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1.


   
    Influence of the DyxCo1-x–Bi interface on the magnetic properties of DyxCo1-x/Bi/Py three-layer structures / N. N. Kosyrev, G. S. Patrin, Ya. G. Shiyan [et al.] // J. Supercond. Nov. Magn. - 2024. - Vol. 37, Is. 2. - P. 419-424, DOI 10.1007/s10948-024-06690-0. - Cited References: 15. - The authors are grateful to R.Yu. Rudenko for carrying out measurements using an atomic force microscope. - The research was conducted according to the state assignment of the Ministry of Science and Higher Education of the Russian Federation and the Federal State Autonomous Educational Institution of Higher Education Siberian Federal University (No. FSRZ-2023–0008) . - ISSN 1557-1939. - ISSN 1557-1947
Кл.слова (ненормированные):
Multilayer magnetic films -- Exchange interaction -- Exchange bias -- Ellipsometry -- SQUID magnetometry
Аннотация: The interlayer interactions in multilayer systems with a non-magnetic semimetallic interlayer are great of interest. The magnetic and structural properties of the DyxCo1-x/Bi/Py systems (17 ˂ x ˂ 26 at.%) have been studied. The temperature dependences of magnetization in the range 4.2–300 K were measured for the first time. The influence of the bismuth interlayer thickness on the exchange interaction between the DyCo and Py layers was found as well as the critical value of its thickness. The obtained atypical value of the period of exchange bias oscillations was explained by the formation of bismuth compounds with dysprosium–pnictogenides at bismuth thicknesses below the critical value. The interface was investigated by spectral ellipsometry in the range 2–5 eV. The information on the structure of the surface obtained by atomic force microscopy was used to create a multilayer model for fitting experimental ellipsometric data. Analysis of the optical properties showed that pnictogenide Dy3Bi2 is formed at the interface, which affects the general magnetic state of the samples studied.

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Держатели документа:
Institute of Engineering Physics and Radio Electronics, Siberian Federal University, 79 Svobodny Pr., 660041, Krasnoyarsk, Russia
Kirensky Institute of Physics, Federal Research Center KSC Siberian Branch Russian Academy of Sciences, Akademgorodok 50, Building 38, 660036, Krasnoyarsk, Russia
Achinsk Branch of Krasnoyarsk State Agrarian University, Achinsk, Russia

Доп.точки доступа:
Kosyrev, N. N.; Косырев, Николай Николаевич; Patrin, G. S.; Патрин, Геннадий Семёнович; Shiyan, Ya. G.; Шиян, Ярослав Германович; Volchenko, E. N.; Волченко Е. Н.; Yakovchuk, V. Yu.; Яковчук, Виктор Юрьевич; Komarov, V. A.; Комаров, Василий Андреевич; Semenov, S. V.; Семёнов, Сергей Васильевич
}
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2.


   
    Density-functional study of the Si/SiO2 interfaces in short-period superlattices: Vibrational states and Raman spectra / M. Smirnov, E. Roginskii, A. Savin [et al.] // Photonics. - 2023. - Vol. 10, Is. 8. - Ст. 902, DOI 10.3390/photonics10080902. - Cited References: 61. - The study was supported by grants from the Russian Science Foundation (project No. 22-22-20021) and the Saint-Petersburg Science Center (project No. 32/2022), using the resources of the Computing Center and the Center for Optical and Laser Materials Research at the Research Park of St. Petersburg State University. - The study was performed using the resources of the Computing Center and the Center for Optical and Laser Materials Research at the Research Park of St. Petersburg State University. The authors thank Konstantin Smirnov for his valuable advice. The calculations were also performed in part using the facilities of the JSCC supercomputer center at RAS and the Konstantinov computational center at the Ioffe Institute . - ISSN 2304-6732
Кл.слова (ненормированные):
silicon -- cristobalite -- interface -- superlattice -- Raman spectra -- DFT modelling
Аннотация: Raman spectroscopy has proven its effectiveness as a highly informative and sensitive method for the nondestructive analysis of layered nanostructures and their interfaces. However, there is a lack of information concerning the characteristic phonon modes and their activity in Si/SiO2 nanostructures. In order to overcome this problem, the phonon states and Raman spectra of several Si/SiO2 superlattices (SL) with layer thicknesses varied within 0.5–2 nm are studied using DFT-based computer modeling. Two types of structures with different interfaces between crystalline silicon and SiO2 cristobalite were studied. A relationship between the phonon states of heterosystems and the phonon modes of the initial crystals was established. Estimates of the parameters of deformation potentials are obtained, with the help of which the shifts of phonon frequencies caused by elastic strains in the materials of the SL layers are interpreted. The dependence of intense Raman lines on the SL structure has been studied. Several ways have been proposed to use this information, both for identifying the type of interface and for estimating the structural parameters. The obtained information will be useful for the spectroscopic characterization of the silicon/oxide interfaces.

