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Radiation Induced Impurity Precipitation in Mgo

Published online by Cambridge University Press:  28 February 2011

S. Clement  and
E. R. Hodgson
S. Clement
Affiliation:
Division de Fusion, Junta de Energia Nuclear, Madrid, Spain
E. R. Hodgson
Affiliation:
Division de Fusion, Junta de Energia Nuclear, Madrid, Spain
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Abstract

In MgO irradiated at high dose rates and high temperatures with 1.8 MeV electrons, a suppression of the Fe3+ optical absorption band at 290 nm is observed. This suppression, a function of both dose rate and temperature, is consistent with a reduction process induced by oxygen displacement damage. Both thermal and radiation enhanced diffusion are involved and lead to the formation of iron containing precipitates. Similar results have been obtained for Ni2+.

Type
Research Article
Information
MRS Online Proceedings Library (OPL) , Volume 60: Symposium L – Defect Properties and Processing of High-Technology Nonmetallic Materials , 1985 , 191
Copyright
Copyright © Materials Research Society 1986

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