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1.
Val'kov, V. V.
Double exchange model in the problem of the colossal magnetoresistance
manganites
/ V. V. Val'kov> //
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. 8
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; Вальков, Валерий Владимирович; "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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2.
Two-dimensional antiferromagnetic correlations
in an La1.4Sr1.6(Mn0.9Co0.1)2O7 single crystal / A. A. Bykov [et al.]> // J. Exp. Theor. Phys. - 2017. -
Vol. 124
,
Is. 5
. - P. 786-791,
DOI
10.1134/S1063776117050120. - Cited References: 20 . - ISSN 1063-7761
Кл.слова (ненормированные):
Antiferromagnetism
--
Cobalt
--
Cobalt compounds
--
Lanthanum compounds
--
Magnetization
--
Magnetostriction
--
Antiferromagnetic correlations
--
Bi-layer
--
Ferromagnetic orderings
--
Field dependence
--
Lanthanum
manganites
--
Single-crystal neutron diffraction
--
Single crystals
Аннотация:
The temperature and field dependences of the magnetization, the electrical resistivity, and the magnetostriction of bilayer lanthanum manganite La1.4Sr1.6Mn2O7 single crystals and cobalt-doped La1.4Sr1.6(Mn0.9Cu0.1)2O7 are measured. The magnetostriction of the cobalt-doped compound increases as compared to the initial La1.4Sr1.6Mn2O7 compound, and the magnetization and the magnetoresistance of the former compound change substantially. Powder and single-crystal neutron diffraction patterns are used to detect ferromagnetic ordering in La1.4Sr1.6(Mn0.9Co0.1)2O7 at a temperature below TC ~ 45(2) K, and this ordering coexists with antiferromagnetic correlations, which develop at temperatures below TC ~ 80(5) K. © 2017, Pleiades Publishing, Inc.
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Публикация на русском языке
Двумерные антиферромагнитные корреляции в монокристалле La1.4Sr1.6(Mn0.9Co0.1)2O7 [Текст] / А. А. Быков [и др.] // Журн. эксперим. и теор. физ. : Наука, 2017. - Т. 151 Вып. 5. - С. 924-929
Держатели документа:
Konstantinov St. Petersburg Nuclear Physics Institute, Russian Academy of Sciences, Gatchina, Leningrad oblast, Russian Federation
St. Petersburg State University, St. Petersburg, Russian Federation
Kirensky Institute of Physics, Siberian Branch, Russian Academy of Sciences, Krasnoyarsk, Russian Federation
Max Plank Institute for Chemical Physics of Solids, Dresden, Germany
Доп.точки доступа:
Bykov, A. A.; Zobkalo, I. A.; Dubrovskii, A. A.; Дубровский, Андрей Александрович; Smirnov, O. P.; Nikitin, S. E.; Terent'ev, K. Yu.; Терентьев, Константин Юрьевич; Gavrilov, S. V.; Shaikhutdinov, K. A.; Шайхутдинов, Кирилл Александрович
}
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3.
Magnetic and XMCD
studies of Pr1-xSrxMnO3 manganite films / Y. E. Samoshkina [et al.]> // J. Magn. Magn. Mater. - 2017. -
Vol. 428
. - P. 43-49,
DOI
10.1016/j.jmmm.2016.12.014. - Cited References: 52. - The work was supported by the Russian Foundation for Basic Research, Project no's. 14-02-01211, 16-32-00209 mol_a, and also the Grant of the President of the Russian Federation no. NSh- 7559.2016.2, and the Ministry of Education and Science of the Russian Federation, Project no. 1362. . - ISSN 0304-8853
Перевод заглавия:
Магнитное и XMCD изучение пленок манганита Pr1−xSrxMnO3
Кл.слова (ненормированные):
Hole-doped
manganites
--
Thin films
--
Magnetic measurements
--
Spin-glass behavior
--
X-ray magnetic circular dichroism
Аннотация:
Magnetic properties of the Pr0.8Sr0.2MnO3 and Pr0.6Sr0.4MnO3 polycrystalline films have been studied using temperature and magnetic field dependences of the static magnetization and X-ray magnetic circular dichroism (XMCD) spectroscopy. For the both compositions, the difference between the temperature dependences of magnetization obtained in the zero fields cooling (ZFC) and field cooling (FC) modes has been revealed. The ZFC curves demonstrate a pronounced maximum at temperature Tm. It is shown that the Tm value dependence on the magnetic field follows the Almeida-Thouless line typical for the classic spin glass, what allows us to assume the possible spin-glass behavior of the films. Effect of the disorder in a direction of the crystallites easy-axis on the difference between FC and ZFC curves has been discussed also. Magnetic field dependences of the sample magnetization are presented by the hysteresis loops with the shape changing upon temperature variation. This behavior has been attributed to the effect of crystallographic anisotropy and Pr ions. The spectra and magnetic field dependences of XMCD at the Pr L2- and Mn K-edges have been studied at 90 K. The magnetic field dependences of the XMCD at the Pr L2-edge had shown Van Vleck paramagnetism from Pr3+ ions. © 2016 Elsevier B.V.
