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    Томилин, Феликс Николаевич.
    Влияние структуры на фотофизические и магнитные свойства функциональных материалов [Рукопись] : специальность 1.3.8 "Физика конденсированного состояния", 1.3.12 "Физика магнитных явлений" : диссертация на соискание ученой степени доктора физико-математических наук / Ф. Н. Томилин ; науч. конс.: С. Г. Овчинников, П. В. Аврамов. - Красноярск, 2022. - 274 с. - Библиогр.: 360. -
ГРНТИ
ББК Г511.4я031 + В373.3я031


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Держатели документа:
Библиотека Института физики им. Л.В. Киренского СО РАН
Доп.точки доступа:
Овчинников, Сергей Геннадьевич \науч. конс.\; Ovchinnikov, S. G.; Аврамов, Павел Вениаминович \науч. конс.\; Avramov, P. V.; Tomilin, F. N.; Институт физики им. Л.В. Киренского Сибирского отделения РАН
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2.


   
    Влияние замещения на магнитные моменты атомов железа и хрома в МАХ-фазах вида (Cr4–xFex)0.5SiC. Теоретический расчет / Ф. Н. Томилин, А. А. Шубин, В. В. Козак [и др.] // Физ. металлов и металловед. - 2022. - Т. 123, № 7. - С. 682-686, DOI 10.31857/S0015323022070191. - Библиогр.: 25. - Исследование выполнено за счет средств гранта Российского научного фонда № 21-12-00226, http://rscf.ru/project/21-12-00226/ и при поддержке Межведомственного суперкомпьютерного центра Российской академии наук (МВС-100К и МВС-10П) . - ISSN 0015-3230
Кл.слова (ненормированные):
теория функционала плотности -- МАХ-фазы -- эффект замещения
Аннотация: MAX-фазы представляют собой семейство тройных слоистых соединений с формальной стехиометрией M2AX и имеют слоистую гексагональную структуру. Расчеты с помощью функционала плотности B3LYP показывают, что путем варьирования соотношения между хромом и железом в МАХ-фазе (Cr4–xFex)0.5SiC можно менять параметры решетки и магнитный момент на атомах металла. В данной фазе замещение одного металла другим можно рассматривать как способ целенаправленного изменения их магнитных свойств.

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РИНЦ

Переводная версия Effect of substitution on magnetic moments of iron and chromium atoms in MAX phases of type (Cr4 – xFex)0.5SiC: Theoretical calculation [Текст] / F. N. Tomilin, A. A. Shubin, V. V. Kozak [et al.] // Phys. Met. Metallogr. - 2022. - Vol. 123 Is. 7.- P.640-644

Держатели документа:
Институт физики СО РАН, Красноярск, Россия
Сибирский федеральный университет, Красноярск, Россия
Kyungpook National University, Тэгу, Ю. Корея

Доп.точки доступа:
Томилин, Феликс Николаевич; Tomilin, F. N.; Шубин, А. А.; Козак, В. В.; Иванова, Д. А.; Федорова, Н. А.; Ольшевская, Ю. С.; Ковалева, А. В.; Аврамов, Павел Вениаминович; Avramov, P. V.; Овчинников, Сергей Геннадьевич; Ovchinnikov, S. G.
}
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3.


    Томилин, Феликс Николаевич.
    Влияние структуры на фотофизические и магнитные свойства функциональных материалов : специальность 1.3.8 "Физика конденсированного состояния", 1.3.12 "Физика магнитных явлений" : автореферат диссертации на соискание ученой степени доктора физико-математических наук / Ф. Н. Томилин ; науч. конс.: С. Г. Овчинников, П. В. Аврамов ; офиц. опп.: Д. Г. Квашнин [и др.] ; Ин-т физики им. Л.В. Киренского, вед. орг. Томск. гос. ун-т. - Красноярск, 2022. - 44 с. - Библиогр.

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Держатели документа:
Институт физики им. Л.В. Киренского СО РАН

Доп.точки доступа:
Овчинников, Сергей Геннадьевич \науч. конс.\; Ovchinnikov, S. G.; Аврамов, Павел Вениаминович \науч. конс.\; Avramov, P. V.; Квашнин, Дмитрий Геннадиевич \офиц. опп.\; Хренова, Мария Григорьевна \офиц. опп.\; Цирельсон, Владимир Григорьевич \офиц. опп.\; Tomilin, F. N.; Институт физики им. Л.В. Киренского Сибирского отделения РАН; Томский государственный университет
Свободных экз. нет}
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4.


