Growth kinetics and micromorphology of NH _4Cl:Mn ~(2+) crystals formed in the NH _4Cl-MnCl _2-H _2O- CONH _3 system

Pyankova L.A.; Punin Yu.O.; Bocharov S.N.; Shtukenberg A.G.

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Growth kinetics and micromorphology of NH _4Cl:Mn ~(2+) crystals formed in the NH _4Cl-MnCl _2-H _2O- CONH _3 system

机译：在NH _4Cl-MnCl _2-H _2O- CONH _3系统中形成的NH _4Cl：Mn〜（2+）晶体的生长动力学和微观形貌

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The growth kinetics and elementary growth processes on the surface of NH _4Cl:Mn ~(2+) heterogeneous crystals formed in the NH _4Cl-MnCl _2-H _2O-CONH _3 system are experimentally studied. It is found that a change in the composition of complexes in an NH _4Cl crystal from Mn(NH _4) _2Cl _4 · 2H _2O to MnCl _2 · 2CONH _3 leads to the occurrence of a local maximum in the kinetic curve and a change in the shape of dislocation growth centers from flat to conical. The growth kinetics of {100} faces of heterogeneous NH _4Cl:Mn ~(2+) crystals is described within the Bliznakov model using the Fowler-Guggenheim adsorption isotherm, which takes into account the lateral interaction of adsorbed particles.

机译：实验研究了NH _4Cl-MnCl _2-H _2O-CONH _3体系中形成的NH _4Cl：Mn〜（2+）非均质晶体表面的生长动力学和基本生长过程。已发现，NH _4Cl晶体中的配合物组成从Mn（NH _4）_2Cl _4·2H _2O变为MnCl _2·2CONH _3导致动力学曲线中出现局部最大值，并且位错生长中心的形状从平面到圆锥形。在Bliznakov模型中使用Fowler-Guggenheim吸附等温线描述了异质NH _4Cl：Mn〜（2+）晶体的{100}面的生长动力学，该模型考虑了吸附颗粒的横向相互作用。

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《Crystallography reports》 |2012年第2期|共10页
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Pyankova L.A.; Punin Yu.O.; Bocharov S.N.; Shtukenberg A.G.;
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机译：在NH _4Cl-MnCl _2-H _2O- CONH _3系统中形成的NH _4Cl：Mn〜（2+）晶体的生长动力学和微观形貌
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Growth kinetics and micromorphology of NH _4Cl:Mn ~(2+) crystals formed in the NH _4Cl-MnCl _2-H _2O- CONH _3 system

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