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Держатели документа:
Kirensky Institute of Physics, Federal Research Center KSC SB RAS, Krasnoyarsk, Russian Federation
Ural Federal University, Yekaterinburg, Russian Federation
European Synchrotron Radiation Facility (ESRF), BP 220, Grenoble, France
National University of Science and Technology “MISiS”, Moscow, Russian Federation
Доп.точки доступа:
Samoshkina, Yu. E.; Самошкина, Юлия Эрнестовна; Edelman, I. S.; Эдельман, Ирина Самсоновна; Stepanova, E. A.; Neznakhin, D. S.; Ollefs, K.; Andreev, N. V.; Chichkov, V. I.
}
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4.
Effect of Isovalent
Cation Substitution on the Thermal, Caloric, and Magnetocaloric Properties of the (La1 – yEuy)0.7Pb0.3MnO3
Manganites
/ A. V. Kartashev [et al.]> // Phys. Solid State. - 2019. -
Vol. 61
,
Is. 1
. - P. 62-68,
DOI
10.1134/S1063783419010116. - Cited References: 27. - This study was supported by the Russian Foundation for Basic Research, the Government of the Kras-noyarsk Territory, and the Krasnoyarsk Territorial Foundation for Support of the Scientific and R&D Activity, project no. 17-42-240076 “Complex Approach to Searching and Development of Promising Solid-State Ferroic Cooling Agents Based on the Single-and Multicaloric Effects.” The authors thank M.S. Molokeev for structural characterization of the composites. . - ISSN 1063-7834
Аннотация:
Crystalline samples of the (La1 – yEuy)0.7Pb0.3MnO3 (y = 0, 0.2, 0.4, 0.5, 0.6, and 0.8) manganite solid solutions have been grown. Temperature dependences of the specific heat, thermal expansion, and high-intensity magnetocaloric effect have been investigated. A comparative analysis of the effect of isovalent cationic substitution on the thermal and caloric parameters of the ferromagnetic phase transition has been made. It has been shown that the growth of the Eu atom concentration leads to a decrease in the phase transition entropy and an increase in the baric coefficient dT/dp. Field and temperature dependences of the magnetocaloric effect have been established. It is demonstrated that, varying the ratio of cations, one can obtain the solid solutions with the maximum magnetocaloric effect value in fields of up to 6 kOe in a temperature range of 90–340 K. Owing to the similar reduced relative cooling powers, the investigated solid solutions can be used as reference solid-state cooling media in designing the cascade cooling systems.
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Публикация на русском языке
Влияние изовалентного замещения катионов на термические, калорические и магнетокалорические свойства манганитов (La1-yEuy)0.7Pb0.3MnO3 [Текст] / А. В. Карташев [и др.] // Физ. тверд. тела. - 2019. - Т. 61 Вып. 1. - С. 200-206
Держатели документа:
Kirensky Institute of Physics, Krasnoyarsk Scientific Center, Siberian Branch, Russian Academy of Sciences, Krasnoyarsk, 660036, Russian Federation
Krasnoyarsk State Pedagogical University, Krasnoyarsk, 660049, Russian Federation
Institute of Engineering Physics and Radio Electronics, Siberian Federal University, Krasnoyarsk, 660041, Russian Federation
Доп.точки доступа:
Kartashev, A. V.; Карташев, Андрей Васильевич; Flerov, I. N.; Флёров, Игорь Николаевич; Gorev, M. V.; Горев, Михаил Васильевич; Mikhashenok, N. V.; Михашенок, Наталья Владимировна
}
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5.