   
    External electric field effect on electronic properties and charge transfer in CoI2/NiI2 spinterface / I. Melchakova [et al.] // Int. J. Quantum Chem. - 2020. - Vol. 120, Is. 3. - Ст. e26092, DOI 10.1002/qua.26092. - Cited References: 27. - Ministry of Education and Science of the Russian Federation, Grant/Award Number: 16.1455.2017/PCh; National Research Foundation of Korea, Grant/Award Number: NRF-2017R1A2B4004440; Russian Foundation for Basic Research, Government of Krasnoyarsk Territory, Krasnoyarsk Regional Fund of Science, Grant/Award Number: 18-43-243011 . - ISSN 0020-7608. - ISSN 1097-461X
РУБ Chemistry, Physical + Mathematics, Interdisciplinary Applications + Quantum Science & Technology + Physics, Atomic, Molecular & Chemical
Рубрики:
MAGNETIC-PROPERTIES
   METAL

   EDGE

Кл.слова (ненормированные):
DFT -- electric field -- Hubbard correction -- spintronics -- transition metal dihalides
Аннотация: Electronic structure and spin-related properties of CoI2/NiI2 heterostructure were studied by means of density functional theory. It was shown that the electronic structure at the Fermi level can be characterized by a band gap. The effect of the external electric field on charge transfer and electronic properties of the CoI2/NiI2 interface was investigated, and it was found that band gap width depends on the strength of the applied electric field, switching its nature from semiconducting to a half-metallic one. An easy control of the electronic properties and promising spin-polarized nature of the CoI2/NiI2 spinterface allows the heterostructure to be used in spin-related applications.

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Держатели документа:
Siberian Fed Univ, Krasnoyarsk, Russia.
Kirensky Inst Phys, Krasnoyarsk, Russia.
Kyungpook Natl Univ, Dept Chem, 80 Daehak Ro, Daegu 41566, South Korea.

Доп.точки доступа:
Melchakova, I.; Мельчакова, Юлия; Kovaleva, E. A.; Ковалева, Евгения Андреевна; Mikhaleva, Natalia S.; Tomilin, F. N.; Томилин, Феликс Николаевич; Ovchinnikov, S. G.; Овчинников, Сергей Геннадьевич; Kuzubov, A. A.; Кузубов, Александр Александрович; Avramov, P. V.; Аврамов, Павел Вениаминович; Ministry of Education and Science of the Russian FederationMinistry of Education and Science, Russian Federation [16.1455.2017/PCh]; National Research Foundation of KoreaNational Research Foundation of Korea [NRF-2017R1A2B4004440]; Russian Foundation for Basic Research, Government of Krasnoyarsk Territory, Krasnoyarsk Regional Fund of Science [18-43-243011]
}
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5.


   
    Theoretical DFT interpretation of infrared spectra of biologically active arabinogalactan sulphated derivatives / A. S. Kazachenko, F. N. Tomilin, A. A. Pozdnyakova [et al.] // Chem. Pap. - 2020. - Vol. 74, Is. 11. - P. 4103-4113, DOI 10.1007/s11696-020-01220-3. - Cited References: 52. - The reported work was funded by RFBR and the government of Krasnoyarsk region according to the research project. 18-43-242003. The study was carried out using equipment of the Krasnoyarsk Regional Center of Research Equipment, Federal Research Center "Krasnoyarsk Science Center SB RAS". Publication was also partially supported by Project FSWM-2020-0033 of Russian Ministry of Science and Education.The authors are grateful to I.V. Korolkova for IR-spectra. . - ISSN 2585-7290. - ISSN 1336-9075
РУБ Chemistry, Multidisciplinary
Рубрики:
DENSITY-FUNCTIONAL THEORIES
   ASTRAGALUS POLYSACCHARIDE

   ANTICOAGULANT

Кл.слова (ненормированные):
Arabinogalactan -- Sulphated arabinogalactan -- FTIR-spectra -- Molecular structure -- Density functional theory
Аннотация: Arabinogalactan (AG) and sulphated arabinogalactans which are products of chemical modification of arabinogalactan polysaccharide with anticoagulant properties were studied by experimental infrared (IR) spectroscopy combined with density functional theory simulations. Mutual analysis of experimental and theoretical IR frequencies indicates that the discrepancies between experiment and theory is caused by the influence of –OH groups, which led to the energy shift and broadening of the absorption IR bands. It was found that theoretical and experimental spectra correspond well within the 3000–4000 cm−1 spectral region. Addition of sulphur group in AG structure causes hydroxyl group to become accessible for further sulphation. The difference between experimental and theoretical IR frequencies of sulphated AG derivatives is greater than that of the parent arabinogalactan due to the increase in the number of possible isomers and conformers.

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Держатели документа:
FRC Krasnoyarsk Sci Ctr SB RAS, Inst Chem & Chem Technol SB RAS, 50-24 Akademgorodok, Krasnoyarsk 660036, Russia.
Siberian Fed Univ, 79 Svobodny Pr, Krasnoyarsk 660041, Russia.
FRC Krasnoyarsk Sci Ctr SB RAS, Kirensky Inst Phys SB RAS, 50-38 Akademgorodok, Krasnoyarsk 660036, Russia.
Natl Res Tomsk State Univ, Lenin Ave 36, Tomsk 634050, Russia.
Kyungpook Natl Univ, Dept Chem, 80 Daehak Ro, Daegu 41566, South Korea.
Kyungpook Natl Univ, Green Nano Mat Res Ctr, 80 Daehak Ro, Daegu 41566, South Korea.

