Crystal structure and phase transitions of Sr{sub 2}Ni{sub 1–y}Mg{sub y}MoO{sub 6} solid solutions

Sr{sub 2}Ni{sub 1–y}Mg{sub y}MoO{sub 6} mixed oxides with a double perovskite structure have been synthesized via the pyrolysis of glycerol–salt mixtures. The phase composition and structure of the samples have been determined using X-ray diffraction and Raman spectroscopy. The temperatures of phase...

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Bibliographic Details
Published in:Inorganic materials 2017-12, Vol.53 (12)
Main Authors: Skutina, L. S., Vylkov, A. I., Grzhegorzhevskii, K. V., Chuikin, A. Yu, Ostroushko, A. A., Filonova, E. A.
Format: Article
Language:English
Subjects:
CONDENSED MATTER PHYSICS, SUPERCONDUCTIVITY AND SUPERFLUIDITY
CRYSTAL STRUCTURE
DILATOMETRY
GLYCEROL
MAGNESIUM OXIDES
MOLYBDENUM OXIDES
PEROVSKITE
PHASE TRANSFORMATIONS
PYROLYSIS
RAMAN SPECTROSCOPY
SALTS
SOLID SOLUTIONS
STRONTIUM COMPOUNDS
X-RAY DIFFRACTION
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Summary:Sr{sub 2}Ni{sub 1–y}Mg{sub y}MoO{sub 6} mixed oxides with a double perovskite structure have been synthesized via the pyrolysis of glycerol–salt mixtures. The phase composition and structure of the samples have been determined using X-ray diffraction and Raman spectroscopy. The temperatures of phase transitions in Sr{sub 2}Ni{sub 1–y}Mg{sub y}MoO{sub 6} with y = 0.25, 0.5, and 0.75 have been determined by high-temperature X-ray diffraction and dilatometry.
ISSN:0020-1685
1608-3172
DOI:10.1134/S0020168517120147