Correlation between magneto-optical
and transport properties of Sr doped manganite films / Y. E. Samoshkina [et al.]> // J. Alloys Compd. - 2019. -
Vol. 782
. - P. 334-342,
DOI
10.1016/j.jallcom.2018.12.158. - Cited References: 51. - The authors are grateful to A.V. Malakhovskii (Kirensky Institute of Physics, Federal Research Center KSC SB RAS) for fruitful discussions of the magneto-optics data and V.I. Chichkov and N.V. Andreev (National University of Science and Technology MISiS) for the preparation of the manganite films. The work was supported partly by Russian Academy of Sciences , [grant number 0356-2017-0030 ], and the Russian Foundation for Basic Research , [grant number 16-32-00209 ]. . - ISSN 0925-8388
Кл.слова (ненормированные):
Thin films
--
Manganites
--
Crystal structure
--
Electrical transport
--
Electronic properties
--
Magnetic circular dichroism
Аннотация:
The features of electronic structure of La0.7Sr0.3MnO3 Pr0.8Sr0.2MnO3, and Pr0.6Sr0.4MnO3 polycrystalline films of different thickness have been investigated using magnetic circular dichroism (MCD) in the range of 1.1–4.2 eV. The temperature behavior of the samples electrical resistance were also has been studied. It was found that films with high Sr content (0.3 and 0.4) act as high-temperature semiconductors, while the maximum in the temperature dependences of resistivity these films indicates the transition of the samples to the metallic state at some temperature TM-S, which is different for different sample thickness. The films with the lower Sr content (0.2) act as insulators in the used temperature range. The MCD spectra have been decomposed to the Gaussian-shaped lines, and the temperature dependence of intensity of each line has been analyzed in comparison with temperature dependence of the films magnetization and with their electric conductivity type. Different temperature behavior of the intensity of four specified Gaussian-lines was revealed for semiconductor films. In the case of insulating Pr0.8Sr0.2MnO3 samples, the intensity of three specified Gaussian lines changes with the temperature in the same way as the magnetization changed. It was established that the lanthanide (La, Pr) type does not affect the MCD spectra shape for the films with the same electrical conductivity type. Besides, the correlation between the MCD data of the films and their conductivity type was revealed. Due to the detailed analysis of the specified Gaussian lines with taking into account the well-known in the literature absorption bands, lying outside the studied spectral region, the MCD bands for the studied manganite films have been identified with electronic transitions of a different nature.
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Держатели документа:
Kirensky Institute of Physics, Federal Research Center KSC SB RAS, Krasnoyarsk, 660036, Russian Federation
Siberian Federal University, Krasnoyarsk, 660041, Russian Federation
Доп.точки доступа:
Samoshkina, Yu. E.; Самошкина, Юлия Эрнестовна; Edelman, I. S.; Эдельман, Ирина Самсоновна; Rautskii, M. V.; Рауцкий, Михаил Владимирович; Molokeev, M. S.; Молокеев, Максим Сергеевич
}
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6.
Crystal formation of
Cu-Mn-containing oxides and oxyborates in bismuth-boron fluxes diluted by MoO3 and Na2CO3 / E. Moshkina [et al.]> // J. Cryst. Growth. - 2018. -
Vol. 503
. - P. 1-8,
DOI
10.1016/j.jcrysgro.2018.09.011. - Cited References: 26. - This study was supported by Russian Foundation for Basic Research (RFBR) according to the research project No. 17-02-00953 A. . - ISSN 0022-0248
Кл.слова (ненормированные):
Characterization
--
Growth from solutions
--
Single crystal growth
--
Manganites
--
Magnetic materials
Аннотация:
The high-temperature crystallizing phases of fluxes (molten solutions) based on Bi2O3:MoO3 = 1:3 and diluted by Na2CO3 and B2O3 (under varying of Na2CO3:B2O3), and by CuO and Mn2O3 (0 ≤ Mn2O3:CuO ≤ 5) are studied. The conditions of the stable crystallization of Mn2+1−xCuxMoO4, Mn23+O3, Mn2+Mn23+O4, Mn2+1−xCuxMn3+BO4 and Mn2+2−xCuxMn3+BO5 have been found. The influence of MoO3 and Na2CO3 to the crystallization processes of Mn2+- and Mn3+-containing Mn2+1−xCuxMoO4 and Mn2+Mn23+O4 and Mn23+O3 are clarified. The occurrence of the chemical bonds of these types at the crystallization of Mn-heterovalent Mn2+1−xCuxMn3+BO4 and Mn2+2−xCuxMn3+BO5 oxyborates is studied. Single crystal growth techniques of these oxyborates are suggested. The results of the structural and magnetic characterization of some discussed compounds are presented.
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Держатели документа:
Kirensky Institute of Physics, Federal Research Center KSC SB RAS, Krasnoyarsk, 660036, Russian Federation
Siberian State University of Science and Technologies, Krasnoyarsk, 660037, Russian Federation
V.S. Sobolev Institute of Geology and Mineralogy, SB RAS, Novosibirsk, 630090, Russian Federation
Novosibirsk State University, Novosibirsk, 630090, 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; Seryotkin, Y.; Bovina, A. F.; Бовина, Ася Федоровна; Molokeev, M. S.; Молокеев, Максим Сергеевич; Eremin, E. V.; Еремин, Евгений Владимирович; Belskaya, N.; Bezmaternykh, L. N.; Безматерных, Леонард Николаевич
}
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7.
