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首页> 外文期刊>Inorganic materials >A Comparative Study of the Structure and Chemical Homogeneity of LiNbO_3:Mg(~5.3 mol %) Crystals Grown from Charges of Different Origins
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A Comparative Study of the Structure and Chemical Homogeneity of LiNbO_3:Mg(~5.3 mol %) Crystals Grown from Charges of Different Origins

机译:不同来源电荷生成的LiNbO_3:Mg(〜5.3 mol%)晶体的结构和化学同质性的比较研究

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摘要

LiNbO3:Mg(5.3 mol %) crystals grown from directly and homogeneously doped charges have been studied using a number of characterization techniques. Both crystals offer high chemical homogeneity, with an even Mg distribution over the boule. At the same time, the estimated effective distribution coefficient is larger in the homogeneously doped LiNbO3:Mg crystal. Moreover, the homogeneously doped crystal has a more ordered system of hydrogen bonds. Our results suggest that the distinctions between the fine structural features and chemical homogeneity of the crystals can be due to the effect of organic inclusions with rigid covalent bonds on the structure and physical characteristics of the growth charge prepared using a homogeneously doped Nb2O5:Mg precursor.
机译:已经使用多种表征技术研究了从直接均匀掺杂的电荷中生长的LiNbO3:Mg(5.3 mol%)晶体。两种晶体均具有很高的化学均匀性,镁在晶锭上的分布均匀。同时,在均匀掺杂的LiNbO3:Mg晶体中,估计的有效分配系数更大。而且,均匀掺杂的晶体具有更有序的氢键体系。我们的结果表明,晶体的精细结构特征和化学均匀性之间的区别可能是由于具有刚性共价键的有机夹杂物对使用均匀掺杂的Nb2O5:Mg前体制备的生长电荷的结构和物理特性的影响。

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