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Comparing the magnetic and magnetoelectric properties of the SmFe3(BO3)4 ferroborate single crystals grown using different solvents / E. Eremin [et al.] // J. Cryst. Growth. - 2019. - Vol. 518. - P. 1-4, DOI 10.1016/j.jcrysgro.2019.04.017. - Cited References: 17. - This study was supported by the Russian Foundation for Basic Research (RFBR) according to the research projects No. 18-02-00696_a and RFBR, Government of Krasnoyarsk Territory, Krasnoyarsk Region Science and Technology Support Fund by project No. 18-42-240011 p_a. . - ISSN 0022-0248. - ISSN 1873-5002

РУБ Crystallography + Materials Science, Multidisciplinary + Physics, Applied
Рубрики:
POLARIZATION
FEATURES
Кл.слова (ненормированные):
Impurities -- Growth from solutions -- Single crystal growth -- Borates -- Ferroelectric materials -- Magnetic materials
Аннотация: SmFe3(BO3)4 single crystals have been grown from the bismuth trimolybdate and lithium tungstate-based melt–solutions. Samarium ferroborate single crystals were grown first from the lithium–tungstate flux. The magnetic and magnetoelectric properties of the synthesized crystals have been compared. It is shown that the SmFe3(BO3)4 ferroborate grown from the bismuth trimolybdate-based melt–solution contains impurities of Bi3+ ions (∼5% at.), which replace Sm3+ ions, while the SmFe3(BO3)4, ferroborate grown from the lithium tungstate-based melt–solution contains minor or zero amounts of such impurities. The magnetoelectric and magnetodielectric effects with the Bi3+ admixture appeared 1.5× stronger than in SmFe3(BO3)4; this is probably due to twinning.

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Держатели документа:
Fed Res Ctr KSC SB RAS, Kirensky Inst Phys, Krasnoyarsk 660036, Russia.
Siberian Fed Univ, Krasnoyarsk 660041, Russia.
Siberian State Univ Sci & Technol, Krasnoyarsk 660037, Russia.

Доп.точки доступа:
Eremin, E. V.; Еремин, Евгений Владимирович; Gudim, I. A.; Гудим, Ирина Анатольевна; Temerov, V. L.; Темеров, Владислав Леонидович; Smolyakov, D. A.; Смоляков, Дмитрий Александрович; Molokeev, M. S.; Молокеев, Максим Сергеевич; Russian Foundation for Basic Research (RFBR) [18-02-00696_a]; RFBR, Government of Krasnoyarsk Territory, Krasnoyarsk Region Science and Technology Support Fund [18-42-240011 p_a]
}
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Effect of interaction of components on thermal properties of ferroelectric nanocomposites / E. A. Mikhaleva [et al.] // Eleventh Seminar Porous Glasses-Special Glasses (PGL'2018) : Abstracts and program. - 2018. - Ст. 18. - P. 23. - Библиогр.: 2

,
Материалы конференции

Доп.точки доступа:
Mikhaleva, E. A.; Михалева, Екатерина Андреевна; Flerov, I. N.; Флёров, Игорь Николаевич; Kartashev, A. V.; Карташев, Андрей Васильевич; Gorev, M. V.; Горев, Михаил Васильевич; Bogdanov, E. V.; Богданов, Евгений Витальевич; Bondarev, V. S.; Бондарев, Виталий Сергеевич; Kogotkov, L. N.; Rysiakiewicz-Pasek, E.; "Porous Glasses-Special Glasses", Seminar(11 ; 2018 ; Sept. ; 12-16 ; Szklarska Poręba, Poland); Wroclaw University of Science and Technology
}
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Conventional and inverse barocaloric effects in ferroelectric NH4HSO4 / M. V. Gorev [et al.] // J. Alloys Compd. - 2019. - Vol. 806. - P. 1047-1051, DOI 10.1016/j.jallcom.2019.07.273. - Cited References: 22 . - ISSN 0925-8388
Кл.слова (ненормированные):
Polymorphic phase transformation -- Phase diagram -- Order–disorder phenomena -- Entropy -- Barocaloric effect
Аннотация: In this study, the conventional and inverse barocaloric effects (BCE) in ferroelectric NH4HSO4 are reported. Maximum extensive and intensive BCE near order–disorder phase transition can be achieved at low pressure p≤0.1 GPa. Large thermal expansion of the crystal lattice plays a very important role in the developing conventional BCE and conversation between BCE of different sign in the narrow temperature range.

