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A thermospectral setup for evaluating the content of unbound components in microscopic samples of an epoxy polymer / N. S. Naumkin [et al.] // Instrum. Exp. Tech. - 2012. - Vol. 55, Is. 2. - P. 294-297, DOI 10.1134/S0020441212010198. - Cited References: 5. - This study was supported by the Center of Collective Use of the Krasnoyarsk Scientific Center (Siberian Branch, Russian Academy of Sciences), the Presidium of the Russian Academy of Sciences (project no. 27.1), the Department of Physical Sciences, Russian Academy of Sciences, (project no. 9.1), and the Siberian Branch, Russian Academy of Sciences (integration project no. 5). . - ISSN 0020-4412

РУБ Engineering, Multidisciplinary + Instruments & Instrumentation

Аннотация: A setup and a technique for optical measurements intended for evaluating the content of unbound compounds in an epoxy polymer are described. The principle of operation of the setup is based on measurements of the spectra of absorption of infrared (IR) radiation by condensed products of evaporation of unbound components. The needed mass of a sample is about 0.01 g. The results of measurements of the IR radiation absorption as a function of the concentrations of the mixture components-ED-22 epoxy resin, isomethyltetrahydrophthalic anhydride (hardener), and a cure promoter (N integral D-606/2)-are presented. The relative content of chemically unbound components in the structure of a polymer matrix is evaluated as a function of the hardener concentration, thus allowing determination of the stoichiometric ratio of the initial components of an epoxy mixture. The obtained results are compared to those obtained by the extraction method.

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Публикация на русском языке Термоспектральная установка для оценки содержания несвязанных компонентов в микрообразцах эпоксидного полимера [Текст] / Н. С. Наумкин [и др.] // Приборы и техн. эксперим. - М. : Наука, 2012. - № 2. - С. 155-158

Держатели документа:
[Naumkin, N. S.
Shestakov, N. P.
Ivanenko, A. A.
Shestakov, A. B.] Siberian Fed Univ, Krasnoyarsk 660041, Russia
[Shestakov, N. P.
Ivanenko, A. A.] Russian Acad Sci, Kirenskii Inst Phys, Siberian Branch, Krasnoyarsk 660036, Russia
[Kargin, V. F.] Russian Acad Sci, Siberian Branch, Inst Chem & Chem Technol, Krasnoyarsk 660049, Russia

Доп.точки доступа:
Naumkin, N. S.; Shestakov, N. P.; Шестаков, Николай Петрович; Ivanenko, A. A.; Иваненко, Александр Анатольевич; Kargin, V. F.; Shestakov, A. B.
}
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Amorphous and Crystalline Nickel Oxide Films Obtained by the Extraction-Pyrolysis Method for Electrochromic Cells / A. L. Belousov, T. N. Patrusheva, A. A. Karacharov [et al.] // Theor. Found. Chem. Eng. - 2020. - Vol. 54, Is. 4. - P. 699-705, DOI 10.1134/S0040579520040041. - Cited References: 8. - This work was performed as part of the program "Research and Development for the Priority Areas of the Russian Science-and-Technology Sector for 2014-2020"; Grant Agreement no. 075-15-2019-1843; the Project Unique Identifier RFMEFI60719X0307 . - ISSN 0040-5795. - ISSN 1608-3431

РУБ Engineering, Chemical
Рубрики:
NIO THIN-FILMS
Кл.слова (ненормированные):
nickel extract -- extraction-pyrolysis technology -- thin film -- annealing -- electrochromic cell
Аннотация: This paper reports studies of thin films of nickel oxide obtained by the extraction–pyrolysis method on glass and quartz substrates at temperatures of 380–600°C. The films have been characterized by atomic force microscopy and X-ray diffraction. It is shown that amorphous and crystalline nickel oxide films are formed on the glass. The grain size depends on the annealing temperature, while increased annealing temperatures lead to recrystallization and a decrease in the grain size in NiO films from 130 to 35 nm.

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Публикация на русском языке Пленки аморфного и кристаллического оксида никеля, полученные экстракционно-пиролитическим методом для электрохромных ячеек [Текст] / А. Л. Белоусов [и др.] // Хим. технол. - 2019. - Т. 20 № 5. - С. 215-221

Держатели документа:
Siberian Fed Univ, Krasnoyarsk 660041, Russia.
Baltic State Tech Univ VOENMEX, St Petersburg 190005, Russia.
Russian Acad Sci, Siberian Branch, Inst Chem & Chem Technol, Krasnoyarsk 660036, Russia.
Russian Acad Sci, Kirensky Inst Phys, Siberian Branch, Krasnoyarsk 660036, Russia.
Russian Acad Sci, Kurnakov Inst Gen & Inorgan Chem, Moscow 119991, Russia.

