| 铌酸钾锂晶体的生长与性能 |
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| 引用本文： | 徐家跃,林雅芳,范世. 铌酸钾锂晶体的生长与性能[J]. 无机材料学报, 2000, 15(4): 747-750 |
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| 作者姓名： | 徐家跃 林雅芳 范世 |
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| 作者单位： | 中国科学院上海硅酸盐研究所，上海 200050 |
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| 基金项目： | 上海市青年科技启明星计划资助项目(95QE14029) |
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| 摘 要： | 使用坩埚下降法成功生长了尺寸为φ10mm50mm、四方钨青铜结构、透明铌酸钾锂晶体，讨论了引起晶体开裂的主要原因，研究了该晶体的光透过性能和介电性能，室温下该晶体的介电常数ε33=127，ε11=376，居里温度为380°
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| 关 键 词： | 铌酸钾锂晶体 坩埚下降法 晶体生长 激光器 |
| 文章编号： | 1000-324X(2000)04-0747-04 |
| 收稿时间： | 1999-08-20 |
| 修稿时间： | 1999-08-20 |
Growth and Properties of Potassium Lithium Niobate Single Crystals |
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| XU Jia-yue,LIN Ya-Fang,FAN Shi-Ji. Growth and Properties of Potassium Lithium Niobate Single Crystals[J]. Journal of Inorganic Materials, 2000, 15(4): 747-750 |
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| Authors: | XU Jia-yue LIN Ya-Fang FAN Shi-Ji |
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| Affiliation: | ShanghaiInstituteofCeramics;ChineseAcademyofSciences;Shanghai200050;China |
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| Abstract: | Potassium lithium niobate single crystals of 10mm in diameter and up to 45mm in length were grown by the modified Bridgman technique. The transmittance spectrum and dielectric property of as-grown crystal were measured. The wafer of as-grown KLN crystal has good transmittance from 400nm to 800nm. Dielectric constants 33 and 11 at room temperature are 127 and 376 respectively. The cleavage face and chemical inhomogeneity are the main factors of cracking |
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| Keywords: | spotassium lithium niobate crystal Bridgman method crystal growth property |
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