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Держатели документа:
Faculty of Physics, Saint-Petersburg State University, Universitetskaya nab. 7/9, Saint-Petersburg 199034, Russia
Laboratory of Spectroscopy of Solid State, Ioffe Institute, Politehnicheskaya St. 26, Saint-Petersburg 194021, Russia
Laboratory of Molecular Spectroscopy, Kirensky Institute of Physics, Federal Research Center KSC SB RAS, Akademgorodok St. 50/38, Krasnoyarsk 660036, Russia
School of Engineering and Construction, Siberian Federal University, Svobodny pr. 82, Krasnoyarsk 660041, Russia
Center for Optical and Laser Materials Research, Research Park, Saint-Petersburg State University, Universitetskaya nab. 7/9, Saint-Petersburg 199034, Russia

Доп.точки доступа:
Smirnov, Mikhail; Roginskii, Evgenii; Savin, Aleksandr; Oreshonkov, A. S.; Орешонков, Александр Сергеевич; Pankin, Dmitrii
}
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3.


   
    Influence of a thin V2O3 spacer on interlayer interactions in Fe-Ni/V2O3/FeNi film structures / G. S. Patrin, A. V. Kobyakov, V. I. Yushkov [et al.] // Processes. - 2023. - Vol. 11, Is. 7. - Ст. 2084, DOI 10.3390/pr11072084. - Cited References: 25. - The research was conducted according to the state assignment of the Ministry of Science and Higher Education of the Russian Federation and the Federal State Autonomous Educational Institution of Higher Education Siberian Federal University (No. FSRZ-2023-0008) . - ISSN 2227-9717
   Перевод заглавия: Влияние тонкой прослойки V2O3 на межслоевое взаимодействие в пленочной структуре FeNi/V2O3/FeNi
Кл.слова (ненормированные):
ferromagnetic -- vanadium oxide -- interface anisotropy
Аннотация: In this paper, we explore the suggestions of the results of experimental studies on low-dimensional layered systems in FeNi/V2O3/FeNi film structures. The multifunctional material V2O3 is used as an interlayer between the magnetically active FeNi layers. The films were obtained by ultrahigh vacuum magnetron sputtering on a glass substrate with a base size of 10−10 Torr. It has been found that for V2O3 films, the decrease in the metal–semiconductor transition temperature increases significantly. Magnetic characteristics were studied on the MPMS-XL SQUID magnetometer. The exchange effect occurs both in the region where the oxide has a magnetic order and in the paramagnetic region. The latter is due to the effect of the magnetic panel in the oxide package. The phenomenon of oscillation of the exchange field occurs depending on the phenomenon of intermediate observation observed experimentally.

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Держатели документа:
Institute of Engineering Physics and Radio Electronics, Siberian Federal University, 79 Svobodny Pr., 660041 Krasnoyarsk, Russia
Kirensky Institute of Physics, Federal Research Center KSC Siberian Branch Russian Academy of Sciences, Akademgorodok 50, Building 38, 660036 Krasnoyarsk, Russia

Доп.точки доступа:
Patrin, G. S.; Патрин, Геннадий Семёнович; Kobyakov, A. V.; Кобяков, Александр Васильевич; Yushkov, V. I.; Юшков, Василий Иванович; Anisimov, I. O.; Zharkov, S. M.; Жарков, Сергей Михайлович; Semenov, S. V.; Семёнов, Сергей Васильевич; Moiseenko, Evgeniy T.
}
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4.