Доп.точки доступа:
Belousov, A. L.; Patrusheva, T. N.; Karacharov, A. A.; Ivanenko, A. A.; Иваненко, Александр Анатольевич; Kirik, S. D.; Khol'kin, A. I.; program "Research and Development for the Priority Areas of the Russian Science-and-Technology Sector for 2014-2020" [075-15-2019-1843]; [RFMEFI60719X0307]
}
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Angle-resolved reflection spectroscopy of high-quality PMMA opal crystal / I. V. Nemtsev [et al.] // Photonics Nanostruc. Fundam. Appl. - 2018. - Vol. 28. - P. 37-44, DOI 10.1016/j.photonics.2017.11.007. - Cited References: 72. - This study was supported by the Russian Foundation for Basic Research (Grant No. 16-32-00302 мол_а ), by the Council for Grants of the President of the Russian Federation ( SP-317.2015.1 ), by Russian Foundation for Basic Research, Government of Krasnoyarsk Territory, Krasnoyarsk Region Science and Technology Support Fund to the research project No. 16-42-243059 р_мол_а and No. 16-48-242092 р_офи_м, and by the Program of Foundation for Promotion of Small Enterprises in Science and Technology (No.6662ГУ2015) (“УМНИК” program). We acknowledge the support of Krasnoyarsk Regional Center for Collective Use of SB of RAS for equipment and technique. We thank A. V. Shabanov and O. V. Shabanova for assistance in dispersion preparation. We also thank V. G. Myagkov for useful discussion of the results. . - ISSN 1569-4410
Кл.слова (ненормированные):
PMMA opal -- Photonic crystal -- Electron microscopy -- Angular resolved reflective spectroscopy
Аннотация: PMMA opal crystal was prepared by a simple hybrid method, which includes sedimentation, meniscus formation and evaporation. We investigated three surfaces of this crystal by angle-resolved reflective light spectroscopy and SEM study. The angle-resolved reflective measurements were carried out in the 400–1100 nm range. We have determined the high-quality ordered surface of the crystal region. Narrow particle size distribution of the surface has been revealed. The average particle diameter obtained with SEM was nearly 361 nm. The most interesting result was that reflectivity of the surface turned out up to 98% at normal light incidence. Using a fit of dependences of the maximum reflectivity wavelength from an angle based on the Bragg–Snell law, the wavelength of maximum 0° reflectivity, the particle diameter and the fill factor have been determined. For the best surface maximum reflectivity wavelength of a 0° angle was estimated to be 869 nm. The particle diameter and fill factor were calculated as 372 nm and 0.8715, respectively. The diameter obtained by fitting is in excellent agreement with the particle diameter obtained with SEM. The reflectivity maximum is assumed to increase significantly when increasing the fill factor. We believe that using our simple approach to manufacture PMMA opal crystals will significantly increase the fabrication of high-quality photonic crystal templates and thin films

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Держатели документа:
Federal Research Centre Krasnoyarsk Scientific Center of the Siberian Branch of Russian Academy of Sciences, Akademgorodok 50, Krasnoyarsk, Russian Federation
Kirensky Institute of Physics, Federal Research Centre Krasnoyarsk Scientific Center of the Siberian Branch of Russian Academy of Sciences, Akademgorodok 50, Krasnoyarsk, Russian Federation

Доп.точки доступа:
Nemtsev, I. V.; Немцев, Иван Васильевич; Tambasov, I. A.; Тамбасов, Игорь Анатольевич; Ivanenko, A. A.; Иваненко, Александр Анатольевич; Zyryanov, V. Ya.; Зырянов, Виктор Яковлевич
}
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Chiganova, G. A.
Nanodiamonds effect on characteristics of copper galvanic coatings / G. A. Chiganova, L. E. Tyryshkina, A. A. Ivanenko // Russ. J. Appl. Chem. - 2013. - Vol. 86, Is. 8. - P. 1311-1313, DOI 10.1134/S1070427213080260 . - ISSN 1070-4272
Аннотация: The introduction of nanodiamonds (Technical Specification TU 3974-001-10172699-94) into a sulfuric acid electrolyte of copper plating was shown to result in decreased porosity and the corresponding diminishing of the electric resistance of the copper coatings. © Pleiades Publishing, Ltd., 2013.

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Публикация на русском языке Чиганова, Г. А. Исследование влияния наноалмазов на характеристики медных гальванических покрытий / Г. А. Чиганова // Журнал прикладной химии. - 2013. - Т. 86, № 8. - С. 1337-1339. - ISSN 0044-4618

Держатели документа:
Siberian Fed Univ, Russian Acad Sci, Siberian Branch, Dept Phys Nanophase Mat,Krasnoyarsk Sci Ctr, Krasnoyarsk, Russia
Russian Acad Sci, Siberian Branch, Kirenskii Inst Phys, Krasnoyarsk, Russia

Доп.точки доступа:
Tyryshkina, L. E.; Ivanenko, A. A.; Иваненко, Александр Анатольевич
}
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    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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Effect of exposure to optical radiation and temperature on the electrical and optical properties of In2O3 films produced by autowave oxidation / I. A. Tambasov [et al.] // Semiconductors. - 2014. - Vol. 48, Is. 2. - P. 207-211, DOI 10.1134/S1063782614020286. - Cited References: 42. - This study was supported by the Ministry of Education and Science of the Russian Federation, Federal Targeted Program "Research and Development in Priority Fields of Development of the Science and Technology Complex of Russia for 2007-2013", state contract no. 14.513.11.0023. . - ISSN 1063-7826. - ISSN 1090-6479

РУБ Physics, Condensed Matter
Рубрики:
GAS SENSOR RESPONSE
   INDIUM OXIDE-FILMS
   THIN-FILMS
   HIGH-PERFORMANCE
   TIN OXIDE
   TRANSPARENT CONDUCTORS
   SUBSTRATE-TEMPERATURE
   ROOM-TEMPERATURE
   TRANSISTORS
   PHOTOREDUCTION
Аннотация: Indium-oxide films are synthesized by the autowave-oxidation reaction. It is shown that, upon exposure to optical radiation, the resistance of the films sharply decreases and the maximal relative change in the resistance is 52% at room temperature. Two resistance relaxation rates after termination of the irradiation, 15 Omega s(-1) during the first 30 s and 7 Omega s(-1) over the remaining time, are determined. The data of infrared spectroscopy of the films show that exposure to optical radiation induces a 2.4% decrease in the transmittance at a wavelength of 6.3 mu m. It is found that, after termination of the irradiation, the transmittance gradually increases with a rate of 0.006% s(-1). It is suggested that photoreduction is the dominant mechanism responsible for changes in the electrical and optical properties of the In2O3 films.