Linear and quadratic
magneto-optical effects observed in La-Sr and Pr-Sr hole doped
manganites
in transmitted / Yu. E. Samoshkina [et al.]> //
8th Joint Europ. Magn. Symp. (JEMS-2016) : Book of abstracts. - 2016. - The work was supported by the Russian Foundation for Basic Research, Grants Nos. 14-02-01211 and 16-32-00209
Перевод заглавия:
Линейный и квадратичный магнитооптические эффекты, наблюдаемые в La-Sr и Pr-Sr дырочно допированных манганитов в проходящем свете
Материалы конференции
Доп.точки доступа:
Samoshkina, Yu. E.; Самошкина, Юлия Эрнестовна; Edelman, I. S.; Эдельман, Ирина Самсоновна; Sokolov, A. E.; Соколов, Алексей Эдуардович; Maximova, O. A.; Максимова, Ольга Александровна; Andreev, N. V.; Андреев Н. В.; Chichkov, V. I.; Чичков В. И.; Institute of Physics; Joint European Magnetic Symposia(8 ; 2016 ; Aug. ; 21-26 ; Glasgow, UK)
}
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8.
The magnetostriction effect
in the bilayered
manganites
single crystals / K. A. Shaikhutdinov [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. O1.4. - P. 40. - References: 3 . - ISBN 978-5-904603-06-9
Кл.слова (ненормированные):
keywords:magnetostriction
--
chemical pressure
--
methamagnetic transition
--
chemical substitution
Доп.точки доступа:
Shaikhutdinov, K. A.; Шайхутдинов, Кирилл Александрович; Terent'yev, K. Yu.; Терентьев, Константин Юрьевич; Petrov, M. I.; Петров, Михаил Иванович; Dubrovskiy, A. A.; Дубровский, Андрей Александрович; Pavlovskii, M. S.; Павловский, Максим Сергеевич; Lavrov, A. N.; Лавров, Александр Николаевич; 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
Нет сведений об экземплярах
}
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9.
Current-driven channel switching
and colossal positive magnetoresistance in the manganite-based structure / N. V. Volkov [et al.]> // J. Phys. D. - 2009. -
Vol. 42
,
Is. 6
. - Ст. 65005,
DOI
10.1088/0022-3727/42/6/065005. - Cited References: 20. - This study was supported by the RFBR, Projects No 08-02-00259-a and 08-02-00397-a, the KRSF-RFBR 'Enisey-2007', Project No 07-02-96801-a and the Division of Physical Sciences of RAS, Program 'Spin-dependent Effects in Solids and Spintronics' (Project No 2.4.2 of SB RAS). . - ISSN 0022-3727
РУБ
Physics, Applied
Кл.слова (ненормированные):
Colossal magnetoresistance
--
Electric resistance
--
Electronic structure
--
Magnetic field effects
--
Magnetoelectronics
--
Manganese
--
Manganites
--
Oxide minerals
--
Schottky barrier diodes
--
Semiconductor junctions
--
Silicides
--
Tunnel junctions
--
Tunnels
--
Bottom layers
--
Channel switching
--
Conducting channels
--
Conducting layers
--
Current-driven
--
Current-in-plane geometries
--
Depletion layers
--
Ferromagnetic state
--
Layered structures
--
Low-resistance contacts
--
Magnetic tunnel junctions
--
Magneto-transport properties
--
Manganese silicides
--
Manganite films
--
New mechanisms
--
Positive magnetoresistances
--
Positive MR
--
Potential barriers
--
Spin-polarized
--
Tunnel structures
--
Voltage-current characteristics
--
Current voltage characteristics
Аннотация:
The transport and magnetotransport properties of a newly fabricated tunnel structure manganite/depletion layer/manganese silicide have been studied in the current-in-plane (CIP) geometry. A manganite depletion layer in the structure forms a potential barrier sandwiched between two conducting layers, one of manganite and the other of manganese silicide. The voltage-current characteristics of the structure are nonlinear due to switching conducting channels from an upper manganite film to a bottom, more conductive MnSi layer with an increase in the current applied to the structure. Bias current assists tunnelling of a carrier across the depletion layer; thus, a low-resistance contact between the current-carrying electrodes and the bottom layer is established. Below 30 K, both conducting layers are in the ferromagnetic state (magnetic tunnel junction), which allows control of the resistance of the tunnel junction and, consequently, switching of the conducting channels by the magnetic field. This provides a fundamentally new mechanism of magnetoresistance (MR) implementation in the magnetic layered structure with CIP geometry. MR of the structure under study depends on the bias current and can reach values greater than 400% in a magnetic field lower than 1 kOe. A positive MR value is related to peculiarities of the spin-polarized electronic structures of
manganites
and manganese silicides.
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Держатели документа:
[Volkov, N. V.
Eremin, E. V.
Tsikalov, V. S.
Patrin, G. S.
