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1.
A Challenge toward
novel quaternary sulfides SrLnCuS3 (Ln = La, Nd, Tm): Unraveling synthetic pathways, structures and properties / A. V. Ruseikina, M. V. Grigoriev, L. A. Solovyov [et al.]> // Int. J. Mol. Sci. - 2022. -
Vol. 23
,
Is. 20
. - Ст. 12438,
DOI
10.3390/ijms232012438. - Cited References: 62. - The research was funded by the Tyumen Oblast Government, as part of the West-Siberian Interregional Science and Education Center’s project No. 89-DON (3). This work was supported by state assignment of the Ministry of Science and Higher Education of the Russian Federation (Project Reg. No. 720000Φ.99.1.Б385AA13000) . - ISSN 1422-0067
Кл.слова (ненормированные):
inorganic materials
--
quaternary sulfide
--
synthesis
--
crystal structure
--
ab initio calculations
--
magnetic measurements
--
spectroscopy
Аннотация:
We report on the novel heterometallic quaternary sulfides SrLnCuS3 (Ln = La, Nd, Tm), obtained as both single crystals and powdered samples. The structures of both the single crystal and powdered samples of SrLaCuS3 and SrNdCuS3 belong to the orthorhombic space group Pnma but are of different structural types, while both samples of SrTmCuS3 crystallize in the orthorhombic space group Cmcm with the structural type KZrCuS3. Three-dimensional crystal structures of SrLaCuS3 and SrNdCuS3 are formed from the (Sr/Ln)S7 capped trigonal prisms and CuS4 tetrahedra. In SrLaCuS3, alternating 2D layers are stacked, while the main backbone of the structure of SrNdCuS3 is a polymeric 3D framework [(Sr/Ln)S7]n, strengthened by 1D polymeric chains (CuS4)n with 1D channels, filled by the other Sr2+/Ln3+ cations, which, in turn, form 1D dimeric ribbons. A 3D crystal structure of SrTmCuS3 is constructed from the SrS6 trigonal prisms, TmS6 octahedra and CuS4 tetrahedra. The latter two polyhedra are packed together into 2D layers, which are separated by 1D chains (SrS6)n and 1D free channels. In both crystal structures of SrLaCuS3 obtained in this work, the crystallographic positions of strontium and lanthanum were partially mixed, while only in the structure of SrNdCuS3, solved from the powder X-ray diffraction data, were the crystallographic positions of strontium and neodymium partially mixed. Band gaps of SrLnCuS3 (Ln = La, Nd, Tm) were found to be 1.86, 1.94 and 2.57 eV, respectively. Both SrNdCuS3 and SrTmCuS3 were found to be paramagnetic at 20-300 K, with the experimental magnetic characteristics being in good agreement with the corresponding calculated parameters.
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Держатели документа:
Laboratory of Theory and Optimization of Chemical and Technological Processes, University of Tyumen, Tyumen, 625003, Russian Federation
Federal Research Center KSC SB RAS, Institute of Chemistry and Chemical Technology, Krasnoyarsk, 660036, Russian Federation
Institute of Natural Sciences and Mathematics, Ural Federal University named after the First President of Russia B.N. Yeltsin, Mira Str. 19, Russian Federation
Kirensky Institute of Physics, Federal Research Center KSC SB RAS, Krasnoyarsk, 660036, Russian Federation
Department of Photonics and Laser Technology, Siberian Federal University, Krasnoyarsk, 660079, Russian Federation
Institute of Physics and Technology, University of Tyumen, Volodarskogo Str. 6, Tyumen, 625003, Russian Federation
Institute of Inorganic Chemistry, University of Stuttgart, Stuttgart, D-70569, Germany
Scientific and Educational and Innovation Center for Chemical and Pharmaceutical Technologies, Ural Federal University named after the First President of Russia B.N. Yeltsin, Mira Str. 19, Russian Federation
«Advanced Materials for Industry and Biomedicine» Laboratory, Kurgan State University, Sovetskaya Str. 63/4, Kurgan, 640020, Russian Federation
University of Tyumen, Volodarskogo Str. 6, Tyumen, 625003, Russian Federation
Доп.точки доступа:
Ruseikina, A. V.; Grigoriev, M. V.; Solovyov, L. A.; Chernyshev, V. A.; Aleksandrovsky, A. S.; Александровский, Александр Сергеевич; Krylov, A. S.; Крылов, Александр Сергеевич; Krylova, S. N.;
Крылова
,
Светлана
Николаевна
; Shestakov, N. P.; Шестаков, Николай Петрович; Velikanov, D. A.; Великанов, Дмитрий Анатольевич; Garmonov, A. A.; Matigorov, A. V.; Eberle, M. A.; Schleid, T.; Safin, D. A.
}
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2.
A raman study
of hydrostatic pressure induced phase transitions in Rb2KInF6 crystals / A. N. Vtyurin [et al.]> // Phys. Solid State. - 2012. -
Vol. 54
,
Is. 5
. - P. 934-936,
DOI
10.1134/S1063783412050472. - Cited References: 16. - This study was supported by the Russian Foundation for Basic Research (project nos. 11-02-98002-r_sibir' and 09-02-00062), the Siberian Branch of the Russian Academy of Sciences (integration project no. 101), and the Council on Grants from the President of the Russian Federation (grant no. HSh-4645.2010.2). . - ISSN 1063-7834
РУБ
Physics, Condensed Matter
Рубрики:
LATTICE-DYNAMICS
ELPASOLITES
SPECTRA
Аннотация:
The Raman spectra of the elpasolite (Rb2KInF6) crystal have been studied in the pressure range from 0 to 5.3 GPa at a temperature of 295 K. A phase transition at a pressure of approximately 0.9 GPa has been found. An analysis of the variations in the spectral parameters has led to the conclusion that the phase transition to a distorted phase is accompanied by the doubling of the volume of the primitive cell of the initial cubic phase. Numerical calculations of the lattice dynamics in the Rb2KInF6 crystal have been performed. The numerical simulation has established that the phase transition at a pressure of 0.9 GPa is associated with condensation of the F (lg) mode. A probable high-pressure phase is the phase with space group C2/m.
