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 Найдено в других БД:Каталог книг и брошюр библиотеки ИФ СО РАН (7)Каталог журналов библиотеки ИФ СО РАН (6)
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Общее количество найденных документов : 157
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1.

Вид документа : Статья из журнала
Шифр издания :
Автор(ы) : Pogoreltsev E. I., Bogdanov E. V., Kartashev A. V., Molokeev M. S., Flerov I. N., Laptash N. M.
Заглавие : Thermal properties of (NH4)2MeF6·NH4F (Me: Ti, Sn) crystals undergoing transformation between two cubic phases
Место публикации : Ferroelectrics: Taylor and Francis, 2016. - Vol. 501, Is. 1. - P.20-25. - ISSN 00150193 (ISSN), DOI 10.1080/00150193.2016.1198659
Примечания : Cited References: 9. - The reported study was partially supported by RFBR, research project No 15-02-02009-a
Ключевые слова (''Своб.индексиров.''): phase transitions--fluorides--heat capacity--entropy--phase diagram
Аннотация: The heat capacity, thermal expansion, and T-p phase diagrams of (NH4)3TiF7 and (NH4)3SnF7 were studied in wide temperature and pressure ranges. The total excess entropies at successive Pa-3 ↔ P4/mnc ↔ 4/m (Ti) and single Pa-3 ↔ Pm-3m (Sn) phase transitions are close to each other and characteristic for the order–disorder processes. The Pm-3m cubic phase and direct Pa-3 ↔ Pm-3m transformation were found at high pressure in (NH4)3TiF7. The different sign of baric coefficients for phase transition between two cubic phases in (NH4)3TiF7 and (NH4)3SnF7 was supposed due to nonlinear phase boundary with pressure in the latter fluoride.
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2.

Вид документа : Статья из журнала
Шифр издания :
Автор(ы) : Oreshonkov A. S., Krylov A. S., Shestakov N. P., Voronov V. N., Ershov A. A., Strikina E. A., Vtyurin A. N.
Заглавие : Vibrational spectra of NdF3 crystal
Место публикации : Ferroelectrics: Taylor and Francis, 2016. - Vol. 501, Is. 1. - P.15-19. - ISSN 00150193 (ISSN), DOI 10.1080/00150193.2016.1198201
Примечания : Cited References: 15. - The reported study was funded by RFBR according to the research project No. 16-32-00351 mol_a. It was partially supported by the Ministry of Education and Science of the Russian Federation and the “Krasnoyarsky regional fund of scientific support and scientific-technical activity.”
Ключевые слова (''Своб.индексиров.''): trifluorides--tysonite structure--raman spectroscopy--infrared spectroscopy
Аннотация: The vibrational spectroscopy investigation of phase transitions in NdF3 crystal is reported. Spectra were obtained in temperature range from 300 to 10 K. It has been shown that, down to 10 K, the trigonal tysonite structure of NdF3 trifluoride remains stable. © 2016 Taylor & Francis Group, LLC.
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3.

Вид документа : Статья из журнала
Шифр издания :
Автор(ы) : Bondarev V. S., Mikhaleva E. A., Gorev M. V., Flerov I. N.
Заглавие : Intensive electrocaloric effect in triglycine sulfate under nonequilibrium thermal conditions and periodic electric field
Коллективы : RFBR; Government of Krasnoyarsk Territory [16-42-240428 p_a]
Место публикации : Phys. Status Solidi B. - 2016. - Vol. 253, Is. 10. - P.2073-2078. - ISSN 0370-1972, DOI 10.1002/pssb.201600339. - ISSN 1521-3951(eISSN)
Примечания : Cited References:29. - The reported study was funded by RFBR and Government of Krasnoyarsk Territory according to the research project no. 16-42-240428 p_a.
Ключевые слова (''Своб.индексиров.''): electrocaloric effect--ferroelectrics--nonequilibrium processes--phase--transitions
Аннотация: We present the results of both direct measurements and modeling of the intensive electrocaloric effect ΔTAD in ferroelectric triglycine sulfate under nonequilibrium thermal conditions and periodically varying electric field. In the narrow region around the phase transition temperature TC, a visible difference was observed between the electrocaloric responses at applying ΔTON and removal ΔTOFF of the constant electric field: |ΔTON| |ΔTOFF| and |ΔTON| |ΔTOFF| at T  TC and T  TC, respectively. The variation of the frequency and profile of the periodic electric field at T  TC allowed one to obtain the gradual decrease in the average temperature of the top of the sample compared to the bottom kept at the constant temperature. At low frequency electric field, qualitative agreement was found between the time dependences of the measured experimentally and calculated ΔT values. Experimental and modeling studies of electrocaloric effect ΔTAD in triglycine sulfate showed that the applying/removal of a periodic electric field to/from the bulk sample decreases the average value of the waiving temperature of the top Ttop compared to T ≃ const of the bottom. Both frequency and duty cycle of the electric field impulses strongly affect Ttop.
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4.

Вид документа : Статья из журнала
Шифр издания :
Автор(ы) : Flerov I. N., Gorev M. V., Bogdanov E. V., Laptash N. M.
Заглавие : Barocaloric effect in ferroelastic fluorides and oxyfluorides
Место публикации : Ferroelectrics: Taylor and Francis, 2016. - Vol. 500, Is. 1. - P.153-163. - ISSN 00150193 (ISSN), DOI 10.1080/00150193.2016.1214525
Примечания : Библиогр.: 33. - The reported study was partially supported by the Russian Foundation for Basic Research (RFBR), research project No. 15-02-02009 a.
Ключевые слова (''Своб.индексиров.''): phase transition--fluorides--oxyfluorides--thermal properties--barocaloric effect
Аннотация: Using the data about the temperature - pressure phase diagram and the phase transition entropy at ambient and high pressure, intensive and extensive barocaloric effects were analyzed in the region of single and successive order-disorder phase transitions in fluorides and oxyfluorides with the elpasolites-cryolite structure. It was found that hydrostatic as well as chemical pressure are the effective tools to change the entropy of compounds with disordered ionic groups or atoms in structure and to realize the significant intensive and extensive barocaloric effects comparable with the values of baro- and magnetocaloric effects, characteristic for materials, considered as promising solid refrigerants. © 2016 Taylor & Francis Group, LLC.
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5.

