Computer simulation of threshold radiation damage in rutile, Tio2
作者:
D.D. Richardson,
期刊:
Radiation Effects
(Taylor Available online 1983)
卷期:
Volume 79,
issue 1-4
页码: 75-85
ISSN:0033-7579
年代: 1983
DOI:10.1080/00337578308207397
出版商: Taylor & Francis Group
数据来源: Taylor
摘要:
Computer simulation methods have been used to study threshold radiation damage structures in rutile. It was found Ti ions have threshold energies much larger than O ions. Basal plane displacements for oxygen were shown to be complex, and focuson behaviour was only found at energies several times the threshold energy. Oxygen ions do not have simple interstitials or vacancies, but rather a three-ion crowdion and divacancy-interstitial combination were found, respectively. Threshold energies were found to be highly dependent on crystallographic direction, being as low as 10 eV in one instance, but often much higher. Oxygen ions were seen to defocus along thec-axis.
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