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Публикация на русском языке
Исследование фазовых переходов в кристалле Rb2KInF6, индуцированных гидростатическим давлением, методом комбинационного рассеяния света // Физика твердого тела : Физико-технический институт им. А.Ф.Иоффе РАН, 2012. - Т. 54, Вып. 5. - С. 880-882. - ISSN 0367-3294
Держатели документа:
[Vtyurin, A. N.
Krylov, A. S.
Krylova, S. N.
Oreshonkov, A. S.
Voronov, V. N.] Russian Acad Sci, Siberian Branch, LV Kirensky Phys Inst, Krasnoyarsk 660036, Russia
[Goryainov, S. V.] Russian Acad Sci, Siberian Branch, Inst Mineral & Petrog, Novosibirsk 630090, Russia
Доп.точки доступа:
Vtyurin, A. N.; Втюрин, Александр Николаевич; Krylov, A. S.; Крылов, Александр Сергеевич; Goryainov, S. V.; Горяйнов, Сергей Владимирович; Krylova, S. N.;
Крылова
,
Светлана
Николаевна
; Oreshonkov, A. S.; Орешонков, Александр Сергеевич; Voronov, V. N.; Воронов, Владимир Николаевич
}
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3.
Analyzing the symmetry
of the Raman spectra of crystals according to angular dependences / E. V. Golovkina, S. N. Krylova, A. N. Vtyurin, A. S. Krylov> // Bull. Russ. Acad. Sci. Phys. - 2024. -
Vol. 88
,
Is. 5
. - P. 773-778,
DOI
10.1134/S1062873824706573. - Cited References: 32. - This work was supported by the Russian Foundation for Basic Research, project no. 21-52-12018. The authors are grateful to Dr. Irena Senkovska for providing our DUT-8(Ni) samples . - ISSN 1062-8738. - ISSN 1934-9432
Кл.слова (ненормированные):
angular dependences of Raman scattering
--
metal–organic framework crystals
Аннотация:
The authors propose a way of reconstructing the Raman tensor by studying the angular dependences of the intensities of the Raman lines of unoriented microcrystals. The technique is verified using familiar calomel Hg2Cl2 crystals. It is shown that the lines on DUT-8 (Ni) crystals indicating phases with open and closed pores have different types of symmetries. The technique can be used to reconstruct the Raman tensor for any unoriented crystalline sample.
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Держатели документа:
Kirensky Institute of Physics, Krasnoyarsk Scientific Center, Siberian Branch, Russian Academy of Sciences, 660036, Krasnoyarsk, Russia
Siberian Federal University, 660041, Krasnoyarsk, Russia
Доп.точки доступа:
Golovkina, E. V.; Головкина, Елена Вячеславовна; Krylova, S. N.;
Крылова
,
Светлана
Николаевна
; Vtyurin, A. N.; Втюрин, Александр Николаевич; Krylov, A. S.; Крылов, Александр Сергеевич
}
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4.
Application of DUT-4
MOF structure switching for optical and electrical humidity sensing / A. S. Krylov, S. A. Shipilovskikh, S. N. Krylova [et al.]> // Dalton Trans. - 2024. -
Vol. 53
,
Is. 8
. - P. 3459-3464,
DOI
10.1039/D4DT00038B. - Cited References: 37. - The authors acknowledge the support by the state assignment of the Kirensky Institute of Physics FRC KSC SB RAS, also this work was financially supported by the RFBR (Russian Foundation for Basic Research), project no. 21-52-12018. S. A. S. acknowledges the financial support by the Russian Science Foundation (chemical part, Grant No. 22-73-10069 "Design and application of flexible metal organic frameworks for photonics devices"). V.A.M. acknowledges the Priority 2030 Federal Academic Leadership Program Ivan Sergeev (student in ITMO Univ.) for supporting in IV curve analysis. Raman, FTIR and SEM experiments were performed in the Center for Common Use of the Krasnoyarsk Scientific Center SB RAS (Krasnoyarsk, Russia) . - ISSN 1477-9226. - ISSN 1477-9234
Аннотация:
The threshold structural transformation of the DUT-4 metal–organic framework (MOF) from an ordered to distorted phase during exposure to ambient conditions has been revealed. The in situ X-ray diffraction analysis, in situ Raman and FTIR spectroscopy, scanning electron microscopy and synchronous thermal analysis have been used for investigation. The reversible effect of exposure time and humidity on such a phase transition has been confirmed. We also demonstrated that the observed phase transition correlated well with changes in the optical and electronic properties of DUT-4, paving the way to a new family of MOF-based phase change materials for optoelectronic applications.
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Держатели документа:
Kirensky Institute of Physics, Federal Research Center KSC SB RAS, Krasnoyarsk, Russia
ITMO University, St. Petersburg, Russia
Siberian Federal University, Krasnoyarsk, Russia
South Ural State University, Chelyabinsk, Russia
Federal Research Center “Krasnoyarsk Science Center of the Siberian Branch of the Russian Academy of Sciences”, Akademgorodok 50, 660036 Krasnoyarsk, Russia
Institut Jean Lamour, Universite de Lorraine, UMR CNRS 7198, 54011 Nancy, France
Доп.точки доступа:
Krylov, A. S.; Крылов, Александр Сергеевич; Shipilovskikh, S. A.; Krylova, S. N.;
Крылова
,
Светлана
Николаевна
; Slyusarenko, N. V.; Timofeeva, M.; Kenzhebayeva, Yu. A.; Bachinin, S. V.; Yushina, I. D.; Cherepakhin, A. V.; Черепахин, Александр Владимирович; Shestakov, N. P.; Шестаков, Николай Петрович; Nemtsev, I. V.; Vtyurin, A. N.; Втюрин, Александр Николаевич; Milichko, V. A.
}
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5.