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Держатели документа:
Kirensky Institute of Physics, Federal Research Center KSC SB RAS, Krasnoyarsk, Russian Federation
Institute of Engineering Physics and Radioelectronics, Siberian Federal University, Krasnoyarsk, Russian Federation
Institute of Engineering Systems and Energy, Krasnoyarsk State Agrarian University, Krasnoyarsk, 660049, Russian Federation

Доп.точки доступа:
Gorev, M. V.; Горев, Михаил Васильевич; Mikhaleva, E. A.; Михалева, Екатерина Андреевна; Flerov, I. N.; Флёров, Игорь Николаевич; Bogdanov, E. V.; Богданов, Евгений Витальевич
}
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X-Ray, Dielectric, and Thermophysical Studies of Rubidium Tetrachlorozincate inside Porous Glasses / L. N. Korotkov [et al.] // Bull. Russ. Acad. Sci. Phys. - 2019. - Vol. 83, Is. 9. - P. 1072-1076, DOI 10.3103/S1062873819090132. - Cited References: 17 . - ISSN 1062-8738
Кл.слова (ненормированные):
Borosilicate glass -- Chlorine compounds -- Ferroelectric materials -- Glass ceramics -- Rubidium -- Thermal expansion -- Zinc compounds
Аннотация: 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 Rb2ZnCl4 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 Rb2ZnCl4 particles. A substantial increase in their Curie temperature is observed.

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Публикация на русском языке

Держатели документа:
Voronezh State Technical University, Voronezh, 394000, Russian Federation
Kirensky Institute of Physics, Krasnoyarsk, 660036, Russian Federation
Wroclaw University of Science and Technology, Wroclaw, 50-370, Poland
Institute of Engineering Physics and Radio Electronics, Siberian Federal University, Krasnoyarsk, 660041, Russian Federation
Military Training and Scientific Center, Zhukovsky and Gagarin Air Force Academy, Voronezh, 394064, Russian Federation

Доп.точки доступа:
Korotkov, L. N.; Stekleneva, L. S.; Flerov, I. N.; Флёров, Игорь Николаевич; Mikhaleva, E. A.; Михалева, Екатерина Андреевна; Rysiakiewicz-Pasek, E.; Molokeev, M. S.; Молокеев, Максим Сергеевич; Bondarev, I. A.; Бондарев, Илья Александрович; Gorev, M. V.; Горев, Михаил Васильевич; Sysoev, O. I.
}
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Structural features associated with multiferroic behavior in the RX3(BO3)4 system / H. Zhang [et al.] // J. Phys. Condens. Matter. - 2019. - Vol. 31, Is. 50. - Ст. 505704, DOI 10.1088/1361-648X/ab415f. - Cited References: 38 . - ISSN 0953-8984
Кл.слова (ненормированные):
multiferroic -- magnetoelectric -- crystal structure -- ferroelectric -- spin-lattice coupling
Аннотация: The magnetoelectric effect in the RX3(BO3)4 system (R = Ho, Eu, Sm, Nd, Gd; X = Fe, Al) varies significantly with the cation R despite very similar structural arrangements. Our structural studies reveal a symmetry reducing tilting of the BO3 planes and of the FeO6 polyhedra in the systems exhibiting low magnetic field induced electric polarization. Neutron scattering measurements reveal a lack of magnetic ordering indicating the primary importance of the atomic structure in the multiferroic behavior of this system.

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Держатели документа:
Department of Physics, New Jersey Institute of Technology, Newark, NJ 071022, United States
National Synchrotron Light Source II, Brookhaven National Laboratory, Upton, NY 11973, United States
L.V. Kirensky Institute of Physics, Krasnoyarsk, Russian Federation
Center for Advanced Radiation Sources, University of Chicago, Argonne, Chicago, IL 60439, United States
Laboratoire de Physique et d'Etude des Materiaux (LPEM), ESPCI Paris, PSL University, CNRS, Paris, 75005, France
Sorbonne Universite, CNRS, LPEM, Paris, 75005, France
Neutron Scattering Division, Oak Ridge National Laboratory, Oak Ridge, TN 37831, United States

