Influence of cation substitution on the polymorphic transformation in Ag2–хCuхS (х = 0.45, 0.8, and 1.07) crystals

The influence of the concentration substitution of Ag ions for Cu ions in the structure of Ag 2–х Cu х S (х = 0.45, 0.8, and 1.07) solid solutions on the temperature of polymorphic phase transitions is demonstrated. The phase composition of Ag 2–х Cu х S (х = 0.45, 0.8, and 1.07) solid solutions has...

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Bibliographic Details
Published in:Crystallography reports 2017-07, Vol.62 (4), p.618-621
Main Authors: Asadov, Yu. G., Aliyev, Yu. I., Babaev, A. G., Ganizade, G. F., Aliyeva, R. D., Jabarov, S. G., Trukhanov, A. V.
Format: Article
Language:English
Subjects:
Concentration (composition)
Crystal structure
Crystallography and Scattering Methods
Lattice Dynamics and Phase Transitions
Parameter modification
Phase composition
Phase transitions
Physics
Physics and Astronomy
Silver
Solid solutions
Transition temperature
X-ray diffraction
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Summary:The influence of the concentration substitution of Ag ions for Cu ions in the structure of Ag 2–х Cu х S (х = 0.45, 0.8, and 1.07) solid solutions on the temperature of polymorphic phase transitions is demonstrated. The phase composition of Ag 2–х Cu х S (х = 0.45, 0.8, and 1.07) solid solutions has been investigated by X-ray diffraction at different temperatures. It is shown that the structure of the polymorphic modification of Ag 0.93 Cu 1.07 S composition and the phase transition temperature correspond to the structure and parameters of AgCuS single crystal. The structures of the modifications of compositions with a high silver concentration (Ag 1.55 Cu 0.45 S and Ag 1.2 Cu 0.8 S) and the phase transitions temperatures differ from the structure and corresponding parameters of AgCuS single crystal.
ISSN:1063-7745
1562-689X
DOI:10.1134/S1063774517040046