Crystal size: Versus
paddle wheel deformability: Selective gated adsorption transitions of the switchable metal-organic frameworks DUT-8(Co) and DUT-8(Ni) / S. Ehrling [et al.]> // J. Mater. Chem. A. - 2019. -
Vol. 7
,
Is. 37
. - P. 21459-21475,
DOI
10.1039/c9ta06781g. - Cited References: 106. - The authors thank DFG (FOR 2433) for financial support. We thank HZB for the allocation of synchrotron radiation beam-time and financial support. PP, TW and TH used high performance facilities of ZIH Dresden. TW thanks the European Social Funds for Germany for a PhD fellowship. . - ISSN 2050-7488
Кл.слова (ненормированные):
Cobalt
--
Crystallite size
--
Density functional theory
--
Dichloromethane
--
Inclusions
--
Nickel
--
Organometallics
--
Particle size
--
Physisorption
--
Single crystals
--
Wheels
--
X ray powder diffraction
Аннотация:
Switchable pillared layer metal–organic frameworks M2(2,6-ndc)2(dabco) (DUT-8(M), M = Ni, Co, 2,6-ndc = 2,6-naphthalenedicarboxylate, dabco = 1,4-diazabicyclo-[2.2.2]octane, DUT – Dresden University of Technology) were synthesised in two different crystallite size regimes to produce particles up to 300 μm and smaller particles around 0.1 μm, respectively. The textural properties and adsorption-induced switchability of the materials, obtained from both syntheses, were studied by physisorption of N2 at 77 K, CO2 at 195 K and n-butane at 273 K, revealing pronounced differences in adsorption behavior for Ni and Co analogues. While the smaller nano-sized particles (50–200 nm) are rigid and show no gating transitions confirming the importance of crystallite size, the large particles show pronounced switchability with characteristic differences for the two metals resulting in distinct recognition effects for various gases and vapours. Adsorption of various vapours demonstrates consistently a higher energetic barrier for the “gate opening” of DUT-8(Co) in contrast to DUT-8(Ni), as the “gate opening” pressure for Co based material is shifted to a higher value for adsorption of dichloromethane at 298 K. Evaluation of crystallographic data, obtained from single crystal and powder X-ray diffraction analysis, showed distinct geometric differences in the paddle wheel units of the respective MOFs. These differences are further disclosed by solid-state UV-vis, FT-IR and Raman spectroscopy. Magnetic properties of DUT-8(Co) and DUT-8(Ni) were investigated, indicating a high-spin state for both materials at room temperature. Density functional theory (DFT) simulations confirmed distinct energetic differences for Ni and Co analogues with a higher energetic penalty for the structural “gate opening” transformation for DUT-8(Co) compared to DUT-8(Ni) explaining the different flexibility behaviour of these isomorphous MOFs.
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Держатели документа:
Department of Inorganic Chemistry, Technische Universitat Dresden, Bergstrasse 66, Dresden, 01069, Germany
University of Sofia, Faculty of Chemistry and Pharmacy, Sofia, 1126, Bulgaria
Leibniz Institute for Solid State and Materials Research, IFW Dresden, Helmholtz-strasse 20, Dresden, 01069, Germany
Wilhelm-Ostwald-Institute of Physical and Theoretical Chemistry, Faculty for Chemistry and Mineralogy, Leipzig University, Leipzig, 04103, Germany
Helmholtz-Zentrum Dresden-Rossendorf, Institute of Resource Ecology, Research Site Leipzig, Permoserstr. 15, Leipzig, 04318, Germany
Kirensky Institute of Physics, Federal Research Center KSC SB RAS, Krasnoyarsk, 660036, Russian Federation
Siberian Federal University, Svobodny Prospect 79, Krasnoyarsk, 660041, Russian Federation
Institute of Automation and Electrometry of the SB RAS, Novosibirsk, 630090, Russian Federation
Research Group Macromolecular Crystallography, Helmholtz-Zentrum Berlin fur Materialien und Energie, Albert-Einstein-Stra?e 15, Berlin, 12489, Germany
Department of Theoretical Chemistry, Technische Universitat Dresden, Berg-strasse 66, Dresden, 01069, Germany
Доп.точки доступа:
Ehrling, S.; Senkovska, I.; Bon, V.; Evans, J. D.; Petkov, P.; Krupskaya, Y.; Kataev, V.; Wulf, T.; Krylov, A. S.; Крылов, Александр Сергеевич; Vtyurin, A. N.; Втюрин, Александр Николаевич; Krylova, S. N.;
Крылова
,
Светлана
Николаевна
; Adichtchev, S.; Slyusareva, E.; Weiss, M. S.; Buchner, B.; Heine, T.; Kaskel, S.
}
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6.
Crystal structure and
phase transitions of a layered perovskite-like CsScF4 crystal / A. S. Krylov [et al.]> // CrystEngComm. - 2016. -
Vol. 18
,
Is. 43
. - P. 8472-8486,
DOI
10.1039/c6ce01144f. - Cited References:47. - The authors are grateful to Prof. I. N. Flerov for valuable support and useful discussions. This work was partly supported by the Russian Foundation for Basic Research, Project 16-02-00102. The research is partially conducted within the framework of the state task of the Ministry of Education and Science of the Russian Federation for Siberian Federal University on R&D performance in 2014 (Task 3.2534.2014/K). X-ray data from powders, Raman NMR, and IR spectra were obtained with use the analytical equipment of Krasnoyarsk Center of collective use SB RAS. . - ISSN 1466-8033
Перевод заглавия:
Кристаллическая структура и фазовые переходы в слоистом перовскитоподобном кристалле CsScF4
РУБ
Chemistry, Multidisciplinary + Crystallography
Рубрики:
NEGATIVE THERMAL-EXPANSION
RAMAN-SCATTERING
LATTICE-DYNAMICS
Аннотация:
This work is devoted to the complex research on temperature phase transitions in a CsScF4 crystal. The crystal structure was solved and refined at different temperatures by using the Rietveld method. Structural phase transitions were investigated by using the following spectroscopic methods, some of them for the first time: Brillouin spectroscopy, Raman spectroscopy, IR absorption spectroscopy and NMR. The symmetry analysis of the Brillouin zone center of all phases is presented. The vibrational spectra of the crystal in three phases have been calculated. The structural phase transition mechanism was determined. The transitions at T-1 = 475 K and T-2 = 317.5 K are of displacement type. The Raman soft modes have been associated with rotations of the ScF6 octahedral group.