Доп.точки доступа:
Zhang, H.; Liu, S.; Nelson, C. S.; Bezmaternykh, L. N.; Безматерных, Леонард Николаевич; Chen, Y. -S.; Wang, S. G.; Lobo, R. P.S.M.; Page, K.; Matsuda, M.; Pajerowski, D. M.; Williams, T. J.; Tyson, T. A.
}
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    Quantum-chemical research of endohedral yttrium metallofullerenes / A. S. Kholtobina [et al.] // J. Sib. Fed. Univ. Math. Phys. - 2017. - Vol. 10, Is. 4. - P. 422-428 ; Журн. СФУ. Сер. "Математика и физика", DOI 10.17516/1997-1397-2017-10-4-422-428. - This work was supported by the Russian Foundation for Basic Research (no. 16-43-242148), Krasnoyarsk Regional Science Foundation (agreement 35/16 dated 18.11.2016) and by the pres- ident of Russia Scientific School program NSh 7559.2016.2. . - ISSN 1997-1397
   Перевод заглавия: Квантово-химическое исследование эндоэдральных иттриевых металлофуллеренов
Кл.слова (ненормированные):
Density functional theory -- Endohedral metallofullerenes -- Ferroelectric properties -- Y@C82
Аннотация: The structural and electronic properties of single molecule Y@C82, their join couple and crystal structure of Y@C82 were investigated by DFT-GGA approach. The calculations show that Y@C82 form stable crystal structures wich may have ferroelectric properties, so they can be applied in electronics as a ferroelectric memory.
Структурные и электронные свойства одиночного комплекса Y@C82, структуры, состоящей из двух комплексов Y@C82, а также данного комплекса в периодических условиях были исследованы в рамках DFT-GGA–подхода. Моделирование эндоэдральных металлофуллеренов Y@C82 показало возможность формирования из них стабильных кристаллических структур, которые обладают сегнетоэлектрическими свойствами, что может быть применено в электронике и сегнетоэлектрической памяти.

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Держатели документа:
Kirensky Institute of Physics, Akademgorodok, 50/38, Krasnoyarsk, Russian Federation
Siberian Federal University, Svobodny, 79, Krasnoyarsk, Russian Federation

Доп.точки доступа:
Kholtobina, A. S.; Холтлбина, Анастасия С.; Tsyplenkova, D. I.; Цыпленкова, Дарья И.; Kuzubov, A. A.; Кузубов, Александр Александрович; Visotin, M. A.; Высотин Максим Александрович; Fedorov, A. S.; Федоров, Александр Семенович

}
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    Effect of a restricted geometry on thermal and dielectric properties of NH4HSO4 ferroelectric / E. A. Mikhaleva [et al.] // Ferroelectrics. - 2017. - Vol. 513, Is. 1. - P. 44-50, DOI 10.1080/00150193.2017.1350436. - Cited References:17. - The reported study was partially supported by the Russian Foundation for Basic Research (RFBR), research project No. 16-32-00092 mol_a. . - ISSN 0015-0193. - ISSN 1563-5112
   Перевод заглавия: Влияние ограниченной геометрии на тепловые и диэлектрические свойства сегнетоэлектриков NH4HSO4

РУБ Materials Science, Multidisciplinary + Physics, Condensed Matter
Рубрики:
PHASE-TRANSITIONS
   AMMONIUM
   CAPACITY
   SULFATE
   KH2PO4
Кл.слова (ненормированные):
Ferroelectric -- phase transition -- porous glass -- nanocomposite
Аннотация: Heat capacity, thermal dilatation, sensitivity to pressure and permittivity of NH4HSO4 embedded into glass matrices with a pore size of 320 nm and 46 nm were studied. Large difference in the thermal expansion of both glass and ferroelectric leads to a "clamped" state of NH4HSO4 in nanocomposites and to the phase transition temperatures change. The restricted geometry does not effect on the order of successive transformations in NH4HSO4 but is accompanied by a significant reduction in entropy of phase transitions. The behavior of DTA-signal and permittivity show the expansion of the temperature range of the ferroelectric phase under hydrostatic pressure.

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Доп.точки доступа:
Mikhaleva, E. A.; Михалева, Екатерина Андреевна; Flerov, I. N.; Флёров, Игорь Николаевич; Kartashev, A. V.; Карташев, Андрей Васильевич; Gorev, M. V.; Горев, Михаил Васильевич; Bogdanov, E. V.; Богданов, Евгений Витальевич; Bondarev, V. S.; Бондарев, Виталий Сергеевич; Korotkov, L. N.; Rysiakiewicz-Pasek, E.; Russian Foundation for Basic Research (RFBR) [16-32-00092 mol_a]; Russia/CIS/Baltic/Japan Symposium on Ferroelectricity(13 ; 2016 ; Jun. ; 19-23 ; Matsue, Japan)
}
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Aplesnin, S. S.
Electronic transition, ferroelectric and thermoelectric properties of bismuth pyrostannate Bi2(Sn0.85Cr0.15)2O7 / S. S. Aplesnin, L. V. Udod, M. N. Sitnikov // Ceram. Int. - 2018. - Vol. 44, Is. 2. - P. 1614-1620, DOI 10.1016/j.ceramint.2017.10.082. - Cited References: 41. - The authors would like to thank M. Molokeev for the clarification of x-ray spectra. The reported study was funded by Russian Foundation for Basic Research, Government of Krasnoyarsk Territory, Krasnoyarsk Region Science and Technology Support Fund to the research project № 16–52-00045 bel_a. . - ISSN 0272-8842
Кл.слова (ненормированные):
Dielectric properties -- Ferroelectric properties -- Impedance -- Thermopower -- Electrical properties
Аннотация: The ferroelectric properties of bismuth pyrostannate Bi2(Sn0.85Cr0.15)2O7 in the high-temperature region are established. The linear thermal expansion coefficient, electrical resistance, impedance, I−V characteristics, capacitance, loss-angle tangent, charge, and thermopower of the investigated material are measured in the temperature range of 300−700 K at frequencies of 102−106 Hz. Anomalies of the thermal expansion coefficient and hodograph spectrum variation in the region of polymorphic phase transitions are observed. The high resistance and change of the hopping conductivity for the tunnel-emission are found. The hysteresis in the electric field dependence of polarization is established. The change in the thermopower sign with temperature is revealed. The obtained experimental data are explained in the framework of the model of migration polarization by charged chromium ions.