Вид документа : Статья из журнала
Шифр издания :
Автор(ы) : Strikina E. A., Krylov A. S., Oreshonkov A. S., Vtyurin A. N.
Заглавие : Raman scattering study of δ-BiB3O6 crystal
Место публикации : Ferroelectrics: Taylor and Francis, 2016. - Vol. 501, Is. 1. - P.26-31. - ISSN 00150193 (ISSN), DOI 10.1080/00150193.2016.1198661
Примечания : Cited References: 12. - This study was partially supported by the Ministry of Education and Science of the Russian Federation, the “Krasnoyarsky regional fund of scientific support and scientific-technical activity,” and the Russian Foundation for Basic Research Grant “15-42-04347 r_siberia_a.”
Ключевые слова (''Своб.индексиров.''): orthorhombic bismuth triborate--raman spectroscopy--lattice dynamics
Аннотация: The total set of polarized Raman spectra have been obtained at room temperature, and an assignment of observed modes based on the lattice dynamics simulation and polarization selection rules is proposed. An LO-TO splitting of A1 Raman bands have been observed. © 2016 Taylor & Francis Group, LLC.
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6.

Вид документа : Статья из сборника (однотомник)
Шифр издания :
Автор(ы) : Krylov A. S., Moshkina E. M., Sofronova S. N., Gudim I. A., Temerov V. L., Vtyurin A. N.
Заглавие : Investigation of structural and magnetic phase transitions in multiferroic rare-earth tetraborate crystals with huntite structure by Raman spectroscopy
Коллективы : Russia/CIS/Baltic/Japan Symposium on Ferroelectricity, International Workshop on Relaxor Ferroelectrics
Место публикации : Joint 13th Russia/CIS/Baltic/Japan Symp. on Ferroelectricity and Int. Workshop on Relaxor Ferroelectrics (RCBJSF-IWRF 2016): book of abstracts. - 2016. - Ст.Oral-15
Примечания : References: 4
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7.

Вид документа : Статья из сборника (однотомник)
Шифр издания :
Автор(ы) : Mikhaleva E. A., Flerov I. N., Kartashev A. V., Gorev M. V., Bogdanov E. V., Bondarev V. S., Korotkov L. N., Dotsenko I. I., Rysiakiewicz-Pasek E.
Заглавие : Effect of a restricted geometry on thermal and dielectric properties of NH4HSO4 ferroelectric
Коллективы : Russia/CIS/Baltic/Japan Symposium on Ferroelectricity, International Workshop on Relaxor Ferroelectrics
Место публикации : Joint 13th Russia/CIS/Baltic/Japan Symp. on Ferroelectricity and Int. Workshop on Relaxor Ferroelectrics (RCBJSF-IWRF 2016): book of abstracts. - 2016. - Ст.P-18
Примечания : References: 2
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8.

Вид документа : Статья из сборника (однотомник)
Шифр издания :
Автор(ы) : Ershov A. A., Oreshonkov A. S., Krylov A. S., Shestakov N. P., Vtyurin A. N.
Заглавие : Vibrational spectra of PrF3 crystals
Коллективы : Russia/CIS/Baltic/Japan Symposium on Ferroelectricity, International Workshop on Relaxor Ferroelectrics
Место публикации : Joint 13th Russia/CIS/Baltic/Japan Symp. on Ferroelectricity and Int. Workshop on Relaxor Ferroelectrics (RCBJSF-IWRF 2016): book of abstracts. - 2016. - Ст.P-78
Примечания : References: 3
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9.

Вид документа : Статья из сборника (однотомник)
Шифр издания :
Автор(ы) : Strikina E. A., Vtyurin A. N., Krylov A. S., Oreshonkov A. S.
Заглавие : Determination of gruneisen parameters in δ-BiB3O6 crystal
Коллективы : Russia/CIS/Baltic/Japan Symposium on Ferroelectricity, International Workshop on Relaxor Ferroelectrics
Место публикации : Joint 13th Russia/CIS/Baltic/Japan Symp. on Ferroelectricity and Int. Workshop on Relaxor Ferroelectrics (RCBJSF-IWRF 2016): book of abstracts. - 2016. - Ст.P-57
Примечания : References: 2
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10.

Вид документа : Статья из журнала
Шифр издания :
Автор(ы) : Bedarev V. A., Merenkov D. N., Pashchenko M. I., Gnatchenko S. L., Gudim I. A., Bezmaternykh L. N., Temerov V. L.
Заглавие : The Pockels effect in TmAl3(BO3)4
Место публикации : Ferroelectrics: Taylor and Francis, 2017. - Vol. 506, Is. 1. - P.152-158. - ISSN 00150193 (ISSN), DOI 10.1080/00150193.2017.1282298
Примечания : Cited References: 5
Ключевые слова (''Своб.индексиров.''): electric field--pockels effect--birefringence--refractive indexes
Аннотация: The Pockels effect was studied in TmAl3(BO3)4 crystal. The electro-optic coefficient of the compound was determined. The principal refractive indexes of the crystal were determined by measuring the Brewster angles. Both contributions to the electric field induced birefringence associated with the redistribution of connected charges and deformation were estimated. © 2017 Taylor & Francis Group, LLC.
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