Journal
JOURNAL OF THE AUSTRALIAN CERAMIC SOCIETY
Volume 54, Issue 1, Pages 33-38Publisher
SPRINGER
DOI: 10.1007/s41779-017-0123-x
Keywords
Nuclear matrix; Pyrochlore; Alpha irradiation
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Funding
- 320 keV platform of Institute of Modern Physics, Chinese Academy of Sciences
- National Natural Science Foundation of China [21507105]
- Key Project of Sichuan Education Department [15ZB0116]
- Doctor Foundation in Southwest University of Science and Technology [10zx7126]
- Foundation of Fundamental Science on Nuclear Wastes and Environmental Safety Laboratory
- Southwest University of Science and Technology [15yyhk10]
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For application in nuclear waste management, it is essential to study the self-irradiation effect in long-term deep geological disposal repository. In this study, accelerated irradiation experiment was conducted on Nd2Zr2O7 pyrochlore matrix by using 0.5 MeV He2+ ions with fluences ranging from 1 x 10(14) to 1 x 10(17) ions/cm(2). A series of results figure out that Nd2Zr2O7 matrix transforms from pyrochlore into fluorite after radiation experiment and some weak structural disordering is led with intensified irradiation. Moreover, the surface micrography shows slight changes after irradiation.
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