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Держатели документа:
Kirensky Institute of Physics, Federal Research Center KSC SB RAS, Akademgorodok, 50, Krasnoyarsk, Russian Federation
Siberian State Aerospace University M. F. Reshetnev, Krasnoyarsky Rabochy Av. 31, Krasnoyarsk, Russian Federation

Доп.точки доступа:
Udod, L. V.; Удод, Любовь Викторовна; Sitnikov, M. N.; Аплеснин, Сергей Степанович
}
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Specific heat and thermal expansion of triglycine sulfate-porous glass nanocomposites / E. A. Mikhaleva [et al.] // Phys. Solid State. - 2018. - Vol. 60, Is. 7. - P. 1338-1343, DOI 10.1134/S1063783418070181. - Cited References: 27. - This study was supported by the Russian Foundation for Basic Research, project no. 16-32-00092 mol-a. . - ISSN 1063-7834. - ISSN 1090-6460

РУБ Physics, Condensed Matter
Рубрики:
PHASE-TRANSITIONS
DIELECTRIC-PROPERTIES
FERROELECTRIC COMPOSITES
Аннотация: The effect of restricted geometry on specific heat capacity and thermal expansion of the triglycine sulfate (TGS)–borosilicate glass composites have been studied first. A decrease in the entropy and temperature of the P21 ↔ P21/m phase transition in the TGS component with decreasing the glass matrix pore diameter at the invariable specific heat and thermal expansion coefficient has been observed. The estimates are indicative of the minor effect of internal pressure on the TGS pressure coefficient dTC/dp in the composites.

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Публикация на русском языке Теплоемкость и тепловое расширение нанокомпозитов триглицинсульфат-пористое стекло [Текст] / Е. А. Михалева [и др.] // Физ. тверд. тела. - 2018. - Т. 60 Вып. 7. - С. 1328–1333

Держатели документа:
Russian Acad Sci, Kirensky Inst Phys, Siberian Branch, Krasnoyarsk Sci Ctr, Krasnoyarsk 660036, Russia.
Siberian Fed Univ, Inst Engn Phys & Radio Elect, Krasnoyarsk 660041, Russia.
Krasnoyarsk State Pedag Univ, Krasnoyarsk 660060, Russia.
Far Eastern State Transport Univ, Khabarovsk 680000, Russia.
Voronezh State Tech Univ, Voronezh 394000, Russia.
Wroclaw Univ Sci & Technol, Fac Fundamental Problems & Technol, Div Expt Phys, PL-50370 Wroclaw, Poland.

Доп.точки доступа:
Mikhaleva, E. A.; Михалева, Екатерина Андреевна; Flerov, I. N.; Флёров, Игорь Николаевич; Kartashev, A. V.; Карташев, Андрей Васильевич; Gorev, M. V.; Горев, Михаил Васильевич; Molokeev, M. S.; Молокеев, Максим Сергеевич; Korotkov, L. N.; Rysiakiewicz-Pasek, E.; Russian Foundation for Basic Research [16-32-00092 mol-a]
}
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10.