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Держатели документа:
SB RAS, LV Kirensky Inst Phys, Krasnoyarsk 660036, Russia.
Far Eastern State Transport Univ, Dept Phys, Khabarovsk 680021, Russia.
Siberian Fed Univ, Inst Engn Phys & Radioelect, Krasnoyarsk 660041, Russia.
SB RAS, Inst Automat & Electrometry, Novosibirsk 630090, Russia.
Доп.точки доступа:
Krylov, A. S.; Крылов, Александр Сергеевич; Molokeev, M. S.; Молокеев, Максим Сергеевич; Misyul, S. V.; Krylova, S. N.;
Крылова
,
Светлана
Николаевна
; Oreshonkov, A. S.; Орешонков, Александр Сергеевич; Ivanenko, A. A.; Иваненко, Александр Анатольевич; Zykova, V. A.; Ivanov, Y. N.; Иванов, Юрий Николаевич; Sukhovsky, A. A.; Суховский, Андрей Андреевич; Voronov, V. N.; Воронов, Владимир Николаевич; Safonov, I. N.; Vtyurin, A. N.; Втюрин, Александр Николаевич; Russian Foundation for Basic Research [16-02-00102]
}
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7.
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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Материалы конференции
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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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8.
Determination of the
pore direction in a crystalline metal-organic framework by Raman spectroscopy and periodic calculations based on the electron density functional theory / N. V. Slyusarenko, I. D. Yushina, E. A. Slyusareva [et al.]> // Optoelectron. Instrum. Data Process. - 2023. -
Vol. 59
,
Is. 6
. - P. 693-702,
DOI
10.3103/S8756699023060134. - Cited References: 32. - This work was supported by the Russian Foundation for Basic Research (Russian Center of Scientific Information), project no. 21-52-12018. - We are grateful to Dr. Irena Senkovska for the presented DUT-8 (Ni, Co) samples . - ISSN 8756-6990. - ISSN 1934-7944
Кл.слова (ненормированные):
Raman light scattering
--
metal-organic framework
--
pore orientation
--
electron density functional theory
Аннотация:
A method for the determination of pore orientation in metal-organic framework structures by polarized Raman spectra is proposed. The method involves sensitivity of the line intensity of Raman scattering to the geometry of propagation in a crystal. The operability of the method is shown by DUT-8 (Ni, Co) crystals. The obtained results are interpreted based on analysis of symmetry and direction of vibrations within periodic calculations of the electron density functional theory. The simultaneous approach allowed us to describe the vibrations and to find the principal crystal orientation collinear to the pore direction. The information on the pore orientation is necessary for problems of adsorption and design of complex multicomponent materials based on metal-organic framework.
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Публикация на русском языке
Определение направления пор в кристаллическом металлоорганическом каркасе с помощью спектроскопии комбинационного рассеяния света и периодических расчётов, основанных на теории функционала электронной плотности [Текст] / Н. В. Слюсаренко, И. Д. Юшина, Е. А. Слюсарева [и др.]. - 11 с. // Автометрия. - 2023. - Т. 59 № 6. - С. 41-51
Держатели документа:
Siberian Federal University, 660041, Krasnoyarsk, Russia
South Ural State University, 454080, Chelyabinsk, Russia
Kirensky Institute of Physics, Siberian Branch, Russian Academy of Sciences, 660036, Krasnoyarsk, Russia
Доп.точки доступа:
Slyusarenko, N. V.; Yushina, I. D.; Slyusareva, E. A.; Golovkina, E. V.; Головкина, Елена Вячеславовна; Krylova, S. N.;
Крылова
,
Светлана
Николаевна
; Vtyurin, A. N.; Втюрин, Александр Николаевич; Krylov, A. S.; Крылов, Александр Сергеевич
}
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9.
Dumping soft modes
in Raman spectra of antiferroelectric (Pb-La)(Zr-Sn-Ti)O3 ceramics / A. N. Vtyurin [et al.]> //
Joint Conference of the IEEE ISAF, EMF, ICE, IWPM and PFM : Abstract book. - 2019. - P. 694. - Cited References: 3
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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:
Vtyurin, A. N.; Втюрин, Александр Николаевич; Krylov, A. S.; Крылов, Александр Сергеевич; Krylova, S. N.;
Крылова
,
Светлана
Николаевна
; Wei, Xiaoyong; Feng, Yujun; Xu, Ran; Zhao, Tian; IEEE International Symposium on Applications of Ferroelectrics(2019 ; July ; 14-19 ; Lausanne, Switzerland); International Conference on ElectroCeramics(2019 ; July ; 14-19 ; Lausanne, Switzerland); European Meeting on Ferroelectricity(14 ; 2019 ; 14-19 July ; Lausanne, Switzerland); International Workshop on PiezoMEMS(2019 ; July ; 14-19 ; Lausanne, Switzerland); Piezoresponse Force Microscopy Workshop(2019 ; July ; 14-19 ; Lausanne, Switzerland)
}
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10.
