Study on irradiation damage of yttria-stabilized zirconia single crystals using EPR and TEM

zu xiao-tao; feng xiang-dong; lei yu; zhu sha; wang lu-min

Volume 17 Issue 12

Dec. 2005

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Article Navigation > High Power Laser and Particle Beams > 2005 > 17(12): 0-

zu xiao-tao, feng xiang-dong, lei yu, et al. Study on irradiation damage of yttria-stabilized zirconia single crystals using EPR and TEM[J]. High Power Laser and Particle Beams, 2005, 17.

Citation:

zu xiao-tao, feng xiang-dong, lei yu, et al. Study on irradiation damage of yttria-stabilized zirconia single crystals using EPR and TEM[J]. High Power Laser and Particle Beams, 2005, 17.

zu xiao-tao, feng xiang-dong, lei yu, et al. Study on irradiation damage of yttria-stabilized zirconia single crystals using EPR and TEM[J]. High Power Laser and Particle Beams, 2005, 17.

Citation:

zu xiao-tao, feng xiang-dong, lei yu, et al. Study on irradiation damage of yttria-stabilized zirconia single crystals using EPR and TEM[J]. High Power Laser and Particle Beams, 2005, 17.

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Study on irradiation damage of yttria-stabilized zirconia single crystals using EPR and TEM

1.
Department of Applied Physics,University of Electronic Science and Technology of China,Chengdu 610054,China;
2.
Department of Physics,Sichuan University,Chengdu 610065,China;
3.
Department of Nuclear Engineering and Radiological Sciences,University of Michigan,Ann Arbor MI48109,USA

Publish Date: 2005-12-15

Abstract

Abstract

Electron paramagnetic resonance(EPR) and cross-sectional transmission electron microscopy were used to study defect structure and radiated damage mechanism. Single crystal samples of cubic zirconia stabilized by 9.5 mol.% Y2O3 (YSZ) were implanted with 200 keV Xe ions and 400 keV Cs ions up to a dose of 5×1016 cm-2, respectively. EPR spectra show the trigonal signal with g‖=1.989 and g⊥=1.869, which exhibites axial symmetry with ［111］ direction as symmetry axis composed of sixfold-coordinated Zr3+ sites. Peak-to-peak intensity (per unit volume) of Cs-ion irradiated YSZ is as about 150 time as that of Xe-ion irradiated YSZ, which indicates that the concentration of sixfold-coordinated Zr3+ defects produced by Cs-ion irradiation is far more than that of Xe-ion irradiated. The cross-sect
- ysz single crystal,
- ion irradiation,
- irradiation defects,
- electron paramagnetic resonance,
- tem

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