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Kinetic anomalies of crystal growth: Development of methodical approaches and interpretations

机译:晶体生长的动力学异常:方法学方法和解释的发展

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摘要

Crystal growth rate in solutions is characterized by the so-called anomalies in the form of maxima and minima alternating with a change in temperature. This phenomenon was discovered by Sipyagin and Chernov in 1967. To date, it has been found for all thoroughly investigated materials. In this paper, the kinetic anomalies of electrochemical deposition of metals (Cu and Hg) from CuSO4 and Hg(NO3)(2) solutions are described for the first time. The data on the growth of CuSO4 center dot 5H(2)O crystals in a solution are reported. On the basis of comparison of the characteristics of anomalies for Cu-CuSO4 center dot 5H(2)O and Cu-Hg pairs, with due regard for the expected general and different features of the structure of solutions and adsorption layers, it is concluded that this phenomenon is caused by the structural alterations in the bulk of the solution with a significant influence of the adsorption layer.
机译:溶液中晶体的生长速率的特征是所谓的异常,其形式为最大值和最小值与温度变化交替出现。 Sipyagin和Chernov在1967年发现了这种现象。到目前为止,所有经过深入研究的材料都发现了这种现象。在本文中,首次描述了从CuSO4和Hg(NO3)(2)溶液中化学沉积金属(Cu和Hg)的动力学异常。报告了有关溶液中CuSO4中心点5H(2)O晶体生长的数据。在比较Cu-CuSO4中心点5H(2)O和Cu-Hg对的异常特征的基础上,适当考虑了溶液和吸附层结构的预期一般特征和不同特征,得出以下结论:这种现象是由于溶液的大部分结构发生变化而对吸附层产生重大影响。

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