Dynamical immiscibility of
aqueous carbonate fluid in the shortite-water system at high-pressure-temperature conditions / S. V. Goryainov, S. N. Krylova, U. O. Borodina, A. S. Krylov> // J. Phys. Chem. C. - 2021. -
Vol. 125
,
Is. 33
. - P. 18501-18509,
DOI
10.1021/acs.jpcc.1c05077. - Cited References: 47. - The reported study was funded by the RFBR and DFG, project number 21-52-12018. Work is done on the state assignment of the Sobolev Institute of Geology and Mineralogy, Kirensky Institute of Physics SB RAS, Equipment of Federal Research Center of Krasnoyarsk Science Center SB RAS, and supported by the Ministry of Science and Higher Education. Authors thank A.N. Vtyurin, A.G. Sokol, A.Yu. Likhacheva, and A.F. Shatskiy for fruitful discussion . - ISSN 1932-7447. - ISSN 1932-7455
РУБ
Chemistry, Physical + Nanoscience & Nanotechnology + Materials Science, Multidisciplinary
Рубрики:
SIMULTANEOUSLY HIGH-PRESSURE
SODIUM FORMATE
RAMAN-SPECTRA
Аннотация:
Anhydrous carbonate shortite, Na2Ca2(CO3)3, compressed in water at high pressure–temperature (up to 5 GPa, 350 °C) was studied by Raman spectroscopy. At 3.2 GPa and 250 °C, shortite begins to dissolve, followed by crystallization of aragonite and aragonite’. The unusual behavior of aqueous carbonate fluid was observed at 4.8 GPa and 300–350 °C. This process is characterized by the active formation of microbubbles within 2–60 s that are inserted one into another. Microbubbles are considered to be a result of the two immiscible fluid stratification. This dynamical immiscibility of the fluid accompanies the appearance of several crystalline carbonates and organic molecular crystals. Na-formate and some polymorphs of Ca-formate were observed.
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Держатели документа:
Sobolev Inst Geol & Mineral SB RAS, Novosibirsk 630090, Russia.
Fed Res Ctr KSC SB RAS, Kirensky Inst Phys, Krasnoyarsk 660036, Russia.
Доп.точки доступа:
Goryainov, Sergey, V; Krylova, S. N.;
Крылова
,
Светлана
Николаевна
; Borodina, Ulyana O.; Krylov, A. S.; Крылов, Александр Сергеевич; RFBRRussian Foundation for Basic Research (RFBR); DFGGerman Research Foundation (DFG)European Commission [21-52-12018]; Ministry of Science and Higher EducationMinistry of Science and Higher Education, PolandEuropean Commission
}
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11.
Electronic band structures
of NdFe3(BO3)4 and NdGa3(BO3)4 crystals: ab initio calculations / S. Krylova, I. Gudim, A. Aleksandrovsky [et al.]> // Ferroelectrics. - 2021. -
Vol. 575
,
Is. 1
. - P. 11-17,
DOI
10.1080/00150193.2021.1888219. - Cited References: 27. - This work was supported by the Russian Foundation for Basic Research Grant No. 20-42-240009 . - ISSN 0015-0193. - ISSN 1563-5112
РУБ
Materials Science, Multidisciplinary + Physics, Condensed Matter
Рубрики:
HOFE3(BO3)4
TEMPERATURE
SPECTRA
GROWTH
Кл.слова (ненормированные):
Borates
--
ab initio calculation
--
electronic bands
--
crystal structure
Аннотация:
NdFe3(BO3)4 and NdGa3(BO3)4 crystals are of great interest due to their physical properties. For example, NdFe3(BO3)4 crystal demonstrates magnetodielectric and magnetopiezoelectric effects, and NdGa3(BO3)4 crystal possesses luminescent and nonlinear optical properties. In this work, the properties of these materials are calculated by the plane-wave pseudo-potential method based on density functional theory. The structures of the crystals are optimized. The electronic structure of NdFe3(BO3)4 and NdGa3(BO3)4 are calculated.
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Держатели документа:
Kirensky Inst Phys FRC KSC SB RAS, Krasnoyarsk, Russia.
Siberian Fed Univ, Krasnoyarsk, Russia.
Доп.точки доступа:
Krylova, S. N.;
Крылова
,
Светлана
Николаевна
; Gudim, I. A.; Гудим, Ирина Анатольевна; Aleksandrovsky, A. S.; Александровский, Александр Сергеевич; Vtyurin, A. N.; Втюрин, Александр Николаевич; Krylov, A. S.; Крылов, Александр Сергеевич; Russian Foundation for Basic Research GrantRussian Foundation for Basic Research (RFBR) [20-42-240009]
}
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12.
Elucidating elusive quaternary
selenide EuCeCuSe3: Synthesis, crystal structure, properties and theoretical studies / M. V. Grigoriev, A. V. Ruseikina, M. S. Molokeev [et al.]> // J. Rare Earths. - 2024. -
Vol. 42
,
Is. 1
. - P. 163-171,
DOI
10.1016/j.jre.2022.11.004. - Cited References: 47 . - ISSN 1002-0721. - ISSN 2509-4963
Перевод заглавия:
Расшифровка труднодоступного четвертичного селенида EuCeCuSe3: синтез, кристаллическая структура, свойства и теоретические исследования
Кл.слова (ненормированные):
Quaternary selenide
--
Synthesis
--
Crystal structure
--
Ab initio calculations
--
Magnetic measurements
--
Spectroscopy
Аннотация:
We report on the novel heterometallic quaternary selenide EuCeCuSe3, the fabrication of which has been a challenge until this work. The structure of the reported selenide was elucidated from the powder X-ray diffraction data, which revealed the formation of EuCeCuSe3 with excellent yield (96.7%) accompanied with a minor fraction of CeSe2 (3.3%), and was best solved in orthorhombic space group Pnma with the BaLaCuS3 structural type. Thus, the crystal structure of the title compound completes the row of the heterometallic quaternary selenides EuRECuSe3 (RE = La, Pr, Nd, Sm, Eu, Gd, Tb, Dy, Ho, Er, Tm, Yb, Lu, Y), of which the cerium-based derivative exclusively belongs to the BaLaCuS3 structural type. The distortion of the CuSe4 polyhedron was compared for the whole series of EuRECuSe3 compounds using the τ4-descriptor for four coordinated ions, which revealed the highest degree of distortion for the Ce3+-containing selenide, followed by the La3+-based derivative. Furthermore, the crystallographic and geometrical parameters of the reported selenide were discussed in comparison to the Ce3+-based sulfides SrCeCuS3 and EuCeCuS3. Ab initio calculations of the crystal structure, a phonon spectrum and elastic constants for the crystal of EuСeCuSe3 were also performed. The types and wavenumbers of fundamental modes were determined and the involvement of ions participating in the phonon modes was assessed. The experimental IR spectrum of the reported selenide was interpreted and found to be in agreement with the calculated spectrum. The experimental direct band gap of EuCeCuSe3 was measured to be 1.36 eV that is consistent with the concept of its origin due to interband transitions between orbitals emerging mainly from 4f (valence band) and 5d (conduction band) levels of the Eu2+ cation. The dependence of the Young's modulus on the direction demonstrates the anisotropy of the elastic properties, while the Vickers hardness for EuCeCuSe3 was calculated to be 5.2 GPa. Finally, the title compound is paramagnetic above 4 K.