Доп.точки доступа:
Kazachenko, Aleksandr S.; Tomilin, F. N.; Томилин, Феликс Николаевич; Pozdnyakova, Anastasia A.; Vasilyeva, Natalia Yu; Malyar, Yuriy N.; Kuznetsova, Svetlana A.; Avramov, P. V.; Аврамов, Павел Вениаминович; RFBRRussian Foundation for Basic Research (RFBR); government of Krasnoyarsk region [18-43-242003]; Russian Ministry of Science and EducationMinistry of Education and Science, Russian Federation [FSWM-2020-0033]
}
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6.


   
    The role of strong electron correlations in determination of band structure and charge distribution of transition metal dihalide monolayers / E. A. Kovaleva [et al.] // J. Phys. Chem. Solids. - 2019. - Vol. 134. - P. 324-332, DOI 10.1016/j.jpcs.2019.05.036. - Cited References: 44. - This work was supported by the government contract of the Ministry of Education and Science of the Russian Federation, Russia to Siberian Federal University (Grant No. 16.1455.2017/PCh ) and Russian Foundation for Basic Research (RFBR), Russia (Grant No. 16-32-60003 mol_a_dk), Government of Krasnoyarsk Territory, Krasnoyarsk Regional Fund of Science to the research project: “Quantum chemical modeling of Bychkov-Rashba interfaces based on transition metal compounds and nanoscaled organic fragments” (Project No. 18-43-243011). The authors would like to thank Joint Supercomputer Center of RAS , Moscow; Center of Equipment for Joint Use of Siberian Federal University , Krasnoyarsk; and Information Technology Center, Novosibirsk State University for providing the access to their supercomputers. N.S.M. acknowledges the financial support of the RFBR , through the research project No. 16-32-60003 mol_a_dk. E.A. Kovaleva is grateful to the Foundation for Assistance to Small Innovative Enterprises (FASIE), Russia (Project no. 0033639 ). W.B. and P.A. gratefully acknowledge the financial support of National Research Foundation of Republic of Korea under the Grant No. NRF-2017R1A2B4004440. . - ISSN 0022-3697
Кл.слова (ненормированные):
Transition metal dihalides -- Monolayers -- DFT -- Hubbard correction -- Band structure
Аннотация: Electronic structure and magnetic properties of the family of first-row transition metal dihalides (TMHal2, TM = V, Cr, Mn, Fe, Co, Ni; H = Br, I) monolayers were studied by means of density functional theory. Strong electron correlations were taken into account by implementing Hubbard U correction in a simplified scheme proposed by Dudarev et al. (Ueff). Ueff correction essentially affects electronic structure of TMHal2 widening the band gap and witnessing their highly spin-polarized nature. Two different ligand orientations namely, H and T configurations of monolayers were considered. Unlike others, FeHal2 monolayers tend to form H structure when Ueff correction is included. © 2019 Elsevier Ltd

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Держатели документа:
Siberian Federal University, 79 Svobodny Pr., Krasnoyarsk, 660041, Russian Federation
Kyungpook National University, 80 Daehakro, Bukgu, Daegu, 41566, South Korea
Kirensky Institute of Physics, FRC KSC SB RAS, 50 Academgorodok, Krasnoyarsk660036, Russian Federation
Tomsk State University, 36 Lenin Prospekt, Tomsk, 634050, Russian Federation

Доп.точки доступа:
Kovaleva, E. A.; Melchakova, I.; Mikhaleva, N. S.; Tomilin, F. N.; Томилин, Феликс Николаевич; Ovchinnikov, S. G.; Овчинников, Сергей Геннадьевич; Baek, W.; Pomogaev, V. A.; Avramov, P. V.; Аврамов, Павел Вениаминович; Kuzubov, A. A.
}
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7.