   
    MD investigations of of heat flow throw interfaces in 1D systems / A. S. Fedorov, M. A. Visotin, O. A. Sosedkin, E. V. Eremkin // J. Sib. Fed. Univ. Math. Phys. - 2023. - Vol. 16, Is. 3. - P. 385-396 ; Журн. СФУ. Матем. и физ. - Cited References: 26 . - ISSN 1997-1397. - ISSN 2313-6022
   Перевод заглавия: МД исследования границ раздела теплового потока в одномерных системах
Кл.слова (ненормированные):
molecular dynamic -- thermal conductivity -- interface -- temperature jump -- молекулярная динамика -- теплопроводность -- скачок температуры интерфейса
Аннотация: Molecular dynamic calculations (MD) of heterogeneous 1D periodical systems are presented. It is proposed the new technique of direct calculations of thermal conductivity, where there is only one thermostat in one piece of unit cell as well as another piece where artificial friction forces act on atoms. With the help of this scheme, calculations of 1D heterogeneous systems having regions with atoms of different atomic masses are presented. It is shown that the difference in atomic masses in adjacent regions of the systems leads to a significant temperature jump at interfaces between these regions. This temperature jump exists independently of the mass ratio on both sides of the interface.The reasons for these jumps are discussed. It is also shown that, by changing the alternation of regions with different masses of atoms, it is possible to reduce the total thermal conductivity of the system by several times. On the base of these results, we can hope that for three-dimensional structures also, the thermal conductivity can be significantly reduced.
Представлены молекулярно-динамические расчеты (МД) гетерогенных одномерных периодических систем. Предлагается новая методика прямых расчетов теплопроводности, при которой в одном элементе элементарной ячейки находится только один термостат, а в другом элементе действуют силы искусственного трения на атомы. С помощью этой схемы представлены расчеты одномерных гетерогенных систем, имеющих области с атомами разной атомной массы. Показано, что различие атомных масс в соседних областях систем приводит к значительному скачку температуры на границах раздела между этими областями. Этот скачок температуры существует независимо от отношения масс по обе стороны от границы раздела. Обсуждаются причины этих скачков. Также показано, что, изменяя чередование областей с разной массой атомов, можно в несколько раз уменьшить общую теплопроводность системы. На основании этих результатов можно надеяться, что и для трехмерных структур теплопроводность может быть значительно снижена.

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Держатели документа:
Институт физики им. Л. В. Киренского СО РАН Федеральный исследовательский центр КНЦ СО РАН Красноярск, Российская Федерация
Сибирский федеральный университет Красноярск, Российская Федерация

Доп.точки доступа:
Fedorov, A. S.; Федоров, Александр Семенович; Visotin, M. A.; Высотин, Максим Александрович; Sosedkin, Oleg A.; Eremkin, Egor V.

}
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5.


   
    The role of SiO2/Si interface in magnetic field driven lateral photovoltaic effect in Mn/SiO2/n-Si and Fe/SiO2/p-Si MIS structures / I. A. Bondarev, M. V. Rautskii, N. V. Volkov [et al.] // Book of abstacts of Samarkand International Symposium on Magnetism (SISM-2023) / int. adv. com. S. G. Ovchinnikov [et al.]. - 2023. - Ст. 3OT-A-8. - P. 145. - Cited References: 1 . - ISBN 978-5-00202-320-2

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Держатели документа:
L.V. Kirensky Institute of Physics SB RAS
Siberian Federal University

Доп.точки доступа:
Ovchinnikov, S. G. \int. adv. com.\; Овчинников, Сергей Геннадьевич; Bondarev, I. A.; Бондарев, Илья Александрович; Rautskii, M. V.; Рауцкий, Михаил Владимирович; Volkov, N. V.; Волков, Никита Валентинович; Lukyanenko, A. V.; Лукьяненко, Анна Витальевна; Yakovlev, I. A.; Яковлев, Иван Александрович; Varnakov, S. N.; Варнаков, Сергей Николаевич; Tarasov, A. S.; Тарасов, Антон Сергеевич; Samarkand International Symposium on Magnetism(2023 ; July 2-6 ; Samarkand); Samarkand State University
}
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6.