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Держатели документа:
Laboratory of Theory and Optimization of Chemical and Technological Processes, University of Tyumen, Volodarskogo Str. 6, 625003, Tyumen, Russian Federation
Research and Development Department, Kemerovo State University, Krasnaya Str. 6, 650000, Kemerovo, Russian Federation
Kirensky Institute of Physics, Federal Research Center KSC SB RAS, Akademgorodok 50 Bld. 38, 660036, Krasnoyarsk, Russian Federation
Department of Physics, Far Eastern State Transport University, Serysheva Str. 47, 680021, Krasnoyarsk, Russian Federation
Institute of Natural Sciences and Mathematics, Ural Federal University Named After the First President of Russia B.N. Yeltsin, Mira Str. 19, 620002, Ekaterinburg, Russian Federation
Department of Photonics and Laser Technology, Siberian Federal University, Svobodnii Ave. 79, 660079, Krasnoyarsk, Russian Federation
Institute of Physics and Technology, University of Tyumen, Volodarskogo Str. 6, 625003 Tyumen, Russian Federation
Institute for Inorganic Chemistry, University of Stuttgart, Pfaffenwaldring 55, D-70569, Stuttgart, Germany
Advanced Materials for Industry and Biomedicine Laboratory, Kurgan State University, Sovetskaya Str. 63/4, 640020, Kurgan, Russian Federation
Innovation Center for Chemical and Pharmaceutical Technologies, Ural Federal University Named After the First President of Russia B.N. Yeltsin, Mira Str. 19, 620002, Ekaterinburg, Russian Federation
University of Tyumen, Volodarskogo Str. 6, 625003, Tyumen, Russian Federation
Доп.точки доступа:
Grigoriev, Maxim V.; Ruseikina, Anna V.; Molokeev, M. S.; Молокеев, Максим Сергеевич; Chernyshev, Vladimir А.; Aleksandrovsky, A. S.; Александровский, Александр Сергеевич; Krylov, A. S.; Крылов, Александр Сергеевич; Krylova, S. N.;
Крылова
,
Светлана
Николаевна
; Shestakov, N. P.; Шестаков, Николай Петрович; Velikanov, D. A.; Великанов, Дмитрий Анатольевич; Garmonov, Alexander A.; Matigorov, Alexey V.; Ostapchuk, Evgeny A.; Schleid, Thomas; Safin, Damir A.
}
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13.
Ferroelastic phase transition
in the family of double fluoride crystals by Raman spectroscopy / Y. V. Gerasimova, A. S. Krylov, A. N. Vtyurin [et al.]> //
Ferroelectrics. - 2020. -
Vol. 568
,
Is. 1
. - P. 185-190
DOI
10.1080/00150193.2020.1713348. - Cited References: 14. - This research is supported by Russian Foundation for Basic Research under Grant No. 17-02-00920
Перевод заглавия:
Сегнетоэластический фазовый переход в семействе кристаллов двойных фторидов по данным спектроскопии комбинационного рассеяния света
Кл.слова (ненормированные):
Fluorides
--
Raman spectra
--
lattice disordering
Аннотация:
In order to clarify ordering mechanisms of ferroic phase transitions in double fluoride salts (NH4)3SnF7, (NH4)3GeF7 and (NH4)3TiF7, their Raman scattering spectra have been studied in wide ranges of frequencies (20–3400 cm−1) and temperatures (8–410 K). Substitution of the central ion in the octahedron groups was found to change not only the phase transition types and sequences, but to modify the types of structural disorder as well, which is a special feature of these high-symmetry fluoride crystals.
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Держатели документа:
Kirensky Institute of Physics, Federal Research Center KSC SB RAS, Krasnoyarsk, Russian Federation
Institute of Engineering Physics and Radio Electronics, Siberian Federal University, Krasnoyarsk, Russian Federation
Institute of Chemistry, Far Eastern Branch of RAS, Vladivostok, Russian Federation
Доп.точки доступа:
Gerasimova, Yu. V.; Герасимова, Юлия Валентиновна; Krylov, A. S.; Крылов, Александр Сергеевич; Vtyurin, A. N.; Втюрин, Александр Николаевич; Laptash, N. M.; Krylova, S. N.;
Крылова
,
Светлана
Николаевна
; European Meeting on Ferroelectricity(14 ; 2019 ; 14-19 July ; Lausanne, Switzerland)
}
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14.
First-principles calculations to
investigate optical, phonon and electronic properties of quaternary sulfides SrRECuS3 (RE = La, Nd, Tm) / V. A. Chernyshev, A. V. Ruseikina, M. V. Grigoriev [et al.]> // Inorg. Chem. Commun. - 2024. -
Vol. 165
. - Ст. 112449,
DOI
10.1016/j.inoche.2024.112449. - Cited References: 43. - This work was supported by The Ministry of Science and Higher Education of the Russian Federation (project No. FEUZ-2023-0017) . - ISSN 1387-7003. - ISSN 1879-0259
Кл.слова (ненормированные):
Rare-earth elements
--
Quaternary sulfide
--
Optical properties
--
Ab initio calculations
--
Spectroscopy
Аннотация:
The structure and properties of three layered heterometallic quaternary sulfides SrLaCuS3, SrNdCuS3 and SrTmCuS3 were studied for the first time using first-principles calculations in the stoichiometric and nonstoichiometric approximations. The applied DFT-based computations were performed using a hybrid functional with the contribution of nonlocal exchange in the Hartree-Fock formalism. It was revealed that the nonstoichiometry of SrLaCuS3 and SrNdCuS3 must be considered for modeling phonon spectra, elastic properties and band gaps. The wavenumbers and types of the Raman and "silent" modes at the Г-point were determined. From the analysis of displacement vectors, the degree of participation of ions in each mode was determined. The elastic constants and elastic moduli of the reported sulfides were calculated.