   
    Synthesis and photophysical properties of copolyfluorenes for light-emitting applications: Spectroscopic experimental study and theoretical DFT consideration / R. Y. Smyslov [et al.] // Polymer. - 2019. - Vol. 168. - P. 185-198, DOI 10.1016/j.polymer.2019.02.015. - Cited References: 45. - The quantum yield measurements were performed at the Center for Optical and Laser Materials Research, St. Petersburg State University. P. Avramov gratefully acknowledges the financial support of National Research Foundation of Republic of Korea under Grant No. NRF-2017R1A2B4004440. This work has been carried out using computing resources of the federal collective usage center Complex for Simulation and Data Processing for Mega-science Facilities at NRC "Kurchatov Institute" . - ISSN 0032-3861. - ISSN 1873-2291
РУБ Polymer Science
Рубрики:
BETA-PHASE FORMATION
   SINGLE POLYMER

   POLYFLUORENE

   BLUE

   COPOLYMERS

Кл.слова (ненормированные):
Suzuki cross-coupling -- Yamamoto polycondensation -- Density functional theory
Аннотация: Using Suzuki and Yamamoto coupling reactions, copoly-(9,9-dioctylfluorenes) (CPF) were synthesized and compared regarding their photophysical properties using the spectroscopic and ab initio DFT approaches. The CPFs were functionalized by benzo [2,3,5] thiadiazole (BT) or carbazole-3,6-diyl (3,6-Cz). The latter was used to introduce different luminophore fragments, including Nile red and 4-pyrrolidinyl-1,8-naphthalimide derivatives. The effect of the two synthesis techniques on the polymer microstructure, the influence of embedding of 3,6-Cz moieties in the polymer backbone on polymer structuring, and the impact of the end groups like novel quinoxaline-containing compounds on the luminescent properties of CPFs were investigated. By comparing electron density distribution using the ab initio DFT approach with photoluminescence, it was shown that Suzuki reaction provides a chain microstructure with individual BT fragments separated by 9,9-dioctylfluorene monomeric units, while Yamamoto reaction leads to the blocks of BT units. This effect leads to different CPF photophysical properties (absorption and emission spectra).

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Держатели документа:
Russian Acad Sci, Inst Macromol Cpds, Bolshoy 31, St Petersburg 199004, Russia.
NRC Kurchatov Inst, Petersburg Nucl Phys Inst, Mkr Orlova Roscha 1, Gatchina 188300, Leningrad Regio, Russia.
Siberian Fed Univ, Svobodny 79, Krasnoyarsk 660041, Russia.
Russian Acad Sci, Fed Res Ctr, Kirensky Inst Phys, Siberian Branch,Krasnoyarsk Sci Ctr, Akad Gorodok 50-38, Krasnoyarsk 660036, Russia.
St Petersburg State Univ, Unive Skaya Nab 7-9, St Petersburg 199034, Russia.
Yaroslavl State Tech Univ, Moskovskii 88, Yaroslavl 150023, Russia.
Kyungpook Natl Univ, Dept Chem & Greennano Mat Res Ctr, 80 Daehakro, Daegu 41556, South Korea.

Доп.точки доступа:
Smyslov, Ruslan Yu; Tomilin, F. N.; Томилин, Феликс Николаевич; Shchugoreva, I. A.; Nosova, G. I.; Zhukova, E. V.; Litvinova, L. S.; Yakimansky, A. V.; Kolesnikov, I.; Abramov, I. G.; Ovchinnikov, S. G.; Овчинников, Сергей Геннадьевич; Avramov, P. V.; Аврамов, Павел Вениаминович
}
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8.


   
    Unique Nanomechanical Properties of Diamond-Lonsdaleite Biphases: Combined Experimental and Theoretical Consideration of Popigai Impact Diamonds / W. Baek [et al.] // Nano Lett. - 2019. - Vol. 19, Is. 3. - P. 1570-1576, DOI 10.1021/acs.nanolett.8b04421. - Cited References: 38. - The authors thank Dr. Valentin Afanasiev (Sobolev Institute of Geology and Mineralogy, Novosibirsk, Russia) for giving us access to a representative set of impact diamonds from Popigai astrobleme. The authors also acknowledge ID-15B beamline at the European Synchrotron Radiation Facility (ESRF) for providing measurement times and technical support. Dr. Valerio Cerantola (ESRF) is thanked for his kind support with the laser-heating setup. W.B., A.V.K., and P.V.A. acknowledge the National Research Foundation of Republic of Korea for support under grant no. NRF-2017R1A2B4001410. . - ISSN 1530-6984. - ISSN 1530-6992
РУБ Chemistry, Multidisciplinary + Chemistry, Physical + Nanoscience & Nanotechnology + Materials Science, Multidisciplinary + Physics, Applied + Physics, Condensed Matter
Рубрики:
CARBON
   PRESSURES

   GRAPHITE

   HARDNESS

   ORIGIN

Кл.слова (ненормированные):
Impact diamonds -- lonsdaleite -- compressibility -- high-pressure -- diamond/lonsdailete biphases
Аннотация: For the first time, lonsdaleite-rich impact diamonds from one of the largest Popigai impact crater (Northern Siberia) with a high concentration of structural defects are investigated under hydrostatic compression up to 25 GPa. It is found that, depending on the nature of a sample, the bulk modulus for lonsdaleite experimentally obtained by X-ray diffraction in diamond-anvil cells is systematically lower and equal to 93.3–100.5% of the average values of the bulk moduli of a diamond matrix. Density functional theory calculations reveal possible coexistence of a number of diamond/lonsdaleite and twin diamond biphases. Among the different mutual configurations, separate inclusions of one lonsdaleite (001) plane per four diamond (111) demonstrate the lowest energy per carbon atom, suggesting a favorable formation of single-layer lonsdaleite (001) fragments inserted in the diamond matrix. Calculated formation energies and experimental diamond (311) and lonsdaleite (331) powder X-ray diffraction patterns indicate that all biphases could be formed under high-temperature, high-pressure conditions. Following the equation of states, the bulk modulus of the diamond (111)/lonsdaleite (001) biphase is the largest one among all bulk moduli, including pristine diamond and lonsdaleite.

