X-Ray, Dielectric, and Thermophysical Studies of Rubidium Tetrachlorozincate inside Porous Glasses

Results are presented from studying the X-ray diffraction, heat capacities, dielectric permittivities, and coefficients of the volumetric thermal expansion of composite materials obtained by embedding of Rb 2 ZnCl 4 salt into the porous matrices of borosilicate glass with average pore diameters of 4...

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Bibliographic Details
Published in:Bulletin of the Russian Academy of Sciences. Physics 2019-09, Vol.83 (9), p.1072-1076
Main Authors: Korotkov, L. N., Stekleneva, L. S., Flerov, I. N., Mikhaleva, E. A., Rysiakiewicz-Pasek, E., Molokeev, M. S., Bondarev, V. S., Gorev, M. V., Sysoev, O. I.
Format: Article
Language:English
Subjects:
Borosilicate glass
Composite materials
Curie temperature
Ferroelectric materials
Ferroelectricity
Freezing
Hadrons
Heavy Ions
Nuclear Physics
Physics
Physics and Astronomy
Rubidium
Temperature
Thermal expansion
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Summary:Results are presented from studying the X-ray diffraction, heat capacities, dielectric permittivities, and coefficients of the volumetric thermal expansion of composite materials obtained by embedding of Rb 2 ZnCl 4 salt into the porous matrices of borosilicate glass with average pore diameters of 46 and 320 nm in the temperature range of 120–350 K. The temperatures of transitions to the incommensurate and ferroelectric phases are determined, along with the freezing temperature of the mobility of domain boundaries in Rb 2 ZnCl 4 particles. A substantial increase in their Curie temperature is observed.
ISSN:1062-8738
1934-9432
DOI:10.3103/S1062873819090132