国产BaF_2(La)晶体闪烁性能的研究  

Investigation of the Scintillation Properties of Domestic BaF_2(La)Crystal

作　　者：张天保[1] 祝玉灿[1] 王海东[1] 王亚东 任绍霞[2] 肖红 张瑾[2] 

机构地区：[1]中国科学院高能物理研究所,北京100039 [2]北京玻璃研究所,北京100062

出　　处：《高能物理与核物理》1991年第6期481-485,共5页High Energy Physics and Nuclear Physics

摘　　要：在BaF_2中掺入1％mol的LaF_3结晶出BaF_2(La)晶体,经测试,此晶体闪烁发光快成份的强度比纯BaF_2晶体不减弱,而发光慢成份被抑制约4倍,耐辐照能力可以达到10~6rad,表明新晶体有希望满足未来高能物理实验的要求。BaF_2(La) crystal has been grown with 1% mole of LaF_3 doped in BaF_2 and the scintil- lation properties of the new crystal have been investigated before and after a γ irradiation of ^(60)Co source. The radiation resistance of the domestic crystal can be up to a dose of 10~6 rad. Comparing with a pure BaF_2 scintillator, it was found that the fast component of the BaF_2(La) scintillator was almost no change but its slow component was suppressed to a factor of 4.

关 键 词：BaF2 晶体 闪烁 发光 

分 类 号：O734.3[理学—晶体学]