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Держатели документа:
Kyungpook Natl Univ, Dept Chem, 80 Daehak Ro, Daegu 41566, South Korea.
Kyungpook Natl Univ, Greennano Mat Res Ctr, 80 Daehak Ro, Daegu 41566, South Korea.
Novosibirsk State Univ, Dept Phys, Pirogova Str 2, Novosibirsk 630090, Russia.
Nikolaev Inst Inorgan Chem SB RAS, Dept Crystal Chem, Lavrentiev Ave 3, Novosibirsk 630090, Russia.
Siberian Fed Univ, 79 Svobodniy Pr, Krasnoyarsk 660041, Russia.
ESRF European Synchrotron, 71 Ave Martyrs, F-38000 Grenoble, France.
Tomsk State Univ, 36 Lenin Prospekt, Tomsk 634050, Russia.
BAM Fed Inst Mat Res & Testing, Richard Willstatter Str 11, D-12489 Berlin, Germany.
Kirensky Inst Phys, Fed Res Ctr KSC SB RAS, Krasnoyarsk 660036, Russia.

Доп.точки доступа:
Baek, Woohyeon; Gromilov, Serey A.; Kuklin, Artem, V; Kovaleva, Evgenia A.; Fedorov, A. S.; Федоров, Александр Семенович; Sukhikh, Alexander S.; Hanfland, Michael; Pomogaev, Vladimir A.; Melchakova, Iuliia A.; Avramov, P. V.; Аврамов, Павел Вениаминович; Yusenko, Kirill, V
}
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9.


   
    The direct exchange mechanism of induced spin polarization of low-dimensional π-conjugated carbon- and h-BN fragments at LSMO(001) MnO-terminated interfaces / A. V. Kuklin [et al.] // J. Magn. Magn. Mater. - 2017. - Vol. 440: EURO-Asian Symposium on Trends in Magnetism (EASTMAG) (AUG 15-19, 2016, Siberian Fed Univ, Krasnoyarsk, RUSSIA). - P. 23-29, DOI 10.1016/j.jmmm.2016.12.096. - Cited References:70. - We acknowledge the Siberian Supercomputer Center (SSCC) of SB RAS, Novosibirsk; the Joint Supercomputer Center of RAS, Moscow and the ICC of Novosibirsk State University for providing the computing resources. Russian Science Foundation (Grant No 14-13-00139) supported the work of Russian team. . - ISSN 0304-8853. - ISSN 1873-4766
РУБ Materials Science, Multidisciplinary + Physics, Condensed Matter
Рубрики:
HEXAGONAL BORON-NITRIDE
   THIN-FILMS

   GIANT MAGNETORESISTANCE

   METALLIC

Кл.слова (ненормированные):
Graphene nanoribbons -- DFT -- LSMO thin films -- Induced spin polarization -- h-BN nanoribbons -- Half-metal
Аннотация: Induced spin polarization of π-conjugated carbon and h-BN low dimensional fragments at the interfaces formed by deposition of pentacene molecule and narrow zigzag graphene and h-BN nanoribbons on MnO2-terminated LSMO(001) thin film was studied using GGA PBE+U PAW D3-corrected approach. Induced spin polarization of π-conjugated low-dimensional fragments is caused by direct exchange with Mn ions of LSMO(001) MnO-derived surface. Due to direct exchange, the pentacene molecule changes its diamagnetic narrow-band gap semiconducting nature to the ferromagnetic semiconducting state with 0.15 eV energy shift between spin-up and spin-down valence bands and total magnetic moment of 0.11 μB. Direct exchange converts graphene nanoribbon to 100% spin-polarized half-metal with large amplitude of spin-up electronic density at the Fermi level. The direct exchange narrows the h-BN nanoribbon band gap from 4.04 to 1.72 eV in spin-up channel and converts the h-BN ribbon semiconducting diamagnetic nature to a semiconducting magnetic one. The electronic structure calculations demonstrate a possibility to control the spin properties of low-dimensional π-conjugated carbon and h-BN fragments by direct exchange with MnO-derived LSMO(001) surface for spin-related applications.