Kim, P. D.] SB RAS, LV Kirensky Phys Inst, Krasnoyarsk 660036, Russia
[Volkov, N. V.
Patrin, G. S.] Siberian Fed Univ, Dept Phys, Krasnoyarsk 660041, Russia
[Seong-Cho, Yu
Kim, Dong-Hyun] Chungbuk Natl Univ, Dept Phys, Cheongju 361763, South Korea
[Chau, Nguyen] Natl Univ Hanoi, Ctr Mat Sci, Hanoi, Vietnam
ИФ СО РАН
Kirensky Institute of Physics, SB RAS, Krasnoyarsk 660036, Russian Federation
Department of Physics, Siberian Federal University, Krasnoyarsk 660041, Russian Federation
Department of Physics, Chungbuk National University, Cheongju 361-763, South Korea
Center for Materials Science, National University of Hanoi, 334 Nguyen Trai, Hanoi, Viet Nam
Доп.точки доступа:
Volkov, N. V.; Волков, Никита Валентинович; Eremin, E. V.; Еремин, Евгений Владимирович; Tsikalov, V. S.; Patrin, G. S.; Патрин, Геннадий Семёнович; Kim, P. D.; Ким, Пётр Дементьевич; Seong-Cho, Y.; Kim, D. H.; Chau, N.; RFBR [08-02-00259-a, 08-02-00397-a]; KRSF-RFBR [07-02-96801-a]; Division of Physical Sciences of RAS; Program 'Spin-dependent Effects in Solids and Spintronics' [2.4.2]
}
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10.
Orlov, Y. S.
Construction of a Multielectron Basis for Mott Insulators with Strong Electron Correlations, Spin-Orbit Interaction, and Covalence / Y. S. Orlov, S. G. Ovchinnikov> // J. Exp. Theor. Phys. - 2009. -
Vol. 109
,
Is. 2
. - P. 322-338,
DOI
10.1134/S1063776109080196. - Cited References: 35 . - ISSN 1063-7761
РУБ
Physics, Multidisciplinary
Рубрики:
NARROW ENERGY BANDS
MAGNETIC ANISOTROPY ENERGY
ORIGIN
TRANSITION
PHYSICS
MANGANITES
OXIDES
CHARGE
Аннотация:
We propose that the apparatus of quantum mechanics of a free atom (in particular, the theory of nj symbols and Rakah-Wigner genealogic coefficients generalized to the case of point groups and widely used in crystal field theory) be used for constructing multielectron bases with allowance for covalence and spin-orbit interaction. This allows us to take into account the electron-electron interaction for 3d ions the most comprehensively. The basis constructed in this way can be used in the generalized strong coupling method for the multiband p-d model in describing the structure of the quasiparticle energy spectrum and physical properties of systems with strong electron correlations. The procedure of construction and computation is demonstrated for the (5)T(2g) term in the d(6) configuration of the transition metal atom in an octahedral field. The mechanism for the emergence of magnetic anisotropy in S ions (Fe(3+) and Mn(2+)) due to covalent mixing of d(6) (L) under bar configurations with a nonzero orbital angular momentum ((L) under bar is a hole in ligands) is demonstrated
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Публикация на русском языке
Орлов, Юрий Сергеевич. Построение многоэлектронного базиса для моттовских диэлектриков с учетом сильных электронных корреляций, спин-орбитального взаимодействия и ковалентности [Текст] / Ю. С. Орлов, С. Г. Овчинников // Журн. эксперим. и теор. физ. - 2009. - Т. 136 Вып. 2. - С. 377-392
Держатели документа:
[Orlov, Yu S.
Ovchinnikov, S. G.] Russian Acad Sci, Siberian Branch, LV Kirensky Phys Inst, Krasnoyarsk 660036, Russia
[Ovchinnikov, S. G.] Siberian Fed Univ, Krasnoyarsk 660041, Russia
ИФ СО РАН
Доп.точки доступа:
Ovchinnikov, S. G.; Овчинников, Сергей Геннадьевич
}
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11.
La-Sr and Pr-Sr
polycrystalline manganite films: correlation between magneto-optical and transport properties / Yu. E. Samoshkina [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. P6.7. - P. 315. - The work was supported partly by the Russian Foundation for Basic Researches, Grants Nos. 14-02-01211 and 16-32-00209 . - ISBN 978-5-904603-06-9
Кл.слова (ненормированные):
hole-doped
manganites
--
thin films
--
magnetic circular dichroism
--
metal-insulator transition
Доп.точки доступа:
Samoshkina, Yu. E.; Самошкина, Юлия Эрнестовна; Edelman, I. S.; Эдельман, Ирина Самсоновна; Sokolov, A. E.; Соколов, Алексей Эдуардович; Rautskii, M. V.; Рауцкий, Михаил Владимирович; Semenov, S. V.; Семёнов, Сергей Васильевич; Andreev, N. V.; Андреев Н. В.; Chichkov, V. I.; Чичков В.И.; 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
Нет сведений об экземплярах
}
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12.
