本文报道了Ca3(VO4)2晶体的生长,指出了由于局部区域温度过高引起原料分解产生气泡,光加热浮动熔区法不适合于生长这种晶体.采用了Czochralski法在合适的温场、提拉速度为3mm/h、转速10～20r/min等工艺条件下成功地长出了φ24×38mm的晶体.通过适当的温度梯度和退火条件解决了晶体生长和加工过程中的炸裂问题.
参考文献
| [1] | Johnson L F;Ballman A A .Coherent Emission From Rare Earth Ions in Electrooptic Crystals[J].Journal of Applied Physics,1969,40:297-302. |
| [2] | 陆宝生.NYAB复合功能晶体的研究[J].人工晶体,1987(03):195. |
| [3] | 陆宝生.（NdxY1-x）Al3（BO3）4晶体生长和性质[J].人工晶体,1986(03):164. |
| [4] | 江爱栋.熔盐法生长掺钕硼酸铝钇单晶[J].人工晶体,1988(03):278. |
| [5] | Wang Jun et al.Self-activating and Self-frequency-doubling (NdxY1-x)Al3(BO3)4 Multi-functional Crystal Growth and Its Optical Properties[J].Journal of Shandong University,1986,21(14) |
| [6] | Glass A M;Abrahams S C;Ballman A A .Calcium Orthovanadate,Ca3(VO4)2-A New High-Temperature Ferroelectric[J].Ferroelectrics,1978,17(03):393-398. |
| [7] | Haussuhl S;Liebertz J .Elastic,Thermoelastic,Piezoelectric,Linear Electrooptic,Dielectric,and Pyroelectric Properties of Trigonal Ca3(VO4)2 Single Crystal[J].Zeitschrift Fur Kristallographie,1978,148(08):87-93. |
| [8] | 赵志伟,姜彦岛.生长正钒酸钙晶体Ca3（VO4）2的原料制备[J].人工晶体学报,1999(04):350-353. |
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