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挥发物对BBO晶体的腐蚀研究 被引量：1

Study on the Corrosive Effects of Volatiles on BBO Crystals
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摘要 采用顶部籽晶法 ,以NaF为助熔剂生长非线性光学晶体材料 β BaB2 O4(简称BBO)晶体。在生长过程中发现挥发物掉落在晶体表面并严重腐蚀晶体。通过X射线粉末衍射分析 ,发现挥发物的主要成分是NaF ,它不仅腐蚀晶体表面 ,而且引起晶体内部包裹物的形成。X射线衍射分析和质谱分析表明包裹物的主要成分是BaB2 O4,另有少量Na+ 存在。探讨了由挥发物引起晶体内部形成包裹物的机理。 BaB 2O 4 (BBO) crystals were grown with a top seeded growth method (TSGM) using NaF as a flux. During the crystal growth,NaF volatilized critically.The volatiles dropped on the surface of BBO crystals and caused the crystals to be corroded.Moreover,they resulted in some inclusions in the crystal.The X-ray powder diffractions show that the main composition of the volatiles is NaF,and that the inclusions mainly consist of BaB 2O 4 besides a few Na ions.The formation mechanism of the inclusions caused by the volatiles was also discussed.
作者 徐子颉
机构地区 中国科学院理化技术研究所
出处 《人工晶体学报》 EI CAS CSCD 北大核心 2003年第3期214-217,共4页 Journal of Synthetic Crystals
关键词 挥发物 BBO晶体 腐蚀 顶部籽晶法 NAF 助熔剂 β-BaB2O4 crystal TSGM volatile
分类号 O722 [理学—晶体学] O782.9 [理学—晶体学]
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参考文献3

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  • 1Fan S, Sheng G, Li J, Wang W. Industrial Growth of Large Size BGO Single Crystals [ J ]. Crystal Properties and Preparation, 1991,36-38: 42-44.
  • 2Xu Jiayue, Fan Shiji, Lu Baoliang. Growth of φ4" Li2 B4 O7 Single Crystals by Multi-crucible Bridgman Method[ J]. J. Crystal Growth, 2004, 264(1-3):260-265.
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  • 4Xu Jiayue,Fan Shiji,Lin Yafang, Xu Xuewu. Ferroelectric Potassium Lithium Niobate Crystals Grown by the Vertical Bridgman Method[J].Materials Science & Engineering B, 2001,85: 50-54.
  • 5Xu Jiayue,Tong Jian,Shi Minli,Wu Anhua,Fan Shiji. Flux Bridgman Growth of Pb[(Zn1/3Nb2/3)0.93Ti0. 07]O3 Piezocrytals[ J]. J. Crystal Growth ,2003,253: 274-279.
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  • 8Harada K, Shimanuki S, Kobayashi T, Saitoh S, Yamashita Y. Crystal Growth and Electric Properties of Pb [ ( Zn1/3 Nb2/3 ) 0.91 Ti0.09 ] O3 Single Crystals Produced by Solution Bridgman Method[J]. J. Am. Ceram. Soc. ,1998, 81(11): 2785-2788.
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人工晶体学报
2003年 第3期

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