| 合成粉红色蓝宝石 |
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| 引用本文： | 陈庆汉,黄晋蓉. 合成粉红色蓝宝石[J]. 宝石和宝石学杂志, 2008, 10(2): 42-45 |
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| 作者姓名： | 陈庆汉 黄晋蓉 |
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| 作者单位： | 西南技术物理研究所,四川,成都,610041 |
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| 摘 要： | 天然粉红色蓝宝石是彩色蓝宝石中的名贵品种,特别是padparadscha蓝宝石,由于其产量稀少,市场价格十分昂贵.讨论了在研制合成掺Ti蓝宝石激光晶体时得到的一种副产品--合成粉红色蓝宝石(以Ti3 为主要着色离子)以及在其晶体生长过程中Ti3 离子价态的控制方法.介绍了运用晶体提拉法生长合成粉红色蓝宝石晶体的实验方法和过程.结果表明,带有明显紫色调的合成掺Ti蓝宝石样品通过在纯氢还原气氛中、1 920～1 950℃下恒温48 h的热处理后,可使其呈现类似于padparadscha蓝宝石的粉红色调,转变为粉红色蓝宝石.采用常规宝石学测试方法、能量色散X射线荧光光谱仪等对合成粉红色蓝宝石样品进行了宝石学特征分析.
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| 关 键 词： | 合成粉红色蓝宝石 离子价态 颜色 |
Synthetic Pink Sapphire |
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| CHEN Qing-han,HUANG Jin-rong. Synthetic Pink Sapphire[J]. Journal of Gems & Gemmology, 2008, 10(2): 42-45 |
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| Authors: | CHEN Qing-han HUANG Jin-rong |
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| Affiliation: | Southwest Institute of Technical Physics;Chengdu 610041;China |
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| Abstract: | Natural pink sapphire,especially padparadscha sapphire,is one of the precious kind in fancy sapphire and very expensive because of its rare yield.In the paper,it is discussed that the synthetic pink sapphire coloured by Ti3+ ions is gained as the by-product while synthetic Ti-doped sapphire laser crystals are studied,including the control method of the Ti3+ valence during the process of crystal growth.The experimental process and method of synthetic pink sapphire grown by the czochralski method are also int... |
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| Keywords: | Ti3 |
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