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Вид документа : Статья из сборника (однотомник)
Шифр издания :
Автор(ы) : Krylova S. N., Vtyurin A. N., Krylov A. S., Wei X., Chen W.
Заглавие : Raman scattering study of SrTiO3: Bi ceramics with higher (x = 0.16) bismuth content
Коллективы : Уральский федеральный университет им. первого Президента России Б.Н. Ельцина, Scanning Probe Microscopy, International Conference, Russia-China Workshop on Dielectric and Ferroelectric Materials, "Functional Imaging of Nanomaterials", International Youth Conference
Место публикации : 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. - ISBN 978-5-9500624-2-1
Примечания : Cited References: 2
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Вид документа : Статья из сборника (однотомник)
Шифр издания :
Автор(ы) : Vtyurin A. N., Gerasimova Y. V., Krylov A. S., Laptash N. M., Krylova S. N.
Заглавие : Cubic to cubic phase transition in (NH4)3SnF7 ferroelastic crystal– Raman scattering study
Коллективы : Уральский федеральный университет им. первого Президента России Б.Н. Ельцина, Scanning Probe Microscopy, International Conference, Russia-China Workshop on Dielectric and Ferroelectric Materials, "Functional Imaging of Nanomaterials", International Youth Conference
Место публикации : 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. - ISBN 978-5-9500624-2-1
Примечания : Cited References: 1. - This work was supported by Russian Foundation for Basic Research (Grant N 17-02-00920)
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Вид документа : Статья из сборника (однотомник)
Шифр издания :
Автор(ы) : Vtyurin A. N., Krylov A. S., Voronov V. N., Oreshonkov A. S., Krylova S. N.
Заглавие : Structural phase transitions in elpasolite-like fluorides comprising rare earth elements – Raman scattering study
Коллективы : Уральский федеральный университет им. первого Президента России Б.Н. Ельцина, Scanning Probe Microscopy, International Conference, Russia-China Workshop on Dielectric and Ferroelectric Materials, "Functional Imaging of Nanomaterials", International Youth Conference
Место публикации : 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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Вид документа : Статья из сборника (однотомник)
Шифр издания :
Автор(ы) : Krylov A. S., Senkovska I., Bon V., Kaske S., Slysareva E. A., Krylova S. N., Vtyurin A. N.
Заглавие : Raman spectroscopy study of the switchable phases metal-organic frameworks DUT-8(Ni)
Коллективы : Уральский федеральный университет им. первого Президента России Б.Н. Ельцина, Scanning Probe Microscopy, International Conference, Russia-China Workshop on Dielectric and Ferroelectric Materials, "Functional Imaging of Nanomaterials", International Youth Conference
Место публикации : 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. - ISBN 978-5-9500624-2-1
Примечания : 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)
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Вид документа : Статья из сборника (однотомник)
Шифр издания :
Автор(ы) : Vtyurin A. N., Krylov A. S., Krylova S. N., Wei, Xiaoyong, Feng, Yujun, Xu, Ran, Zhao, Tian
Заглавие : Dumping soft modes in Raman spectra of antiferroelectric (Pb-La)(Zr-Sn-Ti)O3 ceramics
Коллективы : IEEE International Symposium on Applications of Ferroelectrics, International Conference on ElectroCeramics, European Meeting on Ferroelectricity, International Workshop on PiezoMEMS, Piezoresponse Force Microscopy Workshop
Место публикации : Joint Conference of the IEEE ISAF, EMF, ICE, IWPM and PFM: Abstract book. - 2019. - P.694
Примечания : Cited References: 3
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Вид документа : Статья из журнала
Шифр издания :
Автор(ы) : Ivantsov R. D., Ivanova O. S., Zharkov S. M., Molokeev M. S., Krylov A. S., Gudim I. A., Edelman I. S.
Заглавие : Magnetic circular dichroism in the canted antiferromagnet α-Fe2O3: bulk single crystal and nanocrystals
Место публикации : J. Magn. Magn. Mater. - 2020. - Vol. 498. - Ст.166208. - ISSN 0304-8853, DOI 10.1016/j.jmmm.2019.166208. - ISSN 1873-4766 (eISSN)
Примечания : Cited References: 60. - The authors thank S.L. Sukhachev for help in conducting absorption experiments and S.G. Ovchinnikov for fruitful discussions. The work is supported by Russian Academy of Sciences in the frame of the Project № 0356-2017-0030.
Аннотация: Hematite, α-Fe2O3, is a canted antiferromagnet with the Neel temperature of 960 K. The Morin transition, which occurs when the temperature is lowered to ∼260 K, when the magnetic moments of the sublattices become strictly antiparallel to each other and the resulting magnetic moment disappears, is a characteristic feature of this compound. Detailed investigations are presented here of the magneto-optical effects in the α-Fe2O3 nanoparticles in the transmitted light and in the α-Fe2O3 single crystal in the reflected light. Two types of magneto-optic features were revealed in the magnetic circular dichroism (MCD) spectrum. Some of them described by the Gauss line shape were associated with one-ion d-d transitions. Others were described by the S-shaped line with the inflection points corresponding to the absorption maxima. Last features were assigned to the pair exciton-magnon transitions. An exceptionally strong S-shaped line at 2.0-2.5 eV appeared to be a unique feature of α-Fe2O3 distinguishing it from other iron oxide compounds. The origin of the high effectiveness of the pair exciton-magnon interaction giving rise to this strong S-shaped feature in the MCD spectrum of α-Fe2O3 is discussed.