Andryushin, N. D.
Pressure induced ferroelectric phase transition in GdFe3(BO3)4 / N. D. Andryushin, M. S. Pavlovski, V. I. Zinenko // Joint 14th Rus./CIS/Baltic/Japan Symp. on Ferroelectricity (RCBJSF)/ Young sci. school on the spect. studies of critical dynamics at struct. phase trans. : Abstract book / org. comm. A. N. Vtyurin ; progr. comm. I. N. Flerov. - 2018. - P. 92. - Cited References: . - ISBN 978-5-9651-1144-2

Материалы конференции

Доп.точки доступа:
Vtyurin, A. N. \org. comm.\; Втюрин, Александр Николаевич; Flerov, I. N. \progr. comm.\; Флёров, Игорь Николаевич; Pavlovski, M. S.; Павловский, Максим Сергеевич; Zinenko, V. I.; Зиненко, Виктор Иванович; Joint Russia/CIS/Baltic/Japan Symposium on Ferroelectricity(14 ; May 14-18, 2018 ; St. Perersburg); Young scientists school on the spectroscopic(May 14-18, 2018 ; St. Perersburg); Физико-технический институт им. А.Ф. Иоффе РАН; Санкт-Петербургский политехнический университет им. Петра Великого
}
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11.

Anisotropy of piezocaloric effect at ferroelectric phase transitions in ammonium hydrogen sulphate / E. V. Bogdanov, I. N. Flerov // E-MRS fall meeting : conference programme. - 2019. - Ст. E.P.4. - This work was supported by the Russian Science Foundation (RSF) grant (No. 19-72-00023)

Материалы конференции
Держатели документа:
Kirensky Institute of Physics, Federal Research Center KSC SB RAS, 660036 Krasnoyarsk, Russia
Siberian Federal University, 660074 Krasnoyarsk, Russia
Far Eastern State Transport University, Khabarovsk, Russia 680021
Astafijev Krasnoyarsk State Pedagogical University, 660049 Krasnoyarsk, Russia

Доп.точки доступа:
Mikhaleva, E. A.; Михалева, Екатерина Андреевна; Gorev, M. V.; Горев, Михаил Васильевич; Molokeev, M. S.; Молокеев, Максим Сергеевич; Kartashev, A. V.; Карташев, Андрей Васильевич; Flerov, I. N.; Флёров, Игорь Николаевич; Fall Meeting, European Materials Research Society(2019 ; Sept. ; 16-19 ; Warsaw, Poland); European Materials Research Society; Warsaw University of Technology
}
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12.

    Features of Raman spectra in barium titanate pressed powder / I. V. Zaytseva [et al.] // IOP Conf. Ser.: Mater. Sci. Eng. - 2019. - Vol. 699, Is. 1. - Ст. 012058, DOI 10.1088/1757-899X/699/1/012058. - Cited References: 16. - The reported study was funded by RFBR according to the research projects No. 19-42-543-016 and 18-02-00399 and State assignment No AAAA-A17-117052410033-9. The experiments were performed in the multiple-access centre “High-Resolution Spectroscopy of Gases and Condensed Matter” in IA&E SBRAS (Novosibirsk, Russia) and Centre for Common Use of the Krasnoyarsk Scientific Centre, SBRAS (Krasnoyarsk, Russia). . - ISSN 1757-8981. - ISSN 1757-899X
   Перевод заглавия: Особенности спектров комбинационного рассеяния в прессованном порошке титаната бария
Аннотация: Raman spectra in barium titanate powder under non-hydrostatic pressures are presented. The relationship between the pressure (up to 11 GPa) and the shift and the width of E(TO)-phonon line has been established. It has been found that under the action of uniaxial pressure a new Raman peak arises in the vicinity of 100 cm−1. It is shown that the Raman shift and width of both peaks increase depending on the applied pressure. These Raman lines broadening may be associated with an increase of the concentration of defect states in the volume of the sample.

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Держатели документа:
Institute of Automation and Electrometry SB RAS, 630090 Novosibirsk, Russia
Kirensky Institute of Physics Federal Research Centre KSC SB RAS, 660036 Krasnoyarsk, Russia

Доп.точки доступа:
Zaytseva, I. V.; Pugachev, A. M.; Surovtsev, N. V.; Krylov, A. S.; Крылов, Александр Сергеевич; SPM-2019-RCWDFM Joint International Conference (3rd International Conference "Scanning Probe Microscopy" (SPM), the 4th Russia-China Workshop on Dielectric and Ferroelectric Materials (RCWDFM), and International Youth Conference "Functional Imaging of Nanomaterials")(25-28 August 2019 ; Ekaterinburg, Russia)
}
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13.

