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Positorn annihilation study on point defects in lead tungstate 被引量:2
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作者 GU Mu TANG Xue-Feng +5 位作者 TONG Hong-Yong LIANG Ling yao ming-zhen CHEN Ling-Yan(Department of Physics, Tongji University, Shanghai 200092)LIAO Jing-Ying SHEN Ding-Zhong YIN Zhi-Wen(Laboratory of Functional Inorganic Materials, the Chinese Academy of Scien 《Nuclear Science and Techniques》 SCIE CAS CSCD 2000年第2期105-108,共4页
A study on point defects in lead tungstate (PbWO4) by using positron annihilation lifetime method is presented. The measurement was carried out for the cases of untreated, vacuum-annealed, oxygen- annealed and La-dope... A study on point defects in lead tungstate (PbWO4) by using positron annihilation lifetime method is presented. The measurement was carried out for the cases of untreated, vacuum-annealed, oxygen- annealed and La-doped PbWO4 crystals.It was found that the components τ2, which reflect the positron annihilation in point defects, are different from each other for each case. Some tentative models for the defects are discussed. 展开更多
关键词 钨酸铅晶体 钨酸盐 正微子湮没效应 氧缺陷 实验研究
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