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Публикация на русском языке Влияние фотооблучения и температуры на электрические и оптические свойства пленок In2O3, полученных автоволновым окислением [Текст] / И. А. Тамбасов [и др.] // Физ. и техника полупроводников : Санкт-Петербургская издательская фирма "Наука" РАН, 2014. - Т. 48 Вып. 2. - С. 220-224

Держатели документа:
Russian Acad Sci, Siberian Branch, LV Kirensky Phys Inst, Krasnoyarsk 660036, Russia
Siberian State Aerosp Univ, Krasnoyarsk 660037, Russia
Joint Stock Co Academician MF Reshetnev Informat, Zheleznogorsk 662972, Russia

Доп.точки доступа:
Tambasov, I. A.; Тамбасов, Игорь Анатольевич; Myagkov, V. G.; Мягков, Виктор Григорьевич; Ivanenko, A. A.; Иваненко, Александр Анатольевич; Bykova, L. E.; Быкова, Людмила Евгеньевна; Yozhikova, E. V.; Maksimov, I. A.; Ivanov, V. V.; Ministry of Education and Science of the Russian Federation [14.513.11.0023]
}
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Experimental and theoretical methods to study structural phase transition mechanisms in K3WO3F3 oxyfluoride / A. S. Krylov [et al.] // J. Solid State Chem. - 2014. - Vol. 218. - P. 32-37, DOI 10.1016/j.jssc.2014.05.028. - Cited References: 21. - The Authors are grateful to Prof. Zinenko V.I. for constructive discussion of the results. The work has been done with financial support of the Russian Foundation for Basic Research projects nos. 4828.2012.2, 12-02-31205; Federal Special Program "Scientific and scientific-pedagogical staff of innovative Russia" project no. 8379. . - ISSN 0022-4596. - ISSN 1095-726X

РУБ Chemistry, Inorganic & Nuclear + Chemistry, Physical
Рубрики:
LATTICE-DYNAMICS
   RAMAN-SCATTERING
   ELPASOLITE
   (NH4)3WO3F3
   SPECTROSCOPY
   CRYSTALS
Кл.слова (ненормированные):
Raman spectroscopy -- IR spectroscopy -- NMR spectroscopy -- High hydrostatic pressure -- Oxyfluorides -- Lattice dynamics calculations
Аннотация: The results of structural phase transitions mechanisms study in K3WO3F3oxyfluoride are represented by different experimental and theoretical methods. The structural phase transition anomalies at T1=452 K and T2=414 K of Raman and IR spectra have been analyzed. Using vibrational spectroscopy methods, the NMR-experiment has been done to clarify the nature of found phase transitions: displacive types or order-disorder types. The model of “disordered” crystal was proposed, and the results of lattice dynamics calculation in frameworks of the generalized Gordon–Kim method of ordered (R3) and “disordered” crystals were compared. The high pressure phases were studied by the Raman technique too.

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Держатели документа:
Russian Acad Sci, Siberian Branch, LV Kirensky Phys Inst, Krasnoyarsk 660036, Russia
Russian Acad Sci, Siberian Branch, VS Sobolev Inst Geol & Mineral, Novosibirsk 630090, Russia

Доп.точки доступа:
Krylov, A. S.; Крылов, Александр Сергеевич; Sofronova, S. N.; Софронова, Светлана Николаевна; Kolesnikova, E. M.; Колесникова, Евгения Михайловна; Ivanov, Y. N.; Иванов, Юрий Николаевич; Sukhovsky, A. A.; Суховский, Андрей Андреевич; Goryainov, S. V.; Ivanenko, A. A.; Иваненко, Александр Анатольевич; Shestakov, N. P.; Шестаков, Николай Петрович; Kocharova, A. G.; Кочарова, Алла Георгиевна; Vtyurin, A. N.; Втюрин, Александр Николаевич; Russian Foundation for Basic Research [4828.2012.2, 12-02-31205]; Federal Special Program "Scientific and scientific-pedagogical staff of innovative Russia" [8379]
}
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Flexible film broadband absorber based on diamond-graphite mixture and polyethylene / A. A. Ivanenko [et al.] // Opt. Mater. - 2017. - Vol. 73. - P. 388-392, DOI 10.1016/j.optmat.2017.08.041. - Cited References: 54. - This study was supported by the Russian Foundation for Basic Research (Grants No. 16-32-00302 мол_а), by the Council for Grants of the President of the Russian Federation (SP-317.2015.1), by Russian Foundation for Basic Research, Government of Krasnoyarsk Territory, Krasnoyarsk Region Science and Technology Support Fund to the research project No. 16-42-243059 р_мол_а and No. 16-48-242092 р_офи_м. . - ISSN 0925-3467
Кл.слова (ненормированные):
Flexible film broadband absorption -- Diamond-graphite mixture -- Polyethylene -- Reflectivity -- Transmittance
Аннотация: Flexible film broadband absorber based on diamond-graphite mixture and polyethylene was fabricated by hot pressing. The film thickness of the absorber was 90 μm. We have measured angular reflectivity, diffusional reflectivity and transmittance in the range 85–8000 cm−1 (117–1.25 μm) in order to determine the absorption. It was shown that room temperature pressing of mesh print with 250 μm step significantly reduces reflectivity of the absorber. The absorption was over 0.85 in the range 85–320 cm−1 (117–31.25 μm) and >0.98 in the range 320–8000 cm−1 (31.25–1.25 μm). We believe that the designed and manufactured absorber might become a promising material for optical devices where high broadband absorption and flexibility are required.