Cubic to cubic phase transition in (NH4)3SnF7 ferroelastic crystal– Raman scattering study / A. N. Vtyurin [et al.] // 3th Int. Conf. "Scanning Probe Microscopy". 4th Russia-China Workshop on Dielectric and Ferroel. Mater. (SPM-2019-RCWDFM). Int. Youth Conf. "Functional Imaging of Nanomaterials" : Abstract book of joint int. conf. - 2019. - Ст. P182. - P. 285. - Cited References: 1. - This work was supported by Russian Foundation for Basic Research (Grant N 17-02-00920) . - ISBN 978-5-9500624-2-1

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Держатели документа:
Kirensky Institute of Physics, FRC KSC SB RAS, 660036, Krasnoyarsk, Russia
Siberian Federal University
Institute of Chemistry, Far Eastern Branch of RAS

Доп.точки доступа:
Vtyurin, A. N.; Втюрин, Александр Николаевич; Gerasimova, Y. V.; Герасимова, Юлия Валентиновна; Krylov, A. S.; Крылов, Александр Сергеевич; Laptash, N. M.; Krylova, S. N.; Крылова, Светлана Николаевна; Уральский федеральный университет им. первого Президента России Б.Н. Ельцина; Scanning Probe Microscopy, International Conference(3 ; 2019 ; Aug. ; 25-28 ; Ekaterinburg); Russia-China Workshop on Dielectric and Ferroelectric Materials(4 ; 2019 ; Aug. ; 25-28 ; Ekaterinburg); "Functional Imaging of Nanomaterials", International Youth Conference(2019 ; Aug. ; 25-28 ; Ekaterinburg)
}
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14.

Features of the behavior of the barocaloric effect near ferroelectric phase transition close to the tricritical point / E. A. Mikhaleva, I. N. Flerov, M. V. Gorev [et al.] // Crystals. - 2020. - Vol. 10, Is. 1. - Ст. 51, DOI 10.3390/cryst10010051. - Cited References: 28. - The reported study was supported by the Russian Science Foundation (project no. 19-72-00023) . - ISSN 2073-4352
Кл.слова (ненормированные):
polymorphic phase transformation -- phase diagram -- order-disorder phenomena -- entropy -- barocaloric effect
Аннотация: A detailed study of the effect of temperature and pressure on heat capacity, entropy and hysteresis phenomena near the ferroelectric phase transition in ammonium sulfate (AS) was performed. An analysis of experimental results within the framework of the phenomenological theory showed that taking into account the temperature-dependent part of the anomalous entropy leads to a significant increase in the barocaloric effect (BCE). The maximum values of extensive and intensive BCE near the tricritical point are outstanding: ΔSmaxBCE≈85 J/kgK, ΔTmaxAD≈12 K and can be achieved at low pressure ∼0.5 GPa.

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Держатели документа:
Kirensky Institute of Physics, Federal Research Center KSC Siberian Branch, Russian Academy of Sciences, 660036 Krasnoyarsk, Russia
Institute of Engineering Physics and Radioelectronics, Siberian Federal University, 660074 Krasnoyarsk, Russia
Institute of Engineering Systems and Energy, Krasnoyarsk State Agrarian University, 660049 Krasnoyarsk, Russia

Доп.точки доступа:
Mikhaleva, E. A.; Михалева, Екатерина Андреевна; Flerov, I. N.; Флёров, Игорь Николаевич; Gorev, M. V.; Горев, Михаил Васильевич; Bondarev, I. A.; Бондарев, Илья Александрович; Bogdanov, E. V.; Богданов, Евгений Витальевич
}
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15.

Anisotropy of piezocaloric effect at ferroelectric phase transitions in ammonium hydrogen sulphate / E. A. Mikhaleva, M. V. Gorev, M. S. Molokeev [et al.] // J. Alloys Compd. - 2020. - Vol. 839. - Ст. 155085, DOI 10.1016/j.jallcom.2020.155085. - Cited References: 31. - The reported study was supported by the Russian Science Foundation (project no. 19-72-00023 ). X-ray and dilatometric data were obtained using the equipment of Krasnoyarsk Regional Center of Research Equipment of Federal Research Center "Krasnoyarsk Science Center SB RAS" . - ISSN 0925-8388
Кл.слова (ненормированные):
Piezocaloric effect -- Phase transition -- Ferroelectrics -- Thermal expansion -- High-pressure -- Entropy
Аннотация: The role of anisotropy of the thermal expansion in formation of piezocaloric effect (PCE) near ferroelectric phase transitions in NH4HSO4 was studied. Strong difference in linear baric coefficients and as a result in intensive and extensive PCE associated with the different crystallographic axes was found. PCE giving the main contribution to the barocaloric effect were determined at both phase transitions. Rather strong effect of the lattice dilatation on the tuning of PCE was observed. Comparative analysis of PCE at the phase transitions in different materials showed that NH4HSO4 can be considered as a promising solid-state refrigerant. A hypothetical cooling cycle based on alternate using uniaxial pressure along two axes was considered.