Positive magnetoresistance of
single-crystal bilayer
manganites
(La1−zNdz)1.4Sr1.6Mn2O7 / S. I. Popkov [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. O4.2. - P. 222. - References: 4 . - ISBN 978-5-904603-06-9
Кл.слова (ненормированные):
bilayer
manganites
--
positive magnetoresistance
--
spin-dependent tunneling
Доп.точки доступа:
Popkov, S. I.; Попков, Сергей Иванович; Shaikhutdinov, K. A.; Шайхутдинов, Кирилл Александрович; Nikitin, S. E.; Никитин, Станислав Евгеньевич; Petrov, M. I.; Петров, Михаил Иванович; Terent'yev, K. Yu.; Терентьев, Константин Юрьевич; Semenov, S. V.; Семёнов, Сергей Васильевич; 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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}
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13.
Magnetostriction in hexagonal
HoMnO3 single crystal / M. S. Pavlovskiy [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. O1.8. - P. 46. - References: 1 . - ISBN 978-5-904603-06-9
Кл.слова (ненормированные):
hexagonal
manganites
--
magnetostriction
Доп.точки доступа:
Pavlovskiy, M. S.; Павловский, Максим Сергеевич; Dubrovskiy, A. A.; Дубровский, Андрей Александрович; Shaikhutdinov, K. A.; Шайхутдинов, Кирилл Александрович; Terent'yev, K. Yu.; Терентьев, Константин Юрьевич; 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
Нет сведений об экземплярах
}
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14.
Synthesis of the
Orthorhombic Dy1−xHoxMnO3 Single Crystals and Study of Their Magnetic Properties / S. V. Semenov [et al.]> // J. Supercond. Novel Magn. - 2019. -
Vol. 32
,
Is. 10
. - P. 3315–3320,
DOI
10.1007/s10948-019-5090-8. - Cited References: 20. - The reported study was funded by Russian Foundation for Basic Research, Government of Krasnoyarsk Territory, Krasnoyarsk Regional Fund of Science to the research project: “Research, synthesis and investigation of new oxide single crystals showing the interrelation of magnetic, magnetoelastic and magnetoelectric properties” (project № 18-42-243024). . - ISSN 1557-1939
Кл.слова (ненормированные):
Rare earth
manganites
--
Orthorhombic Dy1−xHoxMnO3
--
Crystal growth
--
Magnetic anisotropy
Аннотация:
In this report, we prepared for the first time the orthorhombic Dy1−xHoxMnO3 single crystals with x = 0, 0.1, 0.2, 0.3, and 0.4 using the flux technique. The post-growth processing and chemical and structural characterization of the synthesized samples were performed. Also, we examined the samples obtained by their magnetic properties and the magnetic anisotropy in wide ranges of temperatures and magnetic fields.
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Держатели документа:
Kirensky Institute of Physics, Federal Research Center KSC SB RAS, Krasnoyarsk, 660036, Russian Federation
Siberian Federal University, Krasnoyarsk, 660041, Russian Federation
Доп.точки доступа:
Semenov, S. V.; Семёнов, Сергей Васильевич; Kolkov, M. I.; Колков, Максим Игоревич; Terent'ev, K. Yu.; Терентьев, Константин Юрьевич; Pavlovskiy, N. S.; Павловский, Николай Сергеевич; Pavlovskiy, M. S.; Павловский, Максим Сергеевич; Vasiliev, A. D.; Васильев, Александр Дмитриевич; Shabanov, A. V.; Шабанов, Александр Васильевич; Shaykhutdinov, K. A.; Шайхутдинов, Кирилл Александрович; Balaev, D. A.; Балаев, Дмитрий Александрович
}
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15.