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Держатели документа:
Kirensky Institute of Physics, Federal Research Center KSC Siberian Branch of Russian Academy of Sciences, Akademgorodok 50, Krasnoyarsk, Russian Federation

Доп.точки доступа:
Ivanenko, A. A.; Иваненко, Александр Анатольевич; Tambasov, I. A.; Тамбасов, Игорь Анатольевич; Pshenichnaia, A. A.; Пшеничная, Анастасия Александровна; Shestakov, N. P.; Шестаков, Николай Петрович
}
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Influence of the Substitution of the Central Me Atom in Ammonium Oxyfluorides on Phase Transitions: IR Spectroscopy Study / A. N. Vtyurin [et al.] // Phys. Solid State. - 2011. - Vol. 53, Is. 4. - P. 840-844, DOI 10.1134/S1063783411040330. - Cited References: 7. - This study was supported by the Russian Foundation for Basic Research (project no. 08-02-00066-a). . - ISSN 1063-7834

РУБ Physics, Condensed Matter
Рубрики:
(NH4)(3)WO3F3
Аннотация: Comparative investigations of infrared absorption spectra of ion-molecular crystals of the ammonium-containing oxyfluorides (NH(4))(3)WO(3)F(3) and (NH(4))(3)MoO(3)F(3) have been performed. It has been found that the parameters of the vibrational spectra exhibit anomalies in the ranges of internal vibrations of the MeO(3)F(3) octahedral groups and ammonium ions near the phase transition temperatures. A comparative analysis of the IR spectra allows us to affirm that the studied phase transition in (NH(4))(3)WO(3)F(3) is primarily associated with the ordering of octahedral groups, whereas in (NH(4))(3)MoO(3)F(3), it is mainly due to the ordering of ammonium groups and the distortion of ammonium ions by the crystal environment.

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Держатели документа:
[Vtyurin, A. N.
Gerasimova, Yu V.
Shestakov, N. P.
Ivanenko, A. A.] Russian Acad Sci, LV Kirensky Phys Inst, Siberian Branch, Krasnoyarsk 660036, Russia
ИФ СО РАН
Kirensky Institute of Physics, Siberian Branch, Russian Academy of Sciences, Akademgorodok, Krasnoyarsk 660036, Russian Federation

Доп.точки доступа:
Vtyurin, A. N.; Втюрин, Александр Николаевич; Gerasimova, Y. V.; Герасимова, Юлия Валентиновна; Shestakov, N. P.; Шестаков, Николай Петрович; Ivanenko, A. A.; Иваненко, Александр Анатольевич
}
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10.

Infrared absorption investigation of the role of octahedral groups upon the phase transition in the Rb2KMoO3F3 crystal / Y. V. Gerasimova [et al.] // Phys. Solid State. - 2013. - Vol. 55, Is. 11. - P. 2331-2334, DOI 10.1134/S1063783413110097. - Cited References: 10. - This study was supported by the Russian Foundation for Basic Research (project no. 12-02-31205_mol_a), the Ministry of Education and Science of the Russian Federation within the framework of the Russian Federal Target Program "Scientific and Scientific-Pedagogical Human Resources for the Innovative Russia" (agreement no. 8379), and the Interdisciplinary Integration Project of the Siberian Branch of the Russian Academy of Science No. 28. . - ISSN 1063-7834

РУБ Physics, Condensed Matter

Аннотация: The infrared absorption spectra of the oxyfluoride Rb2KMoO3F3 have been measured in the frequency range corresponding to stretching vibrations of the Mo-O anion octahedron with the purpose of clarifying their role in the phase transition. A semi-empirical calculation of two possible configurations of quasioctahedral MoO3F3 groups has been performed. The results of the investigations have demonstrated that some octahedra in the crystal structure change the local symmetry from C (3v) to C (2v) due to the phase transition (T = 197 K).

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Публикация на русском языке Изучение роли октаэдрических групп при фазовом переходе в кристалле Rb2KMoO3F3 методом инфракрасного поглощения // Физика твердого тела. - 2013. - Т. 55, Вып. 11. - С. 2215-2217

Держатели документа:
Russian Acad Sci, Siberian Branch, Kirensky Inst Phys, Krasnoyarsk 660036, Russia
Russian Acad Sci, Siberian Branch, Inst Geol & Mineral, Novosibirsk 630090, Russia

Доп.точки доступа:
Gerasimova, Y. V.; Герасимова, Юлия Валентиновна; Oreshonkov, A. S.; Орешонков, Александр Сергеевич; Vtyurin, A. N.; Втюрин, Александр Николаевич; Ivanenko, A. A.; Иваненко, Александр Анатольевич; Isaenko, L. I.; Ershov, A. E.; Ершов, Александр Евгеньевич; Pogoreltsev, E. I.; Погорельцев, Евгений Ильич; Russian Foundation for Basic Research [12-02-31205_mol_a]; Ministry of Education and Science of the Russian Federation [8379]; Interdisciplinary Integration Project of the Siberian Branch of the Russian Academy of Science [28]
}
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11.

