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氟硼铍酸钾晶体的生长、表面形貌和缺陷

Growth,Surface Morphology and Defects of KBe₂（BO₃）F₂ Crystal

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【Author】 ZHANG Jian xiu 1,ZHANG Cheng qian 1,2 ,HUANG Qing jie 1,JIANG Huai dong 1, HU Xiao bo 1,WANG Ji yang 1,WU Yi cheng 2,CHEN Chuang tian 2 (1.State Key Laboratory of Crystal Materials,Shandong University,Jinan 250100,China; 2.Beijing Center of Crystal R&D,Chinese Academy of Sciences,Beijing 100080,China) (Received 2 September 2002)

【机构】山东大学晶体材料国家重点实验室；中国科学院北京人工晶体研究发展中心；中国科学院北京人工晶体研究发展中心济南250100；济南250100中国科学院北京人工晶体研究发展中心；北京100080；济南250100；北京100080；

【摘要】采用自发成核方法 ,以KF B2 O3 为助溶剂 ,在KBBF∶KF∶B2 O3 为 1.5∶5 .0∶0 .8的体系中 ,较为重复地生长了尺寸较大的KBBF晶体 ,从中可加工出 10mm× 10mm× 1.5mm的样品供测试和非线性谐波输出应用。晶体的理想外形由 { 0 0 0 1}、{ 10 10 }、和 { 10 11}三组单形构成。其宏观缺陷主要为连生、孪生、包裹体 ,宏观生长台阶和条纹、开裂等。并观察了晶体的表面形貌更多还原

【Abstract】 Millimeter thick potassium belirium borate fluride (KBe 2(BO 3)F 2,KBBF) crystals were grown by using a spontaneous flux method with the ratio of KBBF∶KF∶B 2O 3(1.5∶5.0∶0.8) repeatedly.From the as grown crystals,samples up to the size 10mm×10mm×1.5mm can be fabricated for SHG and related experiments.The crystal habit consists of {0001}?{1010} and {1011} faces.The macroscopic defects of KBBF are mainly twin and coalescence crystal,inclusions,macrosteps,growth striations and cracks.Surface morphology was also observed.更多还原