摘要
在国内首次报道熔体提拉法生长Ｃｒ３＋∶ＬｉＣａＡｌＦ６晶体的研究．晶体生长工艺中不用ＨＦ流动气氛和铂金炉膛．研制出质量较好的尺寸达（２０—２５）ｍｍ×（９０—１２０）ｍｍ的晶体．测定了晶体对８０９ｎｍ红外波段的吸收系数μ为１０－２量级，晶体中无ＯＨ－．对于熔体的富Ｌｉ组成。
Single crystal of Cr3+∶LiCaAlF6 were grown for the first time in China by CZ technique without using pure Pt growth crucible and growing in a flowing atmosphere of HF. The dimension of crystals was up to (20—25)mm×(90—120)mm. The absorption coefficient of crystals at 809nm was 10-2cm-1 and no traces of OH- are found in the boules by infrared spectrum. Some problems, such as composition of melt enriched with LiF, oxidation of CrF3 and relationship between crystal defects and growth technology are discussed.
出处
《硅酸盐学报》
EI
CAS
CSCD
北大核心
1998年第2期243-248,共6页
Journal of The Chinese Ceramic Society
基金
国家自然科学基金
国家"863"高技术资助
关键词
掺铬
氟化铝钙锂
提拉法
晶体生长
缺陷
激光
aluminium calcium lithium fluoride doped with chromium, Czochralski technique, crystal growth, absorption coefficient, crystal defects