Infrared absorption spectra of a Nd0.5Ho0.5Fe3(BO3)4 crystal / Y. V. Gerasimova [et al.] // Phys. Solid State. - 2016. - Vol. 58, Is. 1. - P. 155-159, DOI 10.1134/S106378341601011X. - Cited References: 15. - This study was supported in part by the Russian Foundation for Basic Research (project no. 12-02-00825). . - ISSN 1063-7834

РУБ Physics, Condensed Matter
Рубрики:
HoFe3(BO3)4
Аннотация: Infrared absorption spectra of a Nd0.5Ho0.5Fe3(BO3)4 crystal in the spectral range of 30–1700 cm–1 have been measured at temperatures from 6 to 300 K. The experimental spectra have been analyzed based on the semiempirical calculation of the lattice dynamics and the analysis of correlation diagrams of borate complexes. No changes associated with structural phase transitions have been detected in the temperature range of measurements; the effect of magnetic ordering on the infrared absorption spectra has not been observed.

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Публикация на русском языке Спектры инфракрасного поглощения кристалла Nd0.5Ho0.5Fe3(BO3)4 [Текст] / Ю. В. Герасимова [и др.] // Физ. тверд. тела : Физико-технический институт им. А. Ф. Иоффе РАН, 2016. - Т. 58 Вып. 1. - С. 149-153

Доп.точки доступа:
Gerasimova, Y. V.; Герасимова, Юлия Валентиновна; Sofronova, S. N.; Софронова, Светлана Николаевна; Gudim, I. A.; Гудим, Ирина Анатольевна; Oreshonkov, A. S.; Орешонков, Александр Сергеевич; Vtyurin, A. N.; Втюрин, Александр Николаевич; Ivanenko, A. A.; Иваненко, Александр Анатольевич
}
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12.

Infrared absorption spectrum of HoFe3(BO3)4 crystal / S. N. Sofronova [et al.] // Vib. Spectrosc. - 2014. - Vol. 72. - P. 20-25, DOI 10.1016/j.vibspec.2014.02.005. - Cited References: 18. - The work was partially supported by the RFBR through Grants No. 13-02-00825 and 13-02-98041, SS-4828.2012.2. . - ISSN 0924-2031. - ISSN 1873-3697

РУБ Chemistry, Analytical + Chemistry, Physical + Spectroscopy
Рубрики:
MAGNETOELASTIC INTERACTIONS
IRON
GDFE3(BO3)4
Кл.слова (ненормированные):
Holmium ferroborate -- Infrared absorption
Аннотация: Infrared (IR) absorption spectra of HoFe3(BO3)4 crystal have been obtained in spectral range 30–7000 cm−1 at temperatures from 4 to 423 K. Vibrational frequencies have been simulated with ‘Lady’ software package both for high-temperature and low-temperature phases. The experimental spectra have been analyzed on the basis of calculated data, and interpreted within the framework of internal vibrations of ionic complexes of HoFe3(BO3)4 crystal lattice. The spectral range under study was observed to have no Davydov splitting of internal vibrational modes due to unit cell multiplication. No effects of magnetic ordering on the IR spectra of the crystal under study were observed in the low-temperature range.

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Держатели документа:
Kirensky Inst Phys SB RAS, Krasnoyarsk 660036, Russia
Siberian Fed Univ, Krasnoyarsk 660079, Russia

Доп.точки доступа:
Sofronova, S. N.; Софронова, Светлана Николаевна; Gerasimova, Y. V.; Герасимова, Юлия Валентиновна; Vtyurin, A. N.; Втюрин, Александр Николаевич; Gudim, I. A.; Гудим, Ирина Анатольевна; Shestakov, N. P.; Шестаков, Николай Петрович; Ivanenko, A. A.; Иваненко, Александр Анатольевич; RFBR [13-02-00825, 13-02-98041, SS-4828.2012.2]
}
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13.

    Interference sensitive selective photodetector / A. A. Ivanenko, V. F. Shabanov, A. M. Sysoev, N. P. Shestakov // Proceedings of SPIE - The International Society for Optical Engineering : 2nd International Conference on Advanced Optoelectronics and Lasers, CAOL 2005 / sponsors: IEEE/LEOS Ukraine Chapter, Union Radio-Scientifique Internationale, Commission "D", IEEE AP/MTT/ED/AES/GRS/NPS/EMB East Ukraine Joint Chapter, European Office of Aerospace Res. Development, AFOSR, AFRL, Office of Naval Research ; (2005 ; 12.09 - 17.09). - Yalta, 2008. - 7009. - С. 70091K, DOI 10.1117/12.795313 . - ISBN 9780819472199
   Перевод заглавия: Interference sensitive selective photodetector

РИНЦ,
Источник статьи

Доп.точки доступа:
sponsors: IEEE/LEOS Ukraine Chapter, Union Radio-Scientifique Internationale, Commission "D", IEEE AP/MTT/ED/AES/GRS/NPS/EMB East Ukraine Joint Chapter, European Office of Aerospace Res. Development, AFOSR, AFRL, Office of Naval Research; Ivanenko, A. A.; Иваненко, Александр Анатольевич; Shabanov, V. F.; Шабанов, Василий Филиппович; Sysoev, A. M.; Сысоев, Анатолий Михайлович; Shestakov, N. P.; Шестаков, Николай Петрович; (2005 ; 12.09 - 17.09)
Нет сведений об экземплярах (Источник в БД не найден)
}
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14.