Magnetic ordering and
chirality in multiferroic Dy1-xHoxMnO3 (x = 0.2) / A. N. Matveeva, I. A. Zobkalo, A. Sazonov [и др.]> // Phys. B: Condens. Matter. - 2023. -
Vol. 658
. - Ст. 414821,
DOI
10.1016/j.physb.2023.414821. - Cited References: 41. - The authors are grateful to D.A. Balaev for fruitful discussions and crystal growth management. This work was supported by the Russian Foundation for Basic Research grant # 19-52-12047, and DFG grant # SA3688/1-1, also by Russian Foundation for Basic Research, Government of Krasnoyarsk Territory, Krasnoyarsk Regional Fund of Science to the research projects number 18-42-243024 and 20-42-243008. The neutron data were obtained at the instrument POLI operated jointly by RWTH Aachen University and Jülich Centre for Neutron Science within JARA cooperation . - ISSN 0921-4526. - ISSN 1873-2135
Кл.слова (ненормированные):
Neutron diffraction
--
Crystal structure
--
Multiferroics
--
Magnetic structure
--
Manganites
Аннотация:
Effect of substitution Dy by Ho on the magneto-electric behavior of the compound Dy0.8Ho0.2MnO3 was investigated by the different methods of polarized and classical neutron diffraction and macroscopic methods. It is shown that substitution by Ho of 20% on the position of Dy do not change overall crystal symmetry of compound. It remains of Pbnm type down to the very low temperatures. Magnetic ordering, its temperature and field evolution was determined by the use of single crystal neutron diffraction and magnetization measurements. Chiral type of magnetic structure on Mn subsystem is confirmed below Tc ≈ 16 K. Using polarized neutron diffraction the 3-component character of rare earth magnetic ordering in Dy0.8Ho0.2MnO3 in contrast to DyMnO3 could be revealed. It was shown that doping by 20% Ho suppresses the spontaneous rare-earth ordering with its own propagation vector and provides the situation when two magnetic subsystems, manganese and rare earth ones have a coherent incommensurate spatial propagation. The influence of the external electric field on the magnetic chirality could be directly evidenced, proving strong magneto-electric coupling in multiferroic phase. The study of the electric polarization under similar temperatures and fields on the same samples provides the direct correlation between the results of the microscopic and macroscopic investigations.
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Держатели документа:
Petersburg Nuclear Physics Institute by B.P. Konstantinov of NRC «Kurchatov Institute», 188300, Gatchina, Russia
Institute of Crystallography, RWTH Aachen University and Jülich Centre for Neutron Science at Heinz Maier- Leibnitz Zentrum, Garching, Germany
Kirensky Institute of Physics, Federal Research Center, Krasnoyarsk, 660036, Russia
Siberian Federal University, Krasnoyarsk, 660041, Russia
Доп.точки доступа:
Matveeva, A. N.; Zobkalo, I. A.; Sazonov, A.; Freidman, A. L.; Фрейдман, Александр Леонидович; Semenov, S. V.; Семёнов, Сергей Васильевич; Kolkov, M. I.; Колков, Максим Игоревич; Terentjev, K. Yu.; Терентьев, Константин Юрьевич; Pavlovskiy, N. S.; Павловский, Николай Сергеевич; Shaykhutdinov, K. A.; Hutanu, V.
}
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16.
Complex interplay between
3d and 4f magnetic systems in multiferroic DyMnO3 / A. N. Matveeva, I. A. Zobkalo, M. Meven [et al.]> // J. Magn. Magn. Mater. - 2023. -
Vol. 569
. - Ст. 170415,
DOI
10.1016/j.jmmm.2023.170415. - Cited References: 28. - The authors are grateful to S.V. Gavrilov for the technical assistance. This work was supported by the Russian Foundation for Basic Research grant # 19-52-12047, and DFG grant # SA 3688/1-1, also by Russian Foundation for Basic Research, Government of Krasnoyarsk Territory, Krasnoyarsk Regional Fund of Science to the research projects number 18-42-243024 and 20-42-243008. The neutron data were obtained at the instrument HEiDi operated jointly by RWTH Aachen University and Jülich Centre for Neutron Science within JARA cooperation . - ISSN 0304-8853
Кл.слова (ненормированные):
Neutron diffraction
--
Crystal structure
--
Multiferroics
--
Magnetic structure
--
Manganites
Аннотация:
Structural and magnetic properties of single crystals of DyMnO3 were investigated by neutron diffraction in order to study the peculiarities of 3d-4f interactions in this compound. Precise magnetic order and its detailed temperature evolution were determined using single crystal neutron diffraction. Elliptical cycloid on manganese subsystem below TCh = 19 K was confirmed, with temperature decrease the elipticity of the Mn magnetic structure reduces significantly, creating almost circular cycloid. Temperature evolution of the magnetic structure demonstrate specific hysteretic behavior. The results show a complex interplay between transition metal and rare earth magnetic sublattices leading to so-called “Mn- controlled” and “Dy- controlled” magnetic states. The strong and complicate 3d-4f interaction leads to the unusual very slow magnetic structure relaxation.