   
    Lateral photovoltaic effect in silicon-based hybrid structures under external magnetic field / I. A. Bondarev, M. V. Rautskii, N. V. Volkov [et al.] // Mater. Sci. Semicond. Process. - 2023. - Vol. 167. - Ст. 107786, DOI 10.1016/j.mssp.2023.107786. - Cited References: 32 . - ISSN 1369-8001. - ISSN 1873-4081
Кл.слова (ненормированные):
Lateral photovoltaic effect -- MIS structures -- Interface states -- Schottky field
Аннотация: Charge transport in semiconductor devices is highly sensitive to light, which opens up wide application prospects. The lateral photovoltaic effect (LPE) is widely used in position sensitive detectors due to its high sensitivity to the light spot position. We report on the features of the LPE in silicon-based metal/insulator/semiconductor structures at helium temperatures. To investigate the LPE, Fe/SiO2/p-Si and Mn/SiO2/n-Si structures have been fabricated by molecular beam epitaxy. It has been found by studying the lateral photovoltage that the SiO2/Si interface plays a significant role in transport of photogenerated carriers, mainly via the interface states, which induce electron capture/emission processes at certain temperatures. The value of the photovoltage is likely affected not only by the metallic film thickness, but also by the substrate conductivity type and Schottky barrier. The effect of the magnetic field on the LPE is driven by two mechanisms. The first one is the well-known action of the Lorentz force on photogenerated carriers and the second one is shifting of the interface state energy levels. Basically, the magnetic field suppresses the contribution of the interface states to the LPE, which suggests that the interface-induced transport can be controlled magnetically.

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Держатели документа:
Kirensky Institute of Physics, Federal Research Center KSC SB RAS, Krasnoyarsk, 660036, Russia
Federal Research Center “Krasnoyarsk Scientific Center of the Siberian Branch of the Russian Academy of Sciences”, Krasnoyarsk, 660036, Russia
Siberian Federal University, Institute of Engineering Physics and Radio Electronics, Krasnoyarsk, 660041, Russia

Доп.точки доступа:
Bondarev, I. A.; Бондарев, Илья Александрович; Rautskii, M. V.; Рауцкий, Михаил Владимирович; Volkov, N. V.; Волков, Никита Валентинович; Lukyanenko, A. V.; Лукьяненко, Анна Витальевна; Yakovlev, I. A.; Яковлев, Иван Александрович; Varnakov, S. N.; Варнаков, Сергей Николаевич; Tarasov, A. S.; Тарасов, Антон Сергеевич
}
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7.


   
    XMCD and ab initio study of interface-engineered ultrathin Ru/Co/W/Ru films with perpendicular magnetic anisotropy and strong Dzyaloshinskii-Moriya interaction / A. S. Samardak, A. V. Ognev, A. G. Kolesnikov [et al.] // Phys. Chem. Chem. Phys. - 2022. - Vol. 24, Is. 14. - P. 8225-8232, DOI 10.1039/d1cp05456b. - Cited References: 47. - A. V. O., I. G. I. and T. O. thank the Russian Ministry of Science and Higher Education for state support of scientific research conducted under the supervision of leading scientists in Russian institutions of higher education, scientific foundations and state research centers (Project No. 075-15-2021-607) in parts of sample preparation and its magnetic characterization. The micromagnetic simulations performed by M. E. S. were supported by the Russian Ministry of Science and Higher Education under the state task (0657-2020-0013). A. A. P. (ab initio calculations) acknowledges the support from the Russian Foundation for Basic Research (Project No. 19-32-60020) and the Russian Federation President Scholarship for Young Scientists (SP-1640.2021.5). The work of A. S. S. related to the experimental and analytical study of DMI and skyrmion bubbles was supported by the Russian Science Foundation (Project No. 21-42-00041). The authors acknowledge the use of computational resources of the Skoltech supercomputer Zhores47 to obtain the theoretical results presented in this paper. The authors thank ID12 beamline staff for their help during the XMCD experiment and gratefully acknowledge the provision of beamtime (Proposal MA-3661) by the ESRF. The research contribution of M. P. (XMCD anaysis) was partially funded by the Russian Ministry of Science and Higher Education via the budget project of SRF SKIF, Boreskov Institute of Catalysis . - ISSN 1463-9076. - ISSN 1463-9084
РУБ Chemistry, Physical + Physics, Atomic, Molecular & Chemical
Рубрики:
TOTAL-ENERGY CALCULATIONS
   CIRCULAR-DICHROISM

