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首页> 外文期刊>Journal of Crystal Growth >On the mechanism of impurity influence on growth kinetics and surface morphology of KDP crystals - II: experimental study of influence of bivalent and trivalent impurity ions on growth kinetics and surface morphology of KDP crystals
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On the mechanism of impurity influence on growth kinetics and surface morphology of KDP crystals - II: experimental study of influence of bivalent and trivalent impurity ions on growth kinetics and surface morphology of KDP crystals

机译:杂质对KDP晶体生长动力学和表面形态的影响机理研究-II:二价和三价杂质离子对KDP晶体生长动力学和表面形态影响的实验研究

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The experimental results of the influence of bivalent (Ni2+, Co2+, Fe2+, Mn2+, Ba2+, Ca2+, Sr2+) and trivalent (Fe3+, Mn3+, Y3+, La3+) impurity ions on growth rates and Surface morphology of potassium dihydrogen phosphate (KDP) crystal faces are presented and discussed. The analysis of the obtained results is performed in conjunction with the theoretical results presented in our previous paper (Rak et al., J. Crystal Growth) concerning modelling of structure of defect centres formed in KDP crystals by these impurities. It is found that the effect of Me3+ ions is caused mainly by their adsorption on crystal faces while, in case of Me2+ impurities, the ions incorporated into surface crystal layer and the lattice stresses generated by them play a leading role in the effect of bivalent impurities on growth kinetics and surface morphology (the structural mechanism of the impurity influence-SMII). (C) 2004 Elsevier B.V. All rights reserved.
机译:二价(Ni2 +,Co2 +,Fe2 +,Mn2 +,Ba2 +,Ca2 +,Sr2 +)和三价(Fe3 +,Mn3 +,Y3 +,La3 +)杂质离子对磷酸二氢钾(KDP)晶体生长速率和表面形态的影响的实验结果提出并讨论了面孔。结合我们先前的论文(Rak等人,J.Crystal Growth)中提出的有关这些杂质在KDP晶体中形成的缺陷中心的结构建模的理论结果,对获得的结果进行了分析。发现Me3 +离子的作用主要是由于它们吸附在晶体表面上,而对于Me2 +杂质,离子结合到表面晶体层中以及由它们产生的晶格应力在二价杂质的作用中起主要作用。生长动力学和表面形态(杂质影响的结构机理-SMII)。 (C)2004 Elsevier B.V.保留所有权利。

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