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Держатели документа:
Petersburg Nuclear Physics Institute by B.P. Konstantinov of NRC «Kurchatov Institute», Gatchina, 188300, Russian Federation
Institute of Crystallography, RWTH Aachen University and Julich Centre for Neutron Science at Heinz Maier- Leibnitz Zentrum, Garching, Germany
Kirensky Institute of Physics, Federal Research Center, Krasnoyarsk, 660036, Russian Federation
Siberian Federal University, Krasnoyarsk, 660041, Russian Federation
Доп.точки доступа:
Matveeva, A. N.; Zobkalo, I. A.; Meven, M.; Freidman, A. L.; Фрейдман, Александр Леонидович; Semenov, S. V.; Семёнов, Сергей Васильевич; Terentjev, K. Yu.; Терентьев, Константин Юрьевич; Pavlovskiy, N. S.; Павловский, Николай Сергеевич; Kolkov, M. I.; Колков, Максим Игоревич; Shaykhutdinov, K. A.; Шайхутдинов, Кирилл Александрович; Hutanu, V.
}
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17.
Heat capacity and
magnetocaloric effect in
manganites
(La1-yEuy)0.7Pb0.3MnO3 (y = 0.2; 0.6) / Kartasev A.V. [и др.]> //
Moscow Int. Symp. on Magnet. (MISM-2008) : June 20-25, 2008, Moscow : book of abstract. - 2008. - Ст. 24PO-7-25. - p. 639-640. - Библиогр.: 1. - Support by the Council of Grants from the President of the Russian Federation for Support of Leading Scientific Schools (project no. NSh -1011.2008.2) is acknowledged
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Доп.точки доступа:
Kartashev, A. V.; Карташев, Андрей Васильевич; Flerov, I. N.; Флёров, Игорь Николаевич; Volkov, N. V.; Волков, Никита Валентинович; Sablina, K. A.; Саблина, Клара Александровна; Moscow International Symposium on Magnetism(4 ; 2008 ; Jun. ; Moscow); Московский государственный университет им. М.В. Ломоносова; Российский фонд фундаментальных исследований
}
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18.
A tool to
investigate the spatial magnetic phase separation phenomena in
manganites
[Text] / O. Martyanov, V. Yudanov, R. Lee [и др.]> // Phys. Stat. Sol (RRL). - 2007. -
Vol. 1
,
Is.1
. - P. R22-R24
DOI
10.1016/j.jmmm.2006.07.033
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Держатели документа:
Budker Institute of Nuclear Physics, 630090 Novosibirsk, Russia
Boreskov Institute of Catalysis, 630090 Novosibirsk, Russia
Kirensky Institute of Physics, 660036 Krasnoyarsk, Russia
Доп.точки доступа:
Martyanov, O.; Yudanov, V.; Lee, R.; Volkov, N. V.; Волков, Никита Валентинович; Sablina, K. A.; Саблина, Клара Александровна
}
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19.
Strain-induced charge ordering
above room temperature in rare-earth
manganites
/ Yu. Samoshkina, M. Rautskii, D. Neznakhin [et al.]> // Dalton Trans. - 2024. -
Vol. 53
,
Is. 12
. - P. 5721-5731,
DOI
10.1039/D3DT04299E. - Cited References: 52 . - ISSN 1477-9226. - ISSN 1477-9234
Аннотация:
Most known mixed
manganites
containing rare-earth elements demonstrate a pronounced charge ordering (CO) state below room temperature. The behavior of the magnetic susceptibility and electronic magnetic resonance of polycrystalline Pr1−xSrxMnO3/YSZ (x = 0.2 and x = 0.4) films without a pronounced texture indicates the formation of the CO phase in the samples at temperatures close to and above room temperature. Moreover, this phase manifests itself with a typical sign of martensitic transformation.
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Держатели документа:
Kirensky Institute of Physics, Federal Research Center KSC SB RAS, Krasnoyarsk 660036, Russia
Institute of Natural Sciences and Mathematics, Ural Federal University, Yekaterinburg 620002, Russia
National University of Science and Technology (NUST “MISIS”), Moscow 119991, Russia
Research and Education Center “Smart Materials and Biomedical Applications”, Immanuel Kant Baltic Federal University, Kaliningrad 236041, Russia
Boreskov Institute of Catalysis, Novosibirsk, 630090, Russia
Moscow Technical University of Communication and Informatics, Moscow 111024, Russia
Доп.точки доступа:
Samoshkina, Yu. E.; Самошкина, Юлия Эрнестовна; Rautskii, M. V.; Рауцкий, Михаил Владимирович; Neznakhin, D.; Stepanova, E.; Andreev, N.; Chichkov, V.; Zaikovskii, V.; Chernichenko, A.
}
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20.
A tool to
investigate the spatial magnetic phase separation phenomena in
manganites
[Text] / O. Martyanov, V. Yudanov, R. Lee [et al.]> // Physics of the Solid State. - 2006. - P. 1–3
Доп.точки доступа:
Martyanov, O.; Yudanov, V.; Lee, R.; Volkov, N. V.; Волков, Никита Валентинович; Sablina, K. A.; Саблина, Клара Александровна
}
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