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Держатели документа:
Kirensky Institute of Physics, Federal Research Center KSC SB RAS, Krasnoyarsk, 660036, Russian Federation
Institute of Engineering Physics and Radioelectronics, Siberian Federal University, Krasnoyarsk, 660074, Russian Federation
Department of Physics, Far Eastern State Transport University, Khabarovsk, 680021, Russian Federation
Astafijev Krasnoyarsk State Pedagogical University, Krasnoyarsk, 660049, Russian Federation

Доп.точки доступа:
Mikhaleva, E. A.; Михалева, Екатерина Андреевна; Gorev, M. V.; Горев, Михаил Васильевич; Molokeev, M. S.; Молокеев, Максим Сергеевич; Kartashev, A. V.; Карташев, Андрей Васильевич; Flerov, I. N.; Флёров, Игорь Николаевич
}
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16.

Temperature dependence of the spontaneous polarization, acoustic and strain anomalies in strontium barium niobate crystals of different chemical compositions probed by the second harmonic generation technique / A. M. Pugachev, I. V. Zaytseva, V. K. Malinovsky [et al.] // Ferroelectrics. - 2020. - Vol. 560, Is. 1. - P. 54-60, DOI 10.1080/00150193.2020.1722883. - Cited References: 19. - This work was supported by the Russian Foundation for Basic Research, projects no. 18-02-00399 and 19-42-543-016 and State assignment No AAAA-A17-117052410033-9. . - ISSN 0015-0193. - ISSN 1563-5112

РУБ Materials Science, Multidisciplinary + Physics, Condensed Matter
Рубрики:
SINGLE-CRYSTALS
RELAXOR
GROWTH
Кл.слова (ненормированные):
SBN-x crystals -- polar regions -- ferroelectric phase transition -- second harmonic generation -- Brillouin spectroscopy
Аннотация: In SrxBa1-xNb2O6 crystals (x = 0.33, 0.5, 0.61, and 0.75), temperature dependences of spontaneous polarization, strain, elastic modules, and second harmonic generation (SHG) signal are compared. It is revealed that SHG describes the temperature dependences of dipole moments in polar nanoregions in paraelectric phase. In the vicinity of the phase transition in paraelectric phase, SHG reflects the temperature behavior of relatively large and long-lived polar asymmetric regions as indicated by the presence of the intermediate temperature range on the temperature dependence of this nonlinear response.

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Держатели документа:
Russian Acad Sci, Inst Automat & Electrometry, Novosibirsk, Russia.
Kirensky Inst Phys Fed Res Ctr KSC SB RAS, Krasnoyarsk, Russia.
Siberian Fed Univ, Inst Engn Phys & Radioelect, Krasnoyarsk, Russia.
Russian Acad Sci, Prokhorov Gen Phys Inst, Moscow, Russia.

Доп.точки доступа:
Pugachev, A. M.; Zaytseva, I., V; Malinovsky, V. K.; Surovtsev, N., V; Gorev, M. V.; Горев, Михаил Васильевич; Ivleva, L. I.; Lykov, P. A.; Russian Foundation for Basic ResearchRussian Foundation for Basic Research (RFBR) [18-02-00399, 19-42-543-016, AAAA-A17-117052410033-9]
}
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17.

Investigation of phase transitions in multiferroics HоFe3-xGax(BO3)4 and TbFe3-xGax(BO3)4 solid solution with huntite structure / Yu. V. Krylov [et al.] // 3th Int. Conf. "Scanning Probe Microscopy". 4th Russia-China Workshop on Dielectric and Ferroel. Mater. (SPM-2019-RCWDFM). Int. Youth Conf. "Functional Imaging of Nanomaterials" : Abstract book of joint int. conf. - 2019. - P. 38 . - ISBN 978-5-9500624-2-1

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Держатели документа:
Kirensky Institute of Physics, FRC KSC SB RAS, 660036, Krasnoyarsk, Russia

Доп.точки доступа:
Krylov, A. S.; Крылов, Александр Сергеевич; Moshkina, E. M.; Мошкина, Евгения Михайловна; Gudim, I. A.; Гудим, Ирина Анатольевна; Krylova, S. N.; Крылова, Светлана Николаевна; Vtyurin, A. N.; Втюрин, Александр Николаевич; Уральский федеральный университет им. первого Президента России Б.Н. Ельцина; Scanning Probe Microscopy, International Conference(3 ; 2019 ; Aug. ; 25-28 ; Ekaterinburg); Russia-China Workshop on Dielectric and Ferroelectric Materials(4 ; 2019 ; Aug. ; 25-28 ; Ekaterinburg); "Functional Imaging of Nanomaterials", International Youth Conference(2019 ; Aug. ; 25-28 ; Ekaterinburg)
}
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18.

