Dependence of void nucleation on post-irradiation annealing temperature in a-A1_2O_3

查看全文 作　　者：XU Yong-Jun;FAN Zhi-Guol, LUO Qi’, WANG Rong’ I ZHU Jia-Zheng’, IWATA Tadao: MNAMISONO T;MATSUTA K;FUKUDA M;MIHARA M;HU Sheng-Yun ( China Institute of Atomic Enerpy, P. O. Box 275-50, Beijing 102413;Advanced Science Research Center JAERI, Ibaraki 319-

出　　处：《Nuclear Science and Techniques》索引2001年第12卷第1期,共4页

基　　金：the National Natural Science Foundation (No.19835050) and Nuclear industryScience Foundation (No.H7196BOll6) 摘　　要：The evolution of void nucleation inα-A12O3 irradiated by En ≥ 1 MeV neutrons of 3× 1020 cm-2 and post-annealed from 100°C to 1050°C is studied by a positron annihilation lifetime technique. The void nucleation starts at 500℃. The radius of created voids is 0.31 urn and the number of voids increases with increasing annealing temperature from 550℃ to 750℃. Afterwards, the radius of voids increases rapidly and reaches 1.21nm at 1050℃. 关键词：真空结晶成核辐照退火温度依赖关系

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Dependence of void nucleation on post-irradiation annealing temperature in a-A1_2O_3

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