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首页> 外文会议>Journal of Rare Earths vol.24 Spec. Issue March 2006 >Growth, Optical Properties and Defects of High-Doped Yb: Yal_3(BO_3)_4 Crystal
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Growth, Optical Properties and Defects of High-Doped Yb: Yal_3(BO_3)_4 Crystal

机译：高掺杂Yb：Yal_3（BO_3）_4晶体的生长，光学性质和缺陷

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摘要

High-doped Yb: YA1_3(BO_3)_4(Yb: YAB) crystals were grown by the flux method using K_2Mo_3O_(10) as the flux. The efficient segregation coefficient was measured by using EPMA. The absorption and fluorescence spectra was measured at room temperature and compared the spectral parameters with Yb: YAB of other Yb~(3+) concentrations. With the increase of the Yb~(3+) concentration, the main absorption and fluorescence peaks almost do not change, but the absorption coefficient and FWHM increase. The defects were investigated by using chemical etching method. The main defects are cracks, inclusions , dislocations and twins, which of them are more than low-doped crystals.
机译：以K_2Mo_3O_（10）为助熔剂，通过助熔剂法生长了高掺杂的Yb：YA1_3（BO_3）_4（Yb：YAB）晶体。有效偏析系数通过使用EPMA进行测量。在室温下测量吸收光谱和荧光光谱，并将光谱参数与其他Yb〜（3+）浓度的Yb：YAB进行比较。随着Yb〜（3+）浓度的增加，主吸收峰和荧光峰几乎没有变化，但吸收系数和半高宽均增加。使用化学蚀刻方法研究了缺陷。主要缺陷是裂纹，夹杂物，位错和孪晶，它们比低掺杂晶体要多。

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