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Держатели документа:
Institute of Natural Sciences and Mathematics, Ural Federal University named after the First President of Russia B.N. Yeltsin, Ekaterinburg 620002, Russian Federation
University of Tyumen, Tyumen 625003, Russian Federation
Kirensky Institute of Physics, Federal Research Center KSC SB RAS, Krasnoyarsk 660036, Russian Federation
Scientific and Educational and Innovation Center for Chemical and Pharmaceutical Technologies, Ural Federal University named after the First President of Russia B.N. Yeltsin, Ekaterinburg 620002, Russian Federation
Доп.точки доступа:
Chernyshev, V. A.; Ruseikina, A. V.; Grigoriev, M. V.; Krylova, S. N.;
Крылова
,
Светлана
Николаевна
; Safin, D. A.
}
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15.
Gallium composition-dependent structural
phase transitions in HoFe3-xGax(BO3)4 solid solutions: crystal growth, structure, and Raman spectroscopy study / E. Moshkina, S. Krylova, I. Gudim [et al.]> // Cryst. Growth Des. - 2020. -
Vol. 20
,
Is. 2
. - P. 1058-1069,
DOI
10.1021/acs.cgd.9b01387. - Cited References: 30. - The reported study was funded by the Russian Foundation for Basic Research No. 18-02-00754. The experiments were performed using equipment of Center for Common Use, Krasnoyarsk Scientific Center, FSC SB RAS . - ISSN 1528-7483
Перевод заглавия:
Структурные фазовые переходы по концентрации галлия в твердых растворах HoFe3-xGax(BO3)4: рост кристаллов, структура и комбинационное рассеяние
Кл.слова (ненормированные):
Crystal growth
--
Crystal structure
--
Density functional theory
--
Gallium
--
Gallium compounds
--
Iron compounds
--
Raman scattering
--
Solid solutions
--
X ray powder diffraction
Аннотация:
Single crystals of solid solutions of HoFe3–xGax(BO3)4 with x = 0, 0.5, 1, 1.5, and 3 were obtained using flux synthesis. The conditions of the synthesis are described in detail. The structural properties of each of the synthesized samples were studied using X-ray powder diffraction analysis at several temperature points (303, 403, and 503 K). The structural parameters of the obtained samples and the “pure” compounds HoFe3(BO3)4 and HoGa3(BO3)4 were compared. The Raman spectra of the obtained solid solutions HoFe3–xGax(BO3)4 were studied in a wide temperature range (T = 10–400 K). The vibrational spectra and eigenvectors of the HoFe3Ga(BO3)4 and HoGa3(BO3)4 in R32 phase and HoFe3Ga(BO3)4 in P3121 phase were calculated within density functional theory. The features of the Raman spectra of HoFe2Ga(BO3)4, HoFe2.5Ga0.5(BO3)4, HoFe3(BO3)4 crystals associated with the R32 → P3121 structural phase transition, which have a strong dependence on the degree of substitution x, were investigated. Peculiarities of the Raman spectra, which are associated with magnetic ordering in HoFe1.5Ga1.5(BO3)4, HoFe2Ga(BO3)4, and HoFe2.5Ga0.5(BO3)4 crystals, were detected.
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Держатели документа:
Kirensky Institute of Physics, FRC KSC SB RAS, Krasnoyarsk, 660036, Russian Federation
Siberian State Aerospace University, Krasnoyarsk, 660014, Russian Federation
Siberian Federal University, Krasnoyarsk, 660041, Russian Federation
Far Eastern State Transport University, Khabarovsk, 680021, Russian Federation
Доп.точки доступа:
Moshkina, E. M.; Мошкина, Евгения Михайловна; Krylova, S. N.;
Крылова
,
Светлана
Николаевна
; Gudim, I. A.; Гудим, Ирина Анатольевна; Molokeev, M. S.; Молокеев, Максим Сергеевич; Temerov, V. L.; Темеров, Владислав Леонидович; Pavlovskiy, M. S.; Павловский, Максим Сергеевич; Vtyurin, A. N.; Втюрин, Александр Николаевич; Krylov, A. S.; Крылов, Александр Сергеевич
}
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16.
High pressure and
temperature Raman scattering study of the phase transitions in (NH4)3MoO3F3 / A. S. Krylov, S. V. Goryainov, A. N. Vtyurin [et al.]> // The 6th International Seminar on Ferroelastic Physics : abstract book. - Voronezh, 2009. - P. 34
Материалы конференции
Доп.точки доступа:
Krylov, A. S.; Крылов, Александр Сергеевич; Goryainov, S. V.; Vtyurin, A. N.; Втюрин, Александр Николаевич; Krylova, S. N.;
Крылова
,
Светлана
Николаевна
; Kocharova, A. G.; Кочарова, Алла Георгиевна; Laptash, N. M.; Воронежский государственный технический университет; Российская академия наук; International Seminar on ferroelastic physics (6 ; 2009 ; Sept. 22-25 ; Voronezh); Международный семинар по физике сегнетоэластиков (6(11) ; 2009 ; 22-25 сент. ; Воронеж)
}
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17.
