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Difficulties in measuring electrical conductivities in highly insulating materials: Radiation-induced electrical degradation is an artifact

Published online by Cambridge University Press:  31 January 2011

W. Kesternich
W. Kesternich
Affiliation:
Institut für Festkörperforschung, Forschungszentrum Jülich, 52425 Jülich, Germany, and Association Euratom
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Abstract

Measurement of the electrical conductivity in high-resistance insulators is made difficult by previously unrecognized limits in the electric guarding technique. Electron irradiation experiments on single-crystalline Al2O3, performed for studying the effects of irradiation on the electrical conductivity, revealed that radiation-induced electrical degradation effects in ceramic insulators, previously reported to occur after electron, ion, and neutron irradiation, are an artifact.

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Articles
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Journal of Materials Research , Volume 15 , Issue 11 , November 2000 , pp. 2280 - 2283
Copyright
Copyright © Materials Research Society 2000

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