Structural phase transitions in elpasolite-like fluorides comprising rare earth elements – Raman scattering study / A. N. Vtyurin [et al.] // 3th Int. Conf. "Scanning Probe Microscopy". 4th Russia-China Workshop on Dielectric and Ferroel. Mater. (SPM-2019-RCWDFM). Int. Youth Conf. "Functional Imaging of Nanomaterials" : Abstract book of joint int. conf. - 2019. - P. 29 . - ISBN 978-5-9500624-2-1

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Держатели документа:
Kirensky Institute of Physics, FRC KSC SB RAS, 660036, Krasnoyarsk, Russia

Доп.точки доступа:
Vtyurin, A. N.; Втюрин, Александр Николаевич; Krylov, A. S.; Крылов, Александр Сергеевич; Voronov, V. N.; Воронов, Владимир Николаевич; Oreshonkov, A. S.; Орешонков, Александр Сергеевич; Krylova, S. N.; Крылова, Светлана Николаевна; Уральский федеральный университет им. первого Президента России Б.Н. Ельцина; Scanning Probe Microscopy, International Conference(3 ; 2019 ; Aug. ; 25-28 ; Ekaterinburg); Russia-China Workshop on Dielectric and Ferroelectric Materials(4 ; 2019 ; Aug. ; 25-28 ; Ekaterinburg); "Functional Imaging of Nanomaterials", International Youth Conference(2019 ; Aug. ; 25-28 ; Ekaterinburg)
}
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19.

Raman spectroscopy study of the switchable phases metal-organic frameworks DUT-8(Ni) / A. S. Krylov [et al.] // 3th Int. Conf. "Scanning Probe Microscopy". 4th Russia-China Workshop on Dielectric and Ferroel. Mater. (SPM-2019-RCWDFM). Int. Youth Conf. "Functional Imaging of Nanomaterials" : Abstract book of joint int. conf. - 2019. - Ст. P60. - P. 186. - Cited References: 3. - Acknowledgments: I.S.,V.B., S.K. thank the DFG for financial support (FOR 2433); A.K., S.K., A.V. thank the Russian Foundation for Basic Research for financial support (18-02-00754) . - ISBN 978-5-9500624-2-1

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Держатели документа:
Kirensky Institute of Physics, FRC KSC SB RAS, 660036, Krasnoyarsk, Russia
Technische University Dresden
Siberian Federal University

Доп.точки доступа:
Krylov, A. S.; Крылов, Александр Сергеевич; Senkovska, I.; Bon, V.; Kaske, S.; Slysareva, E. A.; Krylova, S. N.; Крылова, Светлана Николаевна; Vtyurin, A. N.; Втюрин, Александр Николаевич; Уральский федеральный университет им. первого Президента России Б.Н. Ельцина; Scanning Probe Microscopy, International Conference(3 ; 2019 ; Aug. ; 25-28 ; Ekaterinburg); Russia-China Workshop on Dielectric and Ferroelectric Materials(4 ; 2019 ; Aug. ; 25-28 ; Ekaterinburg); "Functional Imaging of Nanomaterials", International Youth Conference(2019 ; Aug. ; 25-28 ; Ekaterinburg)
}
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20.

Raman scattering study of SrTiO3: Bi ceramics with higher (x = 0.16) bismuth content / S. N. Krylova [et al.] // 3th Int. Conf. "Scanning Probe Microscopy". 4th Russia-China Workshop on Dielectric and Ferroel. Mater. (SPM-2019-RCWDFM). Int. Youth Conf. "Functional Imaging of Nanomaterials" : Abstract book of joint int. conf. - 2019. - Ст. P62. - P. 188. - Cited References: 2 . - ISBN 978-5-9500624-2-1

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Держатели документа:
Kirensky Institute of Physics, FRC KSC SB RAS, 660036, Krasnoyarsk, Russia
Siberian Federal University
Xi’an Jiaotong University

Доп.точки доступа:
Krylova, S. N.; Крылова, Светлана Николаевна; Vtyurin, A. N.; Втюрин, Александр Николаевич; Krylov, A. S.; Крылов, Александр Сергеевич; Wei, X.; Chen, W.; Уральский федеральный университет им. первого Президента России Б.Н. Ельцина; Scanning Probe Microscopy, International Conference(3 ; 2019 ; Aug. ; 25-28 ; Ekaterinburg); Russia-China Workshop on Dielectric and Ferroelectric Materials(4 ; 2019 ; Aug. ; 25-28 ; Ekaterinburg); "Functional Imaging of Nanomaterials", International Youth Conference(2019 ; Aug. ; 25-28 ; Ekaterinburg)
}
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