   MOLECULAR-DYNAMICS

Аннотация: Understanding the nature of recently discovered spin–orbital induced phenomena and a definition of a general approach for “ferromagnet/heavy-metal” layered systems to enhance and manipulate spin–orbit coupling, spin–orbit torque, and the Dzyaloshinskii–Moriya interaction (DMI) assisted by atomic-scale interface engineering are essential for developing spintronics and spin-orbitronics. Here, we exploit X-ray magnetic circular dichroism (XMCD) spectroscopy at the L2,3-edges of 5d and 4d non-magnetic heavy metals (W and Ru, respectively) in ultrathin Ru/Co/W/Ru films to determine their induced magnetic moments due to the proximity to the ferromagnetic layer of Co. The deduced orbital and spin magnetic moments agree well with the theoretically predicted values, highlighting the drastic effect of constituting layers on the system's magnetic properties and the strong interfacial DMI in Ru/Co/W/Ru films. As a result, we demonstrate the ability to simultaneously control the strength of magnetic anisotropy and intermixing-enhanced DMI through the interface engineered inversion asymmetry in thin-film chiral ferromagnets, which are a potential host for stable magnetic skyrmions.

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Держатели документа:
Far Eastern Fed Univ, Inst High Technol & Adv Mat, Vladivostok 690922, Russia.
Skolkovo Inst Sci & Technol, Moscow 121205, Russia.
Fed Res Ctr KSC SB RAS, Kirensky Inst Phys, Krasnoyarsk 660036, Russia.
Boreskov Inst Catalysis SB RAS, Synchrotron Radiat Facil SKIF, Koltsov 630559, Russia.
Kyoto Univ, Inst Chem Res, Uji, Kyoto, Japan.
ESRF European Synchrotron, F-38043 Grenoble 9, France.

Доп.точки доступа:
Samardak, Alexander S.; Ognev, Alexey, V; Kolesnikov, Alexander G.; Stebliy, Maksim E.; Samardak, Vadim Yu; Iliushin, Ilia G.; Pervishko, Anastasiia A.; Yudin, Dmitry; Platunov, M. S.; Платунов, Михаил Сергеевич; Ono, Teruo; Wilhelm, Fabrice; Rogalev, Andrey; Russian Ministry of Science and Higher Education [075-15-2021-607, 0657-2020-0013]; Russian Foundation for Basic ResearchRussian Foundation for Basic Research (RFBR) [19-32-60020]; Russian Federation President Scholarship for Young Scientists [SP-1640.2021.5]; Russian Science FoundationRussian Science Foundation (RSF) [21-42-00041]; Russian Ministry of Science and Higher Education
}
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8.


   
    Flux pinning docking interfaces in satellites using superconducting foams as trapped field magnets / M. R. Koblischka, A. Koblischka-Veneva, D. Gokhfeld [et al.] // IEEE Trans. Appl. Supercond. - 2022. - Vol. 32, Is. 4. - Ст. 4900105, DOI 10.1109/TASC.2022.3147734. - Cited References: 44. - This work was supported in part by SUPERFOAM international project funded by ANR and DFG under Grants ANR-17-CE05-0030 and DFG-ANR Ko2323-10. . - ISSN 1051-8223. - ISSN 1558-2515
РУБ Engineering, Electrical & Electronic + Physics, Applied
Рубрики:
BULK
   RECONFIGURATION