IR spectroscopy study of A2A'MO3F3 cryolites-elpasolites / J. V. Gerasimova [et al.] // Ferroelectrics. - 2011. - Т. 416, № 1. - P. 108-112, DOI 10.1080/00150193.2011.577716 . - ISSN 0015-0193. - ISSN 1563-5112

РИНЦ
Держатели документа:
Kirensky Institute of Physics

Доп.точки доступа:
Gerasimova, J. V.; Герасимова, Юлия Валентиновна; Vtyurin, A. N.; Втюрин, Александр Николаевич; Ivanenko, A. A.; Иваненко, Александр Анатольевич; Shestakov, N. P.; Шестаков, Николай Петрович
}
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15.

Methods to determine crystal lattice parameters of opal-like structures / I. V. Nemtsev, O. V. Shabanova, I. A. Tambasov [et al.] // J. Struct. Chem. - 2021. - Vol. 62, Is. 4. - P. 641-650, DOI 10.1134/S0022476621040168. - Cited References: 45. - The research was carried out within the state assignment of the Ministry of Science and Higher Education of the Russian Federation (theme No. AAAA-A18-118041990041-8) . - ISSN 0022-4766
Кл.слова (ненормированные):
opal -- colloidal crystal -- stereoregularity -- poly(methyl methacrylate) -- dispersion medium -- photonic crystal structure -- optical spectroscopy -- Bragg diffraction -- electron microscopy
Аннотация: Series of high-quality spherical poly(methyl methacrylate) particles with a polydispersity less than 5% are prepared by chain-growth emulsifier-free controlled radical emulsion polymerization of methyl methacrylate in water. The average diameters in the series varied from 237 nm to 447 nm. The physico-chemical properties of obtained submicrospheres can be varied to make them more stable and stronger by a modified classical synthesis technology whereby 4-10 vol.% of dispersion medium is replaced by acetone. 2D and 3D photonic crystal structures, opals, are prepared from poly(methyl methacrylate) submicrospheres. The crystal structure of the opals is studied by IR spectroscopy and scanning electron microscopy. According to the spectroscopic data, the poly(methyl methacrylate) particles contain significant amounts of water whose evaporation leads to the shrinkage of the spheres. The stereoregularity of the synthesized polymer is studied, the glass-transition temperatures of obtained samples are determined.

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Публикация на русском языке Методы определения параметров кристаллической решетки опалоподобных структур [Текст] / И. В. Немцев, О. В. Шабанова, И. А. Тамбасов [и др.] // Журн. структ. химии. - 2021. - Т. 62 № 4. - С. 684-693

Держатели документа:
Federal Research Center, Krasnoyarsk Science Center, Siberian Branch, Russian Academy of Sciences, Krasnoyarsk, Russian Federation
Kirensky Institute of Physics, Federal Research Center, Krasnoyarsk Science Center, Siberian Branch, Russian Academy of Sciences, Krasnoyarsk, Russian Federation
Siberian Federal University, Krasnoyarsk, Russian Federation
Special Designing and Technological Bureau “Nauka” Krasnoyarsk Science Center, Siberian Branch, Russian Academy of Sciences, Krasnoyarsk, Russian Federation

Доп.точки доступа:
Nemtsev, I. V.; Немцев, Иван Васильевич; Shabanova, O. V.; Tambasov, I. A.; Тамбасов, Игорь Анатольевич; Ivanenko, A. A.; Иваненко, Александр Анатольевич; Cherepakhin, A. V.; Черепахин, Александр Владимирович; Shestakov, N. P.; Шестаков, Николай Петрович; Zyryanov, V. Ya.; Зырянов, Виктор Яковлевич
}
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16.

Phase transition in layered perovskite-like crystal CsScF4 / A. S. Krylov [et al.] // The Eighth Int. Sem. on Ferroelastic Phys. : book of abstracts. - 2015. - P. 21

Доп.точки доступа:
Krylov, A. S.; Крылов, Александр Сергеевич; Molokeev, M. S.; Молокеев, Максим Сергеевич; Krylova, S. N.; Крылова, Светлана Николаевна; Popova, V. A.; Попова В. А.; Ivanenko, A. A.; Иваненко, Александр Анатольевич; Ivanov, Y. N.; Иванов, Юрий Николаевич; Sukhovsky, A. A.; Суховский, Андрей Андреевич; Vtyurin, A. N.; Втюрин, Александр Николаевич; International seminar on ferroelastic physics(8 ; 2015 ; sept. ; 14-16 ; Voronezh); Международный семинар по физике сегнетоэластиков(8(13) ; 2015 ; сент. ; 13-16 ; Воронеж); Российская академия наук; Воронежский государственный технический университет
}
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17.

