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(La0.4Eu0.6)0.7Pb0.3MnO3 single crystal: magnetic and transport properties; electron magnetic resonance measurements / K. G. Patrin [et al.] // Workshop INTAS - Sib. Branch of the RAS Sci. Cooperation on the Res. Project “New Layered 3d-Materials for Spintronics” / chairman G. A. Petrakovskii. - 2007. - P. 15
Аннотация: INTAS (The International Association for the Promotion of Cooperation with Scientists from the New Independent States of the Former Soviet Union) — международная ассоциация по содействию сотрудничеству с учёными новых независимых государств бывшего Советского Союза. Некоммерческая организация, финансировалась главным образом из бюджета Европейского Союза. Являлась крупнейшим фондом, поддерживающим научное сотрудничество между учёными стран бывшего СССР и Европейского Союза с 1993 г. Программы INTAS охватывали широкий круг научно-исследовательских проблем. 22 сентября 2006 года было принято решение о прекращении осуществления программы на основании рекомендации Европейской Комиссии. С 1 апреля 2007 года прекратилось распределение новых грантов.

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Доп.точки доступа:
Petrakovskii, G. A. \chairman\; Петраковский, Герман Антонович; Patrin, K. G.; Патрин, Константин Геннадьевич; Volkov, N. V.; Волков, Никита Валентинович; Petrakovskii, G. A.; Boni, P.; Clementyev, E.; Sablina, K. A.; Саблина, Клара Александровна; Eremin, E. V.; Еремин, Евгений Владимирович; Vasilev, V.; Vasiliev, A. D.; Васильев, Александр Дмитриевич; Molokeev, M. S.; Молокеев, Максим Сергеевич; "New Layered 3d-Materials for Spintronics", Workshop INTAS - Siberian Branch of the Russian Academy of Sciences Scientific Cooperation on the Research Project(2007 ; March 20-23 ; Krasnoyarsk)
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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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A comparative study of γ-Fe2O3 and ε-Fe2O3 nanoparticles arising in borate glasses doped with Fe and Gd / O. S. Ivanova [et al.] // VI Euro-Asian Symposium "Trends in MAGnetism" (EASTMAG-2016) : abstracts / ed.: O. A. Maksimova, R. D. Ivantsov. - Krasnoyarsk : KIP RAS SB, 2016. - Ст. P9.11. - P. 397. - References: 1. - The work was supported partly by the RFBR grant No. 14-02-01211 . - ISBN 978-5-904603-06-9
Кл.слова (ненормированные):
magnetic nanoparticles -- magnetic circular dichroism -- magnetic measurements

Доп.точки доступа:
Ivanova, O. S.; Иванова, Оксана Станиславовна; Ivantsov, R. D.; Иванцов, Руслан Дмитриевич; Edelman, I. S.; Эдельман, Ирина Самсоновна; Petrakovskaja, E. A.; Петраковская, Элеонора Анатольевна; Euro-Asian Symposium "Trends in MAGnetism"(6 ; 2016 ; Aug. ; 15-19 ; Krasnoyarsk); "Trends in MAGnetism", Euro-Asian Symposium(6 ; 2016 ; Aug. ; 15-19 ; Krasnoyarsk); Институт физики им. Л.В. Киренского Сибирского отделения РАН

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    A comparative study of γ-Fe2O3 and ε-Fe2O3 nanoparticles arising in borate glasses doped with Fe and Gd / O. S. Ivanova [et al.] // J. Sib. Fed. Univ. Math. Phys. - 2016. - Vol. 9, Is. 4. - P. 459–462 ; Журн. СФУ. Сер. "Математика и физика", DOI 10.17516/1997-1397-2016-9-4-459-462. - Cited References: 6. - The work was supported partly by the RFBR, 14-02-01211-a, and by the President of Russia Grant NSh-7559.2016.2. . - ISSN 1997-1397
   Перевод заглавия: Сравнительное изучение γ-Fe2O3 и ϵ-Fe2O3 наночастиц, формирующихся в стекле, допированном железом и гадолинием
Кл.слова (ненормированные):
magnetic nanoparticles -- magnetic circular dichroism -- magnetic measurements -- магнитные наночастицы -- магнитный круговой дихроизм -- магнитные измерения
Аннотация: Formation and properties of the iron oxides γ -Fe2O3 and ϵ-Fe2O3 nanoparticles arising in glasses of basic compositions Ge2O-K2O-Al2O3-B2O3 and K2O-Al2O3-B2O3 doped with different concentrations of Fe2O3 and Gd2O3 and subjected to the additional thermal treatment are studied. The X-ray diffraction, TEM microscopy, magnetooptical effects, and electron spin resonance study allow elucidating the matrix and Gd role in determining the nanoparticle properties.
Изучены свойства наночастиц γ-Fe2O3 и ϵ-Fe2O3, формирующихся в стеклах основного состава Ge2O-K2O-Al2O3-B2O3 и K2O-Al2O3-B2O3, допированных Fe2O3 и Gd2O3 и подвергнутых дополни- тельной термической обработке. Результаты исследования рентгеновской дифракции, электрон- ной микроскопии, магнитооптических эффектов и электронного спинового резонанса позволили объяснить роль матрицы и гадолиния в определении свойств наночастиц.