   MAGNETIZATION

Кл.слова (ненормированные):
Superconducting magnets -- Satellites -- Yttrium barium copper oxide -- Magnetomechanical effects -- Magnetic fields -- Superconducting coils -- Magnetometers -- Flux-pinning docking interface -- Foams -- Trapped field magnets -- YBCO
Аннотация: Flux-Pinning Docking Interfaces (FPDI) in satellite systems were developed using bulk superconductors and permanent magnets in previous works. However, such FPDIs have limited magnetic field strength, consist of heavy-weight material, and can only be used with a single purpose, i.e., as chasing or docking satellite. Replacing the magnetic material in the FPDI by a trapped field (TF)-magnet would enable the interface to operate for both purposes, i.e., generating a (stronger) magnetic field and trapping it. We show the requirements for such a system and discuss the possible gains when using a TF-FPDI in satellites. To reduce the system weight, the use of superconducting foams as superconducting material is discussed in detail. Furthermore, the use of superconducting foams, the size of which can be easily upscaled, may also comprise the function of the damping material, so even more weight could be saved for the payload.

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Держатели документа:
Saarland Univ, Dept Expt Phys, D-66041 Saarbrucken, Germany.
Shibaura Inst Technol, Tokyo 1358548, Japan.
Fed Res Ctr KSC SB RAS, Kirensky Inst Phys, Krasnoyarsk 660036, Russia.
Tokyo Univ Sci, Dept Phys, Tokyo 1628601, Japan.
Univ Lorraine, GREEN, F-54000 Nancy, France.

Доп.точки доступа:
Koblischka, Michael R.; Koblischka-Veneva, Anjela; Gokhfeld, D. M.; Гохфельд, Денис Михайлович; Naik, S. Pavan Kumar; Nouailhetas, Quentin; Berger, Kevin; Douine, Bruno; ANRFrench National Research Agency (ANR); DFGGerman Research Foundation (DFG)European Commission [ANR-17-CE05-0030, DFG-ANR Ko2323-10]
}
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9.


   
    Soft photonic crystals and metamaterials / ed., pref.: I. V. Timofeev, W. Lee, Special issue of the "Materials" (ISSN 1996-1944) 2022, 15(22), 8096. - Bazel[etc.] : MDPI, 2022. - VII, 127 p. - ISBN 978-3-0365-6074-8. - ISBN 978-3-0365-6073-1 : Б. ц.
Перевод заглавия: Мягкие фотонные кристаллы и метаматериалы
Публикация в журнале . - [S. l. : s. n.]
. - [S. l. : s. n.]
. - [S. l. : s. n.]
. - [S. l. : s. n.]
    Содержание:
Timofeev, I. V. Special issue: Soft photonic crystals and metamaterials : Reprinted from: Materials 2022, 15, 8096, doi:10.3390/ma15228096 / I. V. Timofeev, W. Lee. - P .1-4. - Cited References: 10
Bikbaev, R. G. Double-resolved beam steering by metagrating-based Tamm plasmon polariton : Reprinted from: Materials 2022, 15, 6014, doi:10.3390/ma15176014 / R. G. Bikbaev, D. N. Maksimov, K. - P. Chen, I. V. Timofeev. - P .89-95
Другие авторы: Maksimov D. N., Chen K. - P., Timofeev I. V.
Avdeeva, A. Yu. Chiral optical Tamm states at the interface between a Dye-doped cholesteric liquid crystal and an anisotropic mirror : Reprinted from: Materials 2020, 13, 3255, doi:10.3390/ma13153255 / A. Yu. Avdeeva, S. Ya. Vetrov, R. G. Bikbaev [et al.]. - P .109-118. - Cited References: 44
Другие авторы: Vetrov S. Ya., Bikbaev R. G., Pyatnov M. V., Rudakova N. V., Timofeev I.V.
Lin, M. -Y. Chiral-selective Tamm plasmon polaritons : Reprinted from: Materials 2021, 14, 2788, doi:10.3390/ma14112788 / M. -Y. Lin, W. -H. Xu, R. G. Bikbaev [et al.]. - P .119-127. - Cited References: 46
Другие авторы: Xu W. -H., Bikbaev R. G., Yang J.-H., Li C. -R.
   Перевод заглавия: Мягкие фотонные кристаллы и метаматериалы