Photonic crystal structures based on submicron particles of polymethyl methacrylate / I. V. Nemtsev, O. V. Shabanova, N. P. Shestakov [et al.] // J. Phys. Conf. Ser. - 2021. - Vol. 1745: 6th International Conference on Information Technology and Nanotechnology, ITNT 2020 (26 - 29 May 2020, Samara, Russian Federation) Conference code: 167456, Is. 1. - Ст. 012024DOI 10.1088/1742-6596/1745/1/012024. - Cited References: 27. - We are grateful to the Krasnoyarsk Regional Center of Research Equipment of Federal Research Center «Krasnoyarsk Science Center SB RAS» for the provided equipment. The authors are also grateful to the Russian Foundation for Basic Research for financial support (grant No.18-42-243013)
Кл.слова (ненормированные):
IR absorption spectra -- Morphological parameters -- Photonic crystal films -- Poly(methyl methacrylate) (PMMA) -- Reflection spectra -- Resonance structure -- Sub-micron particles -- Submicron-sized spheres
Аннотация: Morphological parameters, reflection spectra, IR absorption spectra, and glass transition temperatures of submicron-sized spheres of poly(methyl methacrylate) (PMMA) formed in a water-acetone dispersion medium were studied in comparison with similar spheres obtained in distilled water. Dependence of a shrinkage degree of the submicrospheres on the concentration of acetone in water is studied. Features of the formation of periodic structures based on the water-acetone dispersions of PMMA in four different ways are considered. 2D (photonic crystal films) and 3D (artificial and inverse opals) resonance structures were obtained.

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Держатели документа:
Fed. Res. Ctr. Krasnoyarsk Science Center of the Siberian Branch of the Russian Academy of Sciences, Akademgorodok street 50, Krasnoyarsk, 660036, Russian Federation
Kirensky Institute of Physics, Fed. Res. Ctr. Krasnoyarsk Science Center of the Siberian Branch of the Russian Academy of Sciences, Akademgorodok street 50, bul. 38, Krasnoyarsk, 660036, Russian Federation
Siberian Federal University, Svobodny ave. 79, Krasnoyarsk, 660041, Russian Federation
Spec. Des. and Technol. Bur. Nauka Fed. Res. Ctr. Krasnoyarsk Sci. Ctr. of the Siberian Br. of the Russ. Acad. of Sci., Akademgorodok street 50, Krasnoyarsk, 660036, Russian Federation

Доп.точки доступа:
Nemtsev, I. V.; Немцев, Иван Васильевич; Shabanova, O. V.; Shestakov, N. P.; Шестаков, Николай Петрович; Ivanenko, A. A.; Иваненко, Александр Анатольевич; Cherepakhin, A. V.; Черепахин, Александр Владимирович; Zyryanov, V. Ya.; Зырянов, Виктор Яковлевич; International Conference on Information Technology and Nanotechnology(6 ; 2020 ; May 26 - 29 ; Samara, Russian Federation)
}
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18.

Raman and infrared characterization of gadolinium-doped manganese sulfide / Y. V. Gerasimova [et al.] // Spectrosc. Lett. - 2017. - Vol. 50, Is. 1. - P. 55-58, DOI 10.1080/00387010.2017.1287092. - Cited References: 34. - The authors are thankful to Dr. A.V. Shabanov for scanning electron microscopy study of the samples. . - ISSN 0038-7010
Кл.слова (ненормированные):
Infrared -- lattice dynamics -- manganese sulfide -- Raman
Аннотация: Gadolinium manganese sulfide solid solutions are investigated by infrared and Raman spectroscopy. Longitudinal optical–transverse optical splitting of the manganese–sulfur bond vibration is observed in the vibrational spectra. The Raman spectra contain modes that are prohibited in the crystal structure of the alpha phase of manganese sulfide, which are associated with activation of the phonons from both the Brillouin zone center and its X and L points. The concentration dependence of transverse optical and longitudinal optical modes’ frequencies is calculated within the frame of the modified random-element-isodisplacement model, being in good agreement with the experimental results. Both theory and experiment show that the solid solution under study exhibits a “one-mode” behavior. © 2017 Taylor & Francis.

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Держатели документа:
Laboratory of Molecular Spectroscopy, Kirensky Institute of Physics, Federal Research Center KSC SB RAS, Krasnoyarsk, Russian Federation
Department of Experimental Physics and Innovation Technology, Siberian Federal University, Krasnoyarsk, Russian Federation
Department of Photonics and Laser Technology, Siberian Federal University, Krasnoyarsk, Russian Federation
Laboratory of the Resonance Properties of Magnetically Ordered Media, Kirensky Institute of Physics, Federal Research Center KSC SB RAS, Krasnoyarsk, Russian Federation

Доп.точки доступа:
Gerasimova, Y. V.; Герасимова, Юлия Валентиновна; Oreshonkov, A. S.; Орешонков, Александр Сергеевич; Romanova, O. B.; Романова, Оксана Борисовна; Ivanenko, A. A.; Иваненко, Александр Анатольевич; Krylov, A. S.; Крылов, Александр Сергеевич
}
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19.

