
Condensed Matter Physics

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10.1002/crat.200711124

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abstract = "The effect of point defects created by y-irradiation and extended defects created by Pb-ion irradiation on the behavior of the critical current density, Jc in several superconductors have been investigated. We have found a limitation of the role of both types of defects on enhancing Jc. We report an explanation of the effect of yirradiation and Pb-ion irradiation doses on Jc in these materials. The explanation is based on combining several competing mechanisms of irradiation which we believe to take place mainly in the regions of the grain boundaries. The influences of these mechanisms were found to vary with the irradiation dose level.",

keywords = "Columnar defects, Grain boundaries, Pb-ion irradiation, Point defects, Vortex pinning, γ-rays",

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AU - Obaidat, I. M.

AU - Goeckner, H. P.

AU - Albiss, B. A.

AU - Kouvel, J. S.

PY - 2008/8

Y1 - 2008/8

N2 - The effect of point defects created by y-irradiation and extended defects created by Pb-ion irradiation on the behavior of the critical current density, Jc in several superconductors have been investigated. We have found a limitation of the role of both types of defects on enhancing Jc. We report an explanation of the effect of yirradiation and Pb-ion irradiation doses on Jc in these materials. The explanation is based on combining several competing mechanisms of irradiation which we believe to take place mainly in the regions of the grain boundaries. The influences of these mechanisms were found to vary with the irradiation dose level.

AB - The effect of point defects created by y-irradiation and extended defects created by Pb-ion irradiation on the behavior of the critical current density, Jc in several superconductors have been investigated. We have found a limitation of the role of both types of defects on enhancing Jc. We report an explanation of the effect of yirradiation and Pb-ion irradiation doses on Jc in these materials. The explanation is based on combining several competing mechanisms of irradiation which we believe to take place mainly in the regions of the grain boundaries. The influences of these mechanisms were found to vary with the irradiation dose level.

KW - Columnar defects

KW - Grain boundaries

KW - Pb-ion irradiation

KW - Point defects

KW - Vortex pinning

KW - γ-rays

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Point and extended defects in superconductors

Abstract

Keywords

ASJC Scopus subject areas

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