English

应用科学学报 ›› 1993, Vol. 11 ›› Issue (4): 311-315.

• 论文 • 上一篇    下一篇

β-BaB2O4晶体缺陷的正电子湮没研究

林翔, 唐鼎元, 史子康   

  1. 中国科学院福建物质结构研究所
  • 收稿日期:1991-08-11 修回日期:1992-02-01 出版日期:1993-12-31 发布日期:1993-12-31

STUDY ON THE DEFECTS OF β-BaB2O4 SINGLE CRYSTAL BY POSITRON ANNIHILATION TECHNIQUE

LIN XIANQ, TANG DINGYUAN, SHI ZIKANG   

  1. Fujian Institute of Research on the Structure of Matter, Academia Stnica
  • Received:1991-08-11 Revised:1992-02-01 Online:1993-12-31 Published:1993-12-31

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摘要： 该文首次报道了利用正电子湮没寿命谱检测β-BaB2O4单晶的缺陷状况,并结合晶体的生长条件,晶体后处理等工艺,讨论了缺陷的形成机理.

关键词: 偏硼酸钡, 正电子湮没, 晶体生长, 晶体缺陷

Abstract: The defects of β-BaB2O4 single crystals were studied by means of the positron annihilation lifetime spectrum method for the first time. And the fo rmation of the defects were discussed in relation to the crystal growth conditions and annealing treatments.

Key words: crystal growth, barium metaborate, crystal defects, positron annihilation