Raman and infrared spectroscopic characterization of Gd-doped MnS / J. V. Gerasimova [и др.] // XII Int. conf. "GeoRaman-2016" : abstract volume / compiled and edited by T.A. Alifirova, S.V. Rashchenko, A.V. Korsakov. - Novosibirsk : Офсет, 2016. - P. 15. - References: 2 . - ISBN 978-5-85957-124-6
Аннотация: Sulfides MeхMn1-хS (Me = 3d metal or Me = Re) are promising materials for the study of systems with metal-insulator phase transitions. Such solid solutions provide good possibility for studying the influence of cation-substitution-induced electron doping onto the optical properties of the materials. We investigated the Raman and IR spectra of new solid solution GdxMn1-xS for the three compositions with x = 0.04, 0.1 and 0.2. The program package LADY was used to perform lattice dynamics simulation of GdxMn1-xS crystals. The best agreement between experimental values of atomic vibrations and the calculated ones was obtained using the Rigid Ion Model. Raman spectra were excited by an argon ion laser (514.5 nm) with 5 mW output power. IR spectra for the compositions x = 0.1 and 0.2 show two absorption peaks, which are consistent with the simulated TO and LO modes. Raman spectrum for all tested compounds should be absent in case of ideal Fm3m structure. However, experimental Raman spectrum is found to exhibit several wellobservable lines in the frequency range from 50 to 700 cm-1 . The high-frequency part of the spectrum (above 500 cm-1 ) contains lines apparently due to the vibration of the molecular groups Mn2O3 and Mn3O4 formed under exposure of samples by laser radiation. The region 400-500 cm-1 in the Raman spectra is presented by peaks related to the vibrations of sulfur atoms in α - S8 phase [1]. Due to the violation of the translational symmetry, a manifestation of phonons from G, X, L, and W points of Brillouin zone is possible. On the basis of the calculations of lattice dynamics and dispersion curves for all phonon branches in Brillouin zone points noted above, experimental Raman lines were completely assigned. Vibrational spectra for the composition x = 0.04 are markedly different from those for compositions x = 0.1 and 0.2, which indicates that the compound GdxMn1-xS with x = 0.04 has differing structure; probably, this sample contains two phases [2].

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Доп.точки доступа:
Alifirova, T. A. \ed.\; Rashchenko, S. V. \ed.\; Korsakov, A. V. \ed.\; Gerasimova, J. V.; Герасимова, Юлия Валентиновна; Oreshonkov, A. S.; Орешонков, Александр Сергеевич; Krylov, A. S.; Крылов, Александр Сергеевич; Ivanenko, A. A.; Иваненко, Александр Анатольевич; Aplesnin, S. S.; Аплеснин, Сергей Степанович; Romanova, O. B.; Романова, Оксана Борисовна; Vtyurin, A. N.; Втюрин, Александр Николаевич; "GeoRaman", International conference(12 ; 2016 ; June ; 9-15 ; Novosibirsk); Российская академия наук; Сибирское отделение РАН; Институт геологии и минералогии им. В.С. Соболева Сибирского отделения РАН
}
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20.

    Resistive switching properties of a nanostructured layer of mixed ZrO2 phases obtained in low-pressure arc discharge plasma / I. V. Karpov, L. Yu Fedorov, A. K. Abkaryan [et al.] // Vacuum. - 2024. - Vol. 227. - Ст. 113375, DOI 10.1016/j.vacuum.2024.113375. - Cited References: 34. - The work was performed with a support of the grant of the Russian Science Foundation (Project No. 24-29-00374, https://rscf.ru/project/24-29-00374/) . - ISSN 0042-207X. - ISSN 1879-2715
   Перевод заглавия: Резистивные коммутационные свойства наноструктурированного слоя смешанных фаз ZrO2, полученного в плазме дугового разряда низкого давления
Кл.слова (ненормированные):
Zirconium oxide -- Vacuum arc -- Physical vapor deposition -- Phase stability
Аннотация: The controlled vacuum-arc synthesis of zirconium dioxide (ZrO2) nanoparticles is considered, which makes it possible to regulate the percentage ratio of the monoclinic and tetragonal phases. The samples were characterized using XRD analysis, SEM, HRTEM analysis, FT-IR analysis, TG/DTA analysis and EPR spectroscopy. It has been established that the formation of the tetragonal phase is associated with the formation of a large number of oxygen vacancies formed due to high-speed quenching of nanoparticles. Reducing the operating gas pressure in a vacuum chamber from 180 Pa to 30 Pa makes it possible to obtain nanoparticles up to 2 nm in size. The synthesized ZrO2 nanoparticles do not contain foreign impurities and when heated, the weight loss is up to 7 %. The process of local resistive switching in the contact of an atomic force microscope (AFM) probe to a nanostructured ZrO(2-x) layer on a conducting substrate has been studied. Cyclic current-voltage characteristics demonstrate the existence of stable states of high and low resistance, switched by changing the polarity of the applied voltage. The coexistence of the m- and t-ZrO2 phases (and the resulting oxygen nonstoichiometry in the interboundary regions) provides conditions for the formation/destruction of a filament from oxygen vacancies, which determine the conductivity of the dielectric in the LRS state.

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Держатели документа:
Siberian Federal University, 660041, Krasnoyarsk, Russian Federation
Federal Research Center Krasnoyarsk Scientific Center of the Siberian Branch of the Russian Academy of Sciences, 660036, Krasnoyarsk, Russian Federation
Kirensky Institute of Physics, Federal Research Center KSC SB RAS, 660036, Krasnoyarsk, Russian Federation

Доп.точки доступа:
Karpov, I.V.; Fedorov, L. Yu; Abkaryan, A.K.; Zharkov, S. M.; Жарков, Сергей Михайлович; Molokeev, M. S.; Молокеев, Максим Сергеевич; Ivanenko, A. A.; Иваненко, Александр Анатольевич; Nemtsev, I. V.; Немцев, Иван Васильевич; Irtyugo, L.A.
}
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