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Доп.точки доступа:
Kuklin, A. V.; Kuzubov, A. A.; Кузубов, Александр Александрович; Kovaleva, E. A.; Ковалева, Евгения Андреевна; Lee, Hyosun; Sorokin, Pavel B.; Sakai, Seiji; Entani, Shiro; Naramoto, Hiroshi; Avramov, P. V.; Аврамов, Павел Вениаминович; Russian Science Foundation [14-13-00139]; 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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10.


   
    Theoretical investigation of the interfaces and mechanisms of induced spin polarization of 1D narrow zigzag graphene- and h-BN nanoribbons on a SrO-terminated LSMO(001) surface / P. Avramov [et al.] // J. Phys. Chem. A. - 2017. - Vol. 121, Is. 3. - P. 680-689, DOI 10.1021/acs.jpca.6b09696. - Cited References:74. - We acknowledge the Siberian Supercomputer Center (SSCC) of SB RAS, Novosibirsk; the Joint Supercomputer Center of RAS, Moscow; and the ICC of Novosibirsk State University for providing the computing resources. P.B.S. acknowledges the financial support of the Ministry of Education and Science of the Russian Federation in the framework of Increase Competitiveness Program of NUST MISiS (No. K2-2015-033). The Russian Science Foundation (Grant No 14-13-00139) supported the work of the Russian team. The Japanese Science Foundation (JSPS KAKENHI, Grant No 16H3875) supported the work of the Japanese team. . - ISSN 1089-5639
РУБ Chemistry, Physical + Physics, Atomic, Molecular & Chemical
Рубрики:
HEXAGONAL BORON-NITRIDE
   AUGMENTED-WAVE METHOD

   GIANT MAGNETORESISTANCE

Аннотация: The structure of the interfaces and the mechanisms of induced spin polarization of 1D infinite and finite narrow graphene- and h-BN zigzag nanoribbons placed on a SrO-terminated La1-xSrxMnO3 (LSMO) (001) surface were studied using density functional theory (DFT) electronic structure calculations. It was found that the pi-conjugated nanofragments are bonded to the LSMO(001) surface by weak disperse interactions. The types of coordination of the fragments, the strength of bonding, and the rate of spin polarization depend upon the nature of the fragments. Infinite and finite graphene narrow zigzag nanoribbons are characterized by the lift of the spin degeneracy and strong spin polarization caused by interface-induced structural asymmetry and oxygen-mediated indirect exchange interactions with Mn ions of LSMO support. Spin polarization changes the semiconducting nature of infinite graphene nanoribbons to half-metallic state with visible spin-up density of states at the Fermi level. The h-BN nanoribbon binding energy is weaker than graphene nanoribbon ones with noticeably shorter interlayer distance. The asymmetry effect and indirect exchange interactions cause spin polarization of h-BN nanoribbon as well with formation of embedded states inside the band gap. The results show a possibility to use one-atom thick nanofragments to design LSMO-based heterostructures for spintronic nanodevices with h-BN as an inert spacer to develop different potential barriers.

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Держатели документа:
Kyungpook Natl Univ, Dept Chem, 80 Daehak Ro, Daegu 41566, South Korea.
Kyungpook Natl Univ, Green Nano Mat Res Ctr, 80 Daehak Ro, Daegu 41566, South Korea.
Siberian Fed Univ, 79 Svobodniy Pr, Krasnoyarsk 660041, Russia.
LV Kirensky Inst Phys SB RAS, 50-38 Akademgorodok, Krasnoyarsk 660036, Russia.
Natl Inst Quantum & Radiol Sci & Technol QST, Naka, Ibaraki 3191106, Japan.
Natl Univ Sci & Technol MISiS, Moscow 119049, Russia.

Доп.точки доступа:
Avramov, P. V.; Аврамов, Павел Вениаминович; Kuzubov, A. A.; Кузубов, Александр Александрович; Kuklin, A. V.; Куклин, Артем Валентинович; Lee, H.; Kovaleva, E. A.; Ковалева, Евгения Андреевна; Sakai, S.; Entani, S.; Naramoto, H.; Sorokin, P. B.; Ministry of Education and Science of the Russian Federation [K2-2015-033]; Russian Science Foundation [14-13-00139]; Japanese Science Foundation (JSPS KAKENHI) [16H3875]
}
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11.


