Photoluminescence study on irradiated yttria stabilized zirconia
作者： R Halder , Pranesh Sengupta , V Sudarsan , A Ghosh , A Bhukta
DOI: 10.1016/J.JNUCMAT.2014.10.007
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摘要: Abstract The structural variations within monoclinic, tetragonal and cubic zirconia pellets with different amounts of yttria doping its subsequent exposure to various proton, silver ion gamma irradiation fluxes were investigated using photoluminescence spectroscopy. Upon color centers produced at doses >1015 ions/cm2 resulting in purple coloration. decrease intensity was observed for proton irradiated except (6YSZ: 6 mol% Y2O3 doped ZrO2). anomalous behaviour case may result from short range ordering oxygen vacancies around Zr ions occurring order relieve the stress/lattice distortions associated impingement.
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