Hydrostatic pressure-induced phase
transitions in Rb2KInF 6 and Rb2KScF6 crystals : Raman spectra and lattice dynamics simulations / A. N. Vtyurin [et al.]> //
Ferroelectrics. - 2012. -
Vol. 440
. - P. 100-104,
DOI
10.1080/00150193.2012.743375. - Cited References: 10. - This work has been financially supported by grants: Russian Foundation for Basic Research (project nos. 11-02-98002-r_sibir' and 09-02-00062), the Siberian Branch of the Russian Academy of Sciences (integration project no. 101), and the Council on Grants from the President of the Russian Federation (grant no. HSh-4645.2010.2). . - ISSN 0015-0193
Кл.слова (ненормированные):
Rb2KInF6
--
Rb2KScF6
--
phase transitions
--
Raman scattering
--
lattice dynamics
Аннотация:
Raman scattering spectra of Rb2KInF6 and Rb2KScF6 crystals have been studied under hydrostatic pressure up to 5.3 GPa at room temperature. Results are interpreted within semiempirical simulations of the lattice dynamics. Observed phase transitions both in Rb2KInF6 and Rb2KScF6 crystals are associated with condensation of soft F-1g phonon mode. High-pressure phases for both crystals are supposed to be of C2/m space group.
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Доп.точки доступа:
Vtyurin, A. N.; Втюрин, Александр Николаевич; Krylov, A. S.; Крылов, Александр Сергеевич; Krylova, S. N.;
Крылова
,
Светлана
Николаевна
; Goryainov, S. V.; Voronov, V. N.; Воронов, Владимир Николаевич; Oreshonkov, A. S.; Орешонков, Александр Сергеевич; International Symposium on Ferroic Domains and Micro- to Nanoscopic Structures(11 ; 2012 ; Ekaterinburg); Russia/CIS/Baltic/Japan Symposium on Ferroelectricity(11 ; 2012 ; Aug. ; 20-24 ; Ekaterinburg)
}
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18.
Hydrostatic pressure-induced phase
transitions in RbMnCl3: Raman spectra and lattice dynamics / A. N. Vtyurin [et al.]> // Phys. Solid State. - 2004. -
Vol. 46
,
Is. 7
. - P. 1301-1310,
DOI
10.1134/1.1778456. - Cited References: 16 . - ISSN 1063-7834
РУБ
Physics, Condensed Matter
Рубрики:
CRYSTALS
SPECTROSCOPY
Аннотация:
Raman scattering spectra of RbMnCl3 are measured at room temperature under high hydrostatic pressure. The results are interpreted based on first principles lattice dynamics calculations. The experimental data obtained correlate with the calculations in the low frequency domain but disagree slightly in the region of high-frequency vibrations. The transition from the hexagonal to the cubic perovskite phase observed earlier (near 0.7 GPa) was confirmed, and new transitions to lower symmetry distorted phases were discovered (at 1.1 and 5 GPa). (C) 2004 MAIK "Nauka / Interperiodica".
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Держатели документа:
Russian Acad Sci, LV Kirensky Phys Inst, Siberian Div, Krasnoyarsk 660036, Russia
Russian Acad Sci, Joint Inst Geol Geophys & Mineral, Siberian Div, Novosibirsk 630090, Russia
ИФ СО РАН
Kirensky Institute of Physics, Siberian Division, Russian Academy of Sciences, Akademgorodok, Krasnoyarsk, 660036, Russian Federation
Jt. Inst. Geol., Geophys./Mineral., Siberian Division, Russian Academy of Sciences, pr. Nauki 3, Novosibirsk, 630090, Russian Federation
Доп.точки доступа:
Vtyurin, A. N.; Втюрин, Александр Николаевич; Goryainov, S. V.; Zamkova, N. G.; Замкова, Наталья Геннадьевна; Zinenko, V. I.; Зиненко, Виктор Иванович; Krylov, A. S.; Крылов, Александр Сергеевич; Krylova, S. N.;
Крылова
,
Светлана
Николаевна
; Shefer, A. D.
}
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19.
Influence of the
molecular groups ordering on structural phase transitions in (NH4)2WO2F4 crystal / A. S. Krylov [et al.]> // Cryst. Growth Des. - 2014. -
Vol. 14
,
Is. 1
. - P. 374-380,
DOI
10.1021/cg400899m. - Cited References: 27. - This work was partly supported by the Russian Foundation for the Basic Research project no. 12-02-00056, no. 13-02-00825, and integration project SB RAS no. 28, SS-4828.2012.2. - Published as part of the Crystal Growth & Design virtual special issue Anion-controlled New Inorganic Materials. . - ISSN 1528-7483. - ISSN 1528-7505
РУБ
Chemistry, Multidisciplinary + Crystallography + Materials Science, Multidisciplinary
Рубрики:
RAMAN-SCATTERING
NEUTRON-SCATTERING
SOLID-STATE
OXYFLUORIDES
DISORDER
POLAR
ANION
Аннотация:
Phase transitions of the (NH4)2WO2F 4 crystal were studied by Raman spectroscopy in the range from 10 to 350 K. The mechanism of two phase transitions at T1 = 201 and T 2 = 160 K was proposed. The significant spectra changes occur in the range corresponding to the W-O vibrations. The first temperature phase transition is due to the ordering of the quasi-octahedral groups [WO 2F4]2- and partial ordering of ammonium groups. Experimental data allow for attributing the first (T1 = 201 K) phase transition to the first order close to the tricritical point. The noticeable changes of the Raman spectrum have been found in the range corresponding to the ammonium vibrations below the temperature T2. The second phase transition is associated with the further ordering of ammonium groups. Room temperature (296 K) experiments have been carried out under high hydrostatic pressure up to 10 GPa. Above 2 GPa, new spectral features appear, allowing for the assumption of the existence of a new high-pressure phase of (NH 4)2WO2F4, which is mainly connected with ordering of the [WO2F4]2- quasi-octahedral groups.
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Держатели документа:
Kirensky Inst Phys SB RAS, Krasnoyarsk 660036, Russia
Inst Geol & Mineral SB RAS, Novosibirsk 630090, Russia
Inst Chem FEB RAS, Vladivostok 690022, Russia
Доп.точки доступа:
Krylov, A. S.; Крылов, Александр Сергеевич; Goryainov, S. V.; Laptash, N. M.; Vtyurin, A. N.; Втюрин, Александр Николаевич; Mel'nikova, S. V.; Мельникова,
Светлана
Владимировна; Krylova, S. N.;
Крылова
,
Светлана
Николаевна
}
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20.
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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