   
    Study of interaction between transition metal atoms and bigraphene monovacancy by means of quantum chemistry / A. A. Kuzubov [et al.] // Comput. Mater. Sci. - 2016. - Vol. 112, Part A. - P. 269-275, DOI 10.1016/j.commatsci.2015.11.002. - Cited References: 39. - The authors would like to thank Siberian Supercomputer Center (SSCC) of SB RAS, Novosibirsk; and L.V. Kirensky Institute of Physics of SB RAS, Krasnoyarsk, for providing the access to their supercomputers. This work was supported by the government contract of the Ministry of Education and Science of the Russian Federation to Siberian Federal University (Grant No. 16.1500.2014/K). . - ISSN 0927-0256
РУБ Materials Science, Multidisciplinary
Рубрики:
INITIO MOLECULAR-DYNAMICS
   MASSLESS DIRAC FERMIONS

   GRAPHENE

   VACANCIES

   POINTS

   GAS

Кл.слова (ненормированные):
Bigraphene -- Spintronics -- Transition metal -- Adsorption -- Migration
Аннотация: First-row transition metal atoms adsorption on bigraphene monovacancy was studied within the framework of DFT in periodic boundary conditions. Electronic and magnetic properties of composites were analyzed and their potential utilization in spintronics was discussed. Barriers of metal atoms migration from bigraphene surface to the interlayer space through the vacancy were estimated in order to consider both thermodynamic and kinetic aspects of composites experimental preparation. Formation of metal atoms inner-sorbed on bigraphene was found to demand harsh synthesis conditions; whereas outer-sorbed composites demonstrate significantly higher degree of spin polarization which makes them perspective for usage in spintronic devices. © 2015 Elsevier B.V.

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Держатели документа:
Siberian Federal University, 79 Svobodny pr., Krasnoyarsk, Russian Federation
L.V. Kirensky Institute of Physics, 50 Akademgorodok, Krasnoyarsk, Russian Federation
Kyungpook National University, 80 Daehakro, Bukgu, Daegu, South Korea

Доп.точки доступа:
Kuzubov, A. A.; Кузубов, Александр Александрович; Avramov, P. V.; Аврамов, Павел Вениаминович; Nikolaeva, K. M.; Mikhaleva, N. S.; Kovaleva, E. A.; Kuklin, A. V.; Куклин, Артем Валентинович; Fedorov, A. S.; Федоров, Александр Семенович
}
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12.


   
    Spin polarization of zgnr4/lsmo(001) heterostructures: mno-terminated spinterface / A. V. Kuklin [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. P10.28. - P. 496. - References: 3 . - ISBN 978-5-904603-06-9
Кл.слова (ненормированные):
LSMO -- zigzag graphene nanoribbons -- DFT -- spin polarization -- ZGNR


Доп.точки доступа:
Kuklin, A. V.; Куклин, Артем Валентинович; Kuzubov, A. A.; Кузубов, Александр Александрович; Fedorov, A. S.; Федоров, Александр Семенович; Avramov, P. V.; Аврамов, Павел Вениаминович; 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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13.


   
    Characterization of LSMO/C60 spinterface by first-principle calculations / E. A. Kovaleva [et al.] // Org. Electron.: Phys. Mater. Appl. - 2016. - Vol. 37. - P. 55-60, DOI 10.1016/j.orgel.2016.06.021. - Cited References: 40. - This work was supported by the Russian Scientific Fund (Project No. 14-13-00139). The authors would like to thank Institute of Computational Modeling of SB RAS, Krasnoyarsk; Joint Supercomputer Center of RAS, Moscow; Center of Equipment for Joint Use of Siberian Federal University, Krasnoyarsk; ICC of Novosibirsk State University and Siberian Supercomputer Center (SSCC) of SB RAS, Novosibirsk for providing the access to their supercomputers. . - ISSN 1566-1199
РУБ Materials Science, Multidisciplinary + Physics, Applied
Рубрики:
INITIO MOLECULAR-DYNAMICS
   TOTAL-ENERGY CALCULATIONS

   AUGMENTED-WAVE METHOD

   ORGANIC SPIN-VALVES

   BASIS-SET

   SEMICONDUCTORS

   INJECTION

   SPINTRONICS

   TEMPERATURE

   ALGORITHM

Кл.слова (ненормированные):
C60 -- LSMO -- Spinterface -- DFT -- Magnetic ordering
Аннотация: Spinterface between fullerene C60 and La0 7Sr0 3MnO3 (LSMO) was studied by means of density functional theory. Co-existence of many different configurations was shown, and probabilities of their appearance were estimated. Dependence of composite properties on configuration and temperature was also investigated. Key role of transition metal atoms in both binding between composite compartments and magnetic ordering in C60 molecule was discussed. The latter was suggested to be responsible for spin-polarized charge transport while overall magnetic moment of fullerene molecule is relatively small. © 2016 Elsevier B.V.

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Держатели документа:
Siberian Federal University, 79 Svobodny pr., Krasnoyarsk, Russian Federation
L.V. Kirensky Institue of Physics, 50 Akademgorodok, Krasnoyarsk, Russian Federation
Kyungpook National University, 80 Daekharo Bukgu, Daegu, South Korea
Siberian State Technological University, 82 Mira pr., Krasnoyarsk, Russian Federation

Доп.точки доступа:
Kovaleva, E. A.; Kuzubov, A. A.; Кузубов, Александр Александрович; Avramov, P. V.; Аврамов, Павел Вениаминович; Kuklin, A. V.; Куклин, Артем Валентинович; Mikhaleva, N. S.; Krasnov, P. O.; Краснов, Павел Олегович
}
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14.