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Вид документа : Статья из журнала
Шифр издания :
Автор(ы) : Zaytseva I. V., Pugachev A. M., Surovtsev N. V., Krylov A. S.
Заглавие : Features of Raman spectra in barium titanate pressed powder
Коллективы : 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")
Место публикации : IOP Conf. Ser.: Mater. Sci. Eng. - 2019. - Vol. 699, Is. 1. - Ст.012058. - ISSN 1757-8981, DOI 10.1088/1757-899X/699/1/012058. - ISSN 1757-899X (eISSN)
Примечания : 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).
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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Вид документа : Статья из сборника (однотомник)
Шифр издания :
Автор(ы) : Krylov A. S., Senkovska I., Bon V., Kaske S., Slysareva E. A., Krylova S. N., Vtyurin A. N.
Заглавие : Switchable phases of metal-organic frameworks DUT-8(Ni): Raman spectroscopy study
Коллективы : IEEE International Symposium on Applications of Ferroelectrics, International Conference on ElectroCeramics, European Meeting on Ferroelectricity, International Workshop on PiezoMEMS, Piezoresponse Force Microscopy Workshop
Место публикации : Joint Conference of the IEEE ISAF, EMF, ICE, IWPM and PFM: Abstract book. - 2019. - P.408
Примечания : Cited References: 3. - 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)
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Вид документа : Статья из сборника (выпуск продолж. издания)
Шифр издания :
Автор(ы) : Tripathy A., Gautam K., Dey K., Ahad A., Gudim I. A., Sathe V. G., Shukla D. K.
Заглавие : Dielectric and Raman spectroscopy measurements across structural phase transition in multiferroic HoFe3(BO3)4 single crystal
Коллективы : International Conference on Advanced Materials
Место публикации : AIP Conf. Proc. - 2019. - Vol. 2162: International Conference on Advanced Materials, ICAM 2019. - Ст.020062. - , DOI 10.1063/1.5130272
Примечания : Cited References: 10. - DKS acknowledges support from the DST, New Delhi, India through the grant no INI/RUS/RFBR/P-269 (Indo Russian project). K.G. thanks, Council of Scientific and Industrial Research, New Delhi, India, for support in the form of SRF.
Аннотация: We report on findings in the HoFe3(BO3)4 single crystal across structural phase transition by the dielectric and Raman spectroscopic measurements. In most of the compounds of RFe3(BO3)4 (R=La-Lu) family low temperature P3121 structure is introduced through structural phase transition (from space group R32). Temperature dependent dielectric measurements on the HoFe3(BO3)4 crystal depicts a step like feature at the structural phase transition at ?366 K. The Raman spectroscopy study also confirms the structural transition around this temperature. A clear signature of structural transition is reflected in the Raman spectra, mainly in the frequency range (200-400 cm-1). Appearance of new Raman modes below the transition temperature also indicates that the transition is from a high symmetry phase to a low symmetry phase.
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10.

Вид документа : Статья из журнала
Шифр издания :
Автор(ы) : Lim, Chang Sung, Aleksandrovsky A. S., Atuchin V. V., Molokeev M. S., Oreshonkov A. S.
Заглавие : Microwave sol-gel synthesis, microstructural and spectroscopic properties of scheelite-type ternary molybdate upconversion phosphor NaPbLa(MoO4)3:Er3+/Yb3+
Место публикации : J. Alloys Compd. - 2020. - Vol. 826. - Ст.152095. - ISSN 0925-8388 (ISSN), DOI 10.1016/j.jallcom.2019.152095. - ISSN 1873-4669 (eISSN)
Примечания : Cited References: 53. - This research was supported by the Basic Science Research Program through the National Research Foundation of Korea (NRF) funded by the Ministry of Science, ICT and Future Planning (2018R1D1A1A09082321). This study was supported by the Russian Science Foundation (19-42-02003, in part of conceptualization). Also, this study was supported by RFBR (18-32-20011, 18-03-00750).
Аннотация: New ternary molybdate NaPbLa(1-x-y)(MoO4)3:xEr3+,yYb3+ (x = y = 0, x = 0.05 and y = 0.35, 0.4, 0.45 and 0.5) phosphors were successfully fabricated by the MSG (microwave sol-gel) method, and the microstructural and spectroscopic properties were characterized. The crystal structure of NaPbLa(MoO4)3 (NPLM) was defined by Rietveld analysis in space group I41/a with unit cell parameters a = 5.3735(2) and c = 11.8668(4) Å, V = 342.65(3) Å3, Z = 4 (RB = 6.64%). The unit cell volume of NaPbLa(MoO4)3 (NPLM) was intermediate between those of NaLa(MoO4)2 and PbMoO4. Under the 980 nm excitation, upconverted yellowish-green emissions at transitions from 2H11/2 and 4S3/2 were observed. No concentration quenching in the subsystem of donor ions at the content up to 50 at.% and no cross-relaxation losses in the subsystem of acceptor ions at the concentrations as high as 5 at. % were verified. The individual chromaticity points for the NaPbLa(MoO4)3:Er3+,Yb3+ phosphors, corresponding to the equal-energy point in the standard CIE diagram, revealed yellowish-green emissions.
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