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Доп.точки доступа:
Ivanova, O. S.; Иванова, Оксана Станиславовна; Ivantsov, R. D.; Иванцов, Руслан Дмитриевич; Edelman, I. S.; Эдельман, Ирина Самсоновна; Petrakovskaja, E. A.; Петраковская, Элеонора Анатольевна

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Fomin, S. V.
A dielectric model for frozen mineral soils at a frequency of 435 MHz / S. Fomin, K. Muzalevskiy // Remote Sens. Lett. - 2021. - Vol. 12, Is. 9. - P. 944-950, DOI 10.1080/2150704X.2021.1947537. - Cited References: 16. - This work was supported by the state assignment of the Ministry of Science and Higher Education of the Russian Federation [project No. 0287-2021-0034] . - ISSN 2150-704X
Кл.слова (ненормированные):
Mean square error -- Mixer circuits -- Permittivity -- Remote sensing -- Soil moisture -- Soil surveys -- Coefficient of determination -- Complex relative permittivity -- Dielectric measurements -- Practical engineering -- Retrieval algorithms -- Root mean square errors -- Spectroscopic models -- Volumetric soil moistures -- Frozen soils
Аннотация: A single frequency refractive mixing dielectric model at 435 MHz for frozen mineral soils is proposed. The model was created based on the laboratory dielectric measurements of three soil samples in the ranges of soil moisture from 0.01cm3 cm−3 to 0.42cm3 cm−3, temperature from– 30°C to– 1°C, clay content (by weight) from 9.1% to 41.3%. Coefficient of determination R2 and root mean square error (RMSE) predicted by the model and measured values for real () and imaginary () part of the complex relative permittivity (CRP) are = 0.988 (= 0.323) and = 0.987 (= 0.100). Compared to well-known spectroscopic models, this model is simpler in practical engineering use. The input parameters of the model are the volumetric soil moisture, temperature and the content of the clay fraction. The output parameters are the real and imaginary parts of the CRP. The created model may be used to develop new remote sensing retrieval algorithms of temperature, the content of unfrozen water and ice in the root zone of frozen soils for northern regions.ε 'ε ''R2ε 'RMSEε 'R2ε ''RMSEε ''

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Держатели документа:
Laboratory of Radiophysics of the Earth Remote Sensing, Kirensky Institute of Physics Federal Research Center KSC Siberian Branch Russian Academy of Sciences, Krasnoyarsk, Russian Federation

Доп.точки доступа:
Muzalevskiy, K. V.; Музалевский, Константин Викторович; Фомин, Сергей Викторович
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Shevtsov, D. V.
An ultrahigh-vacuum multifunctional apparatus for synthesis and in situ investigation of low-dimensional structures by spectral magnetoellipsometry in the temperature range of 85–900 K / D. V. Shevtsov, S. A. Lyaschenko, S. N. Varnakov // Instrum. Exp. Tech. - 2017. - Vol. 60, Is. 5. - P. 759-763, DOI 10.1134/S0020441217050086. - Cited References: 19. - This study was supported by a Grant of the President of the Russian Federation for Support of Leading Schools (project no. NSh-7559.2016.2), by the Russian Foundation for Basic Research, the Government of Krasnoyarsk krai, and the Krasnoyarsk krai foundation for support of scientific and research and technical activity as a part of the scientific project no. 16-42-243058. . - ISSN 0020-4412
Кл.слова (ненормированные):
Semiconducting silicon -- Temperature distribution -- Ultrahigh vacuum -- Ellipsometric measurements -- In-situ investigations -- Low dimensional structure -- Metallic nanostructure -- Multifunctional apparatus -- Optical and magneto-optical properties -- Temperature dependence -- Temperature range -- Optical properties
Аннотация: This paper presents the results of modernizing an ultrahigh-vacuum multifunctional apparatus that allows one to obtain semiconductor or metallic nanostructures in a single technological cycle and to investigate their optical and magneto-optical properties in a temperature range of 85–900 K. The capabilities of the developed system were demonstrated based on the example of studying the temperature dependence of the bulk Si permittivity via spectral ellipsometric measurements. © 2017, Pleiades Publishing, Inc.

