Тип публикации: статья из журнала
Год издания: 2018
Идентификатор DOI: 10.1007/s10853-018-2467-1
Аннотация: A study of heat capacity, thermal dilatation, susceptibility to hydrostatic pressure, permittivity and polarization loops was carried out on NH4HSO4-porous glass nanocomposites (AHS + PG) as well as empty glass matrices. The formation of dendrite clusters of AHS with a size, d (cryst), exceeding the pore size was found. An insignificant anisotropy of thermal expansion of AHS + PG showing statistically uniform distribution of AHS with random orientations of nanocrystallites over the matrix was observed. The effect of internal and external pressures on thermal properties and permittivity was studied. At the phase transition P-1 a dagger" Pc, a strongly nonlinear decrease in the entropy Delta S (2) and volume strain (Delta V/V) (T2) was observed with decreasing d (cryst). The linear change in temperatures of both phase transitions P-1 a dagger" Pc a dagger" P2(1)/c under hydrostatic pressure is accompanied by the expansion of the temperature range of existence of the ferroelectric phase Pc, while this interval narrows as d (cryst) decreases.
Издание
Журнал: JOURNAL OF MATERIALS SCIENCE
Выпуск журнала: Vol. 53, Is. 17
Номера страниц: 12132-12144
ISSN журнала: 00222461
Место издания: NEW YORK
Издатель: SPRINGER
Персоны
- Mikhaleva Ekaterina A. (Fed Res Ctr KSC SB RAS, Kirensky Inst Phys, Akad Gorodok 50,Bld 38, Krasnoyarsk 660036, Russia)
- Flerov Igor N. (Fed Res Ctr KSC SB RAS, Kirensky Inst Phys, Akad Gorodok 50,Bld 38, Krasnoyarsk 660036, Russia; Siberian Fed Univ, Krasnoyarsk 660074, Russia)
- Kartashev Andrey V. (Fed Res Ctr KSC SB RAS, Kirensky Inst Phys, Akad Gorodok 50,Bld 38, Krasnoyarsk 660036, Russia; Astafijev Krasnoyarsk State Pedag Univ, Krasnoyarsk 660049, Russia)
- Gorev Mikhail V. (Fed Res Ctr KSC SB RAS, Kirensky Inst Phys, Akad Gorodok 50,Bld 38, Krasnoyarsk 660036, Russia; Siberian Fed Univ, Krasnoyarsk 660074, Russia)
- Molokeev Maxim S. (Fed Res Ctr KSC SB RAS, Kirensky Inst Phys, Akad Gorodok 50,Bld 38, Krasnoyarsk 660036, Russia; Siberian Fed Univ, Krasnoyarsk 660074, Russia; Far Eastern State Transport Univ, Dept Phys, Khabarovsk 680021, Russia)
- Bogdanov Evgeniy V. (Fed Res Ctr KSC SB RAS, Kirensky Inst Phys, Akad Gorodok 50,Bld 38, Krasnoyarsk 660036, Russia; Krasnoyarsk State Agr Univ, Krasnoyarsk 660049, Russia)
- Bondarev Vitaliy S. (Fed Res Ctr KSC SB RAS, Kirensky Inst Phys, Akad Gorodok 50,Bld 38, Krasnoyarsk 660036, Russia; Siberian Fed Univ, Krasnoyarsk 660074, Russia)
- Korotkov Leonid N. (Voronezh State Tech Univ, Voronezh 394026, Russia)
- Rysiakiewicz-Pasek Ewa (Wroclaw Univ Sci & Technol, Fac Fundamental Problems Technol, Div Expt Phys, PL-50370 Wroclaw, Poland)
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