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Some Irradiation Effects in Nonmetallic Crystals

Published online by Cambridge University Press:  06 March 2019

M.C. Wittels
Affiliation:
Oak Ridge National Laboratory, *Oak Ridge, Tennessee
F.A. Sherrill
Affiliation:
Oak Ridge National Laboratory, *Oak Ridge, Tennessee
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Abstract

Nonmetallic crystals with a variety of structures and chemical compositions have been exposed to fission spectrum neutrons in a core position of the Low Intensity Test Reactor (LITR), Oak Ridge, and examined by X-ray diffraction techniques. Wherever possible, single crystals were employed, and the neutron dosages ranged between 1019 and 1021 neutrons/cm2 at a temperature of approximately 85°C. In no case was a special technique used for examining radioactive materials because the problem of heavy induced radioactivity was greatly reduced by working withcrystals weighing a milligram or less. Both film and counter measurements were employed.

Type
Research Article
Copyright
Copyright © International Centre for Diffraction Data 1959

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References

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