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Публикация в журнале Chiral optical Tamm states at the interface between a Dye-doped cholesteric liquid crystal and an anisotropic mirror [Текст] / A. Yu. Avdeeva, S. Ya. Vetrov, R. G. Bikbaev [et al.] // Materials. - 2020. - Vol. 13 Is. 15.- Ст.3255

Chiral-selective Tamm plasmon polaritons [Текст] / M.-Y. Lin, W.-H. Xu, R. G. Bikbaev [et al.] // Materials. - 2021. - Vol. 14 Is. 11.- Ст.2788

Double-resolved beam steering by metagrating-based Tamm plasmon polariton [Текст] / R. G. Bikbaev, D. N. Maksimov, K.-P. Chen, I. V. Timofeev // Materials. - 2022. - Vol. 15 Is. 17.- Ст.6014

Timofeev I. V. Special issue: Soft photonic crystals and metamaterials [Текст] / I. V. Timofeev, W. Lee // Materials. - 2022. - Vol. 15 Is. 22.- Ст.8096

Держатели документа:
Kirensky Institute of Physics FRC KSC SB RAS
Siberian Federal University
National Yang Ming Chiao Tung University Tainan Taiwan

Доп.точки доступа:
Timofeev, I. V. \ed., pref.\; Тимофеев, Иван Владимирович; Lee, Wei \ed., pref.\; Timofeev, I. V.; Pyatnov, M. V.; Rudakova, N. V.; Yang, J. -H.; Li, C. -R.
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    Synthesis, structural and magnetic properties of ludwigite Mn1.32Ni0.85Cu0.83BO5 / S. N. Sofronova, E. V. Eremin, E. M. Moshkina [et al.] // Phys. Solid State. - 2022. - Vol. 64, Is. 11. - P. 1743-1749, DOI 10.21883/PSS.2022.11.54200.425. - Cited References: 19. - The study was done with financial support from the Russian Foundation for Basic Research, Government of Krasnoyarsk Territory and the Krasnoyarsk Regional Fund of Science within scientific project No. 20-42-240011. The research was carried out using the equipment provided by the Krasnoyarsk Regional Center for Collective Use . - ISSN 1063-7834. - ISSN 1090-6460
Кл.слова (ненормированные):
ludwigites -- magnetic interface transition -- indirect exchange interactions
Аннотация: Single crystals of Mn1.32Ni0.85Cu0.83BO5 with the ludwigite structure were obtained by the solution-melt method during spontaneous crystallization. The concentration of copper, manganese and nickel ions was determined by transmission microscopy. Manganese ions are included in compounds in the divalent and trivalent states. The study of temperature and field dependences showed that we have several magnetic transitions. The first transition, associated with the ferrimagnetic ordering of the magnetic moments of parts of the ions, observed in the region of 50 K. In the region of 25 K, a second magnetic transition is observed. Substitution of nickel ions for copper and divalent manganese of better disorder and competition of exchange interactions, which leads to the division of the magnetic system into several magnetic subsystems that are ordered at different temperatures.

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Публикация на русском языке Синтез, структурные и магнитные свойства людвигита Mn1.32Ni0.85Cu0.83BO5 [Текст] / С. Н. Софронова, Е. В. Еремин, Е. М. Мошкина [и др.] // Физ. тверд. тела. - 2022. - Т. 64 Вып. 11. - С. 1781-1787

Держатели документа:
Kirensky Institute of Physics, Federal Research Center KSC SB, Russian Academy of Sciences, Krasnoyarsk, Russia
Institute of Chemistry and Chemical Technology, Federal Research Center KSC SB RAS, Russian Academy of Sciences, Krasnoyarsk, Russia

Доп.точки доступа:
Sofronova, S. N.; Софронова, Светлана Николаевна; Eremin, E. V.; Еремин, Евгений Владимирович; Moshkina, E. M.; Мошкина, Евгения Михайловна; Selyanina, A. V.; Селянина, Анна Валентиновна; Bondarenko, G. N.; Shabanov, A. V.; Шабанов, Александр Васильевич
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