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Phase Behaviour of CoCl2-MnCl2 Mixed Crystals
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Jav Davaasambuu
Published/Copyright:
April 7, 2011
Abstract
Thermal properties of CoCl2, MnCl2 and their mixed crystals are investigated by means of temperature dependent neutron powder diffraction and time-resolved small angle neutron scattering. The coefficients of thermal expansion of these crystals have been determined as a function of temperature. The temperature-induced structural variations can be explained by distortions of CoCl6/MnCl6 octahedra and changes in Co/Mn–Cl bond lengths. CoCl2 and MnCl2 form homogeneous solid solutions in the entire temperature range between the solidus and 50 K. There is no indication of any miscibility gap as predicted from thermodynamic calculations.
Keywords: Mixed Crystal; Demixing; Phase Diagram; Neutron Diffraction; Neutron Small Angle Scattering
Published Online: 2011-4-7
Published in Print: 2011-4-1
© by Oldenbourg Wissenschaftsverlag, Göttingen, Germany
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Keywords for this article
Mixed Crystal;
Demixing;
Phase Diagram;
Neutron Diffraction;
Neutron Small Angle Scattering
Articles in the same Issue
- Highly Ordered 3D-Macroporous Poly(Para-Phenylene) Films Made by Electropolymerization of Benzene in an Ionic Liquid
- Oscillations of a Hanging Liquid Drop, Driven by Interfacial Dielectric Force
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- Isentropic Compressibility Studies of Some Salts in Acetonitrile + N,N-dimethylacetamide Mixtures at 298 K
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