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On the time delay of the photoplastic effect

Published online by Cambridge University Press:  03 March 2011

Joseph Pellegrino  and
J. M. Galligan
Joseph Pellegrino
Affiliation:
Department of Metallurgy and Institute of Materials Science, University of Connecticut, Storrs, Connecticut 06268
J. M. Galligan
Affiliation:
Department of Metallurgy and Institute of Materials Science, University of Connecticut, Storrs, Connecticut 06268
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Abstract

Photoplasticity in mercury cadmium telluride, Hg1-x Cdx Te with x = 0.3, has been studied as a function of light frequency and deformation temperature. We show that there is an easily measurable time delay accompanying irradiation of the crystal and the change in stress. This time delay is temperature dependent, suggesting a diffusion of charge carriers, introduced by the light, to the interior of the crystal. A simple analysis is given of the observed temperature dependence that is consistent with the experiments.

Type
Rapid Communications
Information
Journal of Materials Research , Volume 1 , Issue 1 , February 1986 , pp. 3 - 6
Copyright
Copyright © Materials Research Society 1986

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References

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