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Precipitation behavior of Xe at grain boundaries in Si3N4 ceramic during implantation at elevated temperature SCIE SCOPUS

Title
Precipitation behavior of Xe at grain boundaries in Si3N4 ceramic during implantation at elevated temperature
Authors
HEO, YOON UKTakeguchi, MasakiMitsuishi, KazutakaSong, MinghuiNakayama, YoshikoFuruya, Kazuo
Date Issued
2010-02
Publisher
Elsevier BV
Abstract
Upon implantating of Xe ions into silicon nitride ceramic at 800 degrees C, the precipitation of Xe at grain boundaries (GBs) was observed. Transmission electron microscopy, high-angle annular dark-field scanning transmission electron microscopy, and electron energy-loss spectroscopy analyses showed that the precipitates at GBs were amorphous Xe nanoparticles. The Xe precipitates grew and coalesced with each other upon post implantation annealing. Crack paths that formed in the samples clue to ex situ mechanical stress with and Without Xe implantation were also investigated, and the change in crack paths by the presence or the evaporation of Xe precipitates at GB was confirmed.
URI
https://oasis.postech.ac.kr/handle/2014.oak/105768
DOI
10.1016/j.jnucmat.2009.12.018
ISSN
0022-3115
Article Type
Article
Citation
Journal of Nuclear Materials, vol. 397, no. 1-3, page. 122 - 127, 2010-02
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