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Публикация на русском языке Шевцов, Дмитрий Валентинович. Сверхвысоковакуумная многофункциональная установка для синтеза низкоразмерных структур и их in situ исследований методом спектральной магнитоэллипсометрии в температурном диапазоне 85-900 K [Текст] / Д. В. Шевцов, С. А. Лященко, С. Н. Варнаков // Приборы и техн. эксперим. : Наука, 2017. - № 5. - С. 146-150

Держатели документа:
Kirenskiy Institute of Physics, Federal Research Center, Siberian Branch, Russian Academy of Sciences, Krasnoyarsk, Russian Federation
Reshetnev Siberial State Aerospace University, Krasnoyarsk, Russian Federation

Доп.точки доступа:
Lyashchenko, S. A.; Лященко, Сергей Александрович; Varnakov, S. N.; Варнаков, Сергей Николаевич; Шевцов, Дмитрий Валентинович
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Maximova, O. A.
Analytical calculation of dielectric permittivity tensor from magneto-optical ellipsometry measurements / O. Maximova, S. Ovchinnikov, S. Lyaschenko // J. Phys. A. - 2021. - Vol. 54, Is. 29. - Ст. 295201, DOI 10.1088/1751-8121/abfe72. - Cited References: 24. - This study was supported by the Government of the Russian Federation (Agreement No. 075-15-2019-1886) . - ISSN 1751-8113. - ISSN 1751-8121

РУБ Physics, Multidisciplinary + Physics, Mathematical
Рубрики:
FILMS
Кл.слова (ненормированные):
ellipsometry -- dielectric permittivity tensor -- ferromagnetics -- transverse magneto-optical Kerr effect
Аннотация: Magneto-optical ellipsometry combines ellipsometry and magneto-optical Kerr effect measurements which are two powerful techniques. The main difficulty is usually in data processing as a number of parameters should be extracted from measured ellipsometric (ψ, Δ) and magneto-ellipsometric (δψ, δΔ) parameters. Standard procedure of solving magneto-ellipsometry equations involves numerical calculations. In this paper we show that it is possible to find out all elements of dielectric permittivity tensor without numerical calculation methods. It means that the inverse problem of magneto-optical ellipsometry can be solved analytically in the case of expansion of magneto-ellipsometric parameters δψ and δΔ with respect to two small parameters. We present a full set of mathematical expressions that enable us to calculate complex refraction index and complex magneto-optical parameter of a sample from magneto-optical ellipsometry measurements, thereby obtaining diagonal and off-diagonal complex elements of dielectric permittivity tensor. This analytical approach can be used in case of the contribution from magnetism into reflection coefficients being small.

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Держатели документа:
Kirensky Inst Phys SB RAS, 50-38 Akademgorodok, Krasnoyarsk 660036, Russia.
Siberian Fed Univ, 79 Svobodny Pr, Krasnoyarsk 660041, Russia.

Доп.точки доступа:
Ovchinnikov, S. G.; Овчинников, Сергей Геннадьевич; Lyashchenko, S. A.; Лященко, Сергей Александрович; Максимова, Ольга Александровна; Government of the Russian Federation [075-15-2019-1886]
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Antiferromagnetic resonance and magnetic anisotropy in PrxY1−xFe3(BO3)4 crystals in the region of the magnetic structure transformation “easy axis – easy plane” / A. I. Pankrats, S. M. Zharkov, G. M. Zeer, I. A. Gudim // J. Alloys Compd. - 2022. - Vol. 909. - Ст. 164821, DOI 10.1016/j.jallcom.2022.164821. - Cited References: 37. - The authors acknowledge the assistance of R. Mironov in some resonance measurements. The SEM and EDS investigations were conducted in the SFU Joint Scientific Center supported by the State assignment (#FSRZ-2020–0011) of the Ministry of Science and Higher Education of the Russian Federation . - ISSN 0925-8388
Кл.слова (ненормированные):
Magnetically ordered materials -- Rare earth alloys and compounds -- Spin dynamics -- Anisotropy -- Magnetic measurements -- Scanning electron microscopy, SEM
Аннотация: The spin dynamics, magnetic structures and magnetic anisotropy of single crystals PrxY1−xFe3(BO3)4 have been studied using antiferromagnetic resonance (AFMR) in a wide range of frequencies, magnetic fields, and temperatures. The frequency-field dependences of AFMR for the crystals with x = 0.25 and 0.45 are characteristic of antiferromagnets with the easy plane (EP) anisotropy. The crystals with x = 0.75 and 1.0 exhibit frequency-field dependences that are typical for antiferromagnets with the easy axis (EA) anisotropy. In these crystals, a significant decrease in the effective anisotropy fields of praseodymium upon the transition to the spin-flop state has been found. It is shown that this is the main reason for the large lability intervals, within which the regions of coexistence of the collinear and spin-flop states overlap. In the crystal with x = 0.67, the magnetic field applied along the trigonal axis of the crystal leads to the spin reorientation transition from the EA to the EP state. A magnetic phase diagram of the states on the plane "magnetic field - temperature" is built. In this crystal, the effective anisotropy field of praseodymium also decreases upon the transition to the field-induced EP state. Diamagnetic dilution of the praseodymium subsystem leads to the contribution of this subsystem to the total anisotropy field depending almost linearly on the praseodymium concentration.

