| 提拉生长铌酸锶钠锂晶体的组分过冷及提高晶体品质的研究 |
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| 引用本文： | 肖超亮,陆坤权,诸伯连,王昌庆.提拉生长铌酸锶钠锂晶体的组分过冷及提高晶体品质的研究[J].物理学报,1981,30(12):1676-1680. |
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| 作者姓名： | 肖超亮 陆坤权 诸伯连 王昌庆 |
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| 作者单位： | 中国科学院物理研究所 |
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| 摘 要： | 本文采用厚晶体抛光、腐蚀、显微观察的方法研究提拉法生长晶体的组分过冷。在高温偏光下研究了铌酸锶钠锂晶体的结构转变温度。采用最佳的生长和工艺条件克服了铌酸锶钠锂晶体的组分过冷和内部生长条纹,提高了晶体的光学均匀性。
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| 收稿时间： | 1980-01-29 |
INVESTIGATION OF CONSTITUTIONAL SUPERCOOLING IN LITHIUM SODIUM STRONTIUM NIOBATE CRYSTALS GROWN BY CZOCHRALSKI METHOD AND IMPROVEMENT OF CRYSTAL QUALITY |
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| XIAO CHAO-MANG,LU KUN-QUAN,ZHU BO-LIAN and WANG CHANG-QING.INVESTIGATION OF CONSTITUTIONAL SUPERCOOLING IN LITHIUM SODIUM STRONTIUM NIOBATE CRYSTALS GROWN BY CZOCHRALSKI METHOD AND IMPROVEMENT OF CRYSTAL QUALITY[J].Acta Physica Sinica,1981,30(12):1676-1680. |
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| Authors: | XIAO CHAO-MANG LU KUN-QUAN ZHU BO-LIAN and WANG CHANG-QING |
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| Abstract: | The constitutional supercooling in single crystal grown by Czoehralski method has been studied by observing grind and polished and etched specimen with microscopy method. Structure transition temperature of the SNLN crystals has been studied under high temperature utilizing polarization lightmicroscope. The constitutional supercooling and internal growth striation in the SNLN crystals have been overcome and the optical homogeneity of the crystals have been improved by employing optimum growth condition and technique. |
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