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Держатели документа:
Kirensky Institute of Physics, Federal Research Center KSC SB RAS, Akademgorodok 50/38, Krasnoyarsk, 660036, Russian Federation
Siberian Federal University, 79 Svobodny st., Krasnoyarsk, 660041, Russian Federation

Доп.точки доступа:
Pankrats, A. I.; Панкрац, Анатолий Иванович; Zharkov, S. M.; Жарков, Сергей Михайлович; Zeer, G. M.; Gudim, I. A.; Гудим, Ирина Анатольевна
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Application of DMA 242 C for quasi-static measurements of piezoelectric properties of solids / P. P. Turchin, V. I. Turchin, S. V. Yurkevich [et al.] // J. Sib. Fed. Univ. Math. Phys. - 2020. - Vol. 13, Is. 1. - P. 97-103 ; Журн. СФУ. Матем. и физика, DOI 10.17516/1997-1397-2020-13-1-97-103. - Cited References: 26. - The reported study was funded by Russian Foundation for Basic Research project no. 18-42-240016, Government of Krasnoyarsk Territory, Krasnoyarsk Regional Fund of Science, to the research project: "Electromechanical Properties and Anisotropy of Acoustic Wave Propagation in Yttrium Aluminoborates Single Crystals" . - ISSN 1997-1397
Кл.слова (ненормированные):
Piezoelectric modules -- Quasistatic method -- Multiferroics
Аннотация: An experimental device for quasi-static measurements of piezoelectric moduli dijk, based on the possibilities of precision variations in mechanical stresses with the device DMA 242 C in the frequency range 0-100 Hz has been developed. A special sample holder and a charge amplifier are used in the measuring scheme. The measurements of piezoelectric moduli values of trigonal piezoelectric single crystalls La3Ga5SiO14 (P321) and YAl3(BO3)4 (R32), as well as hexagonal ZnO (P63mc) have been carried out.

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Держатели документа:
Kirensky Institute of Physics Federal Research Center KSC SB RAS, Krasnoyarsk, Russian Federation
Siberian Federal University, Krasnoyarsk, Russian Federation

Доп.точки доступа:
Turchin, P. P.; Турчин, Павел Петрович; Turchin, V. I.; Yurkevich, S. V.; Sukhodaev, P. O.; Raikova, I. S.

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10.

Atom-density distribution in a metal vapor cell studied by 3rd-harmonic generation / M. K. Kodirov [et al.] // Appl. Phys. B. - 1988. - Vol. 45, Is. 1. - P. 47-52, DOI 10.1007/BF00692341. - Cited References: 20 . - ISSN 0721-7269

РУБ Physics, Applied

Кл.слова (ненормированные):
42.65 -- 42.80 -- CESIUM AND ALLOYS - Applications -- LIGHT - Nonlinear Optical Effects -- SPECTROSCOPY - Measurements -- ATOM-DENSITY DISTRIBUTION -- CESIUM VAPORS -- METAL VAPOR CELL -- THIRD-HARMONIC GENERATION -- VAPORS

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Держатели документа:
USSR Academy of Sciences, Siberian Branch, L. V. Kirensky Institute of Physics, Krasnoyarsk, SU-66036, Russia

Доп.точки доступа:
Kodirov, M. K.; Popov, A. K.; Попов, Александр Кузьмич; Slabko, V. V.; Слабко, Виталий Васильевич; Yakhnin, V. Z.
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