   
    Buckminsterfullerene's movability on the Fe(001) surface / A. A. Kuzubov [et al.] // J. Magn. Magn. Mater. - 2016. - Vol. 410. - P. 41-46, DOI 10.1016/j.jmmm.2016.03.023. - Cited References: 32. - This work was supported by the Russian Scientific Fund (Project no. 14-13-00139) and the Foundation for Assistance to Small Innovative Enterprises (FASIE) (Project no. 0011742). The authors would like to thank Institute of Computational Modeling of SB RAS, Krasnoyarsk; Joint Supercomputer Center of RAS, Moscow; Center of Equipment for Joint Use of Siberian Federal University, Krasnoyarsk; ICC of Novosibirsk State University and Siberian Supercomputer Center (SSCC) of SB RAS, Novosibirsk for providing the access to their supercomputers. . - ISSN 0304-8853
РУБ Materials Science, Multidisciplinary + Physics, Condensed Matter
Рубрики:
Initio molecular-dynamics
   Total-energy calculations

   Augmented-wave

Кл.слова (ненормированные):
Buckminsterfullerene -- C60 -- Fe(001) -- Spintronics -- Adsorption -- Relocation -- DFT
Аннотация: Organic-based spintronics is one of the most fast-developing fields in nanoelectronics. Buckminsterfullerene-based composites are widely investigated due to its unique properties and there is a number of studies concerned with its interfaces with various types of substrates. Ferromagnetic surfaces are of a particular interest for potential spintronics applications. Based on the data reported in literature, we suppose that there are more than one stable structure in C60/Fe(001) composite system. Here we investigate different possible adsorption sites of C60 molecule and reveal the possibility of their coexistence and its influence on the composite properties. © 2016 Elsevier B.V.

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Держатели документа:
Siberian Federal University, 79 Svobodny pr., Krasnoyarsk, Russian Federation
L.V. Kirensky Institute of Physics, 50 Akademgorodok, Krasnoyarsk, Russian Federation
Kyungpook National University, 80 Daehakro, Bukgu, Daegu, South Korea

Доп.точки доступа:
Kuzubov, A. A.; Кузубов, Александр Александрович; Kovaleva, E. A.; Avramov, P. V.; Аврамов, Павел Вениаминович; Kholtobina, A. S.; Mikhaleva, N. S.; Kuklin, A. V.; Куклин, Артем Валентинович
}
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15.


   
    Structure and electronic properties of hollow-caged C60 fullerene-derived (MN4)nC6(10 − n) (M = Zn, Mg, Fe, n = 1−6) complexes / V. A. Pomogaev [et al.] // Int. J. Quantum Chem. - 2015. - Vol. 115, Is. 4. - P. 239-244, DOI 10.1002/qua.24840. - Cited References:36. - Contract grant sponsor: President of the Russian Federation; contractgrant number: NSh-1305.2014.2 . - ISSN 0020. - ISSN 1097-461X. -
РУБ Chemistry, Physical + Mathematics, Interdisciplinary Applications
Рубрики:
EXCITED-STATES
   DFT

   FUNCTIONALS

   PORPHYRINS

Кл.слова (ненормированные):
C-60 fullerene -- porphyrins -- electronic structures -- spin-polarization -- formation energy
Аннотация: Unique hollow-caged (MN4)nC6(10 − n) (M = Zn, Mg, Fe, n = 1−6) complexes designed by introduction of n porphyrinoid fragments in C60 fullerene structure were proposed and the atomic and electronic structures were calculated using LC-DFT MPWB95 and M06 potentials and 6-311G(d)/6-31G(d) basis sets. The complexes were optimized using various symmetric configurations from the highest Oh to the lowest C1 point groups in different spin states from S = 0 (singlet) to S = 7 (quindectet) for M = Fe to define energetically preferable atomic and electronic structures. Several metastable complexes were determined and the key role of the metal ions in stabilization of the atomic structure of the complexes was revealed. For Fe6N24C24, the minimum energy was reported for C2h, D2h, and D4h symmetry of pentet state S = 2, so the complex can be regarded as unique molecular magnet. It was found that the metal partial density of states determine the nature of HOMO and LUMO levels making the clusters promising catalysts. © 2014 Wiley Periodicals, Inc.

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Держатели документа:
Tomsk State Univ, Tomsk 634050, Russia.
Kyungpook Natl Univ, Dept Chem, Taegu 702701, South Korea.
Siberian Fed Univ, Inst Oil & Gas, Krasnoyarsk 660041, Russia.
LV Kirensky Inst Phys SB RAS, Magnet Phenomena Lab, Krasnoyarsk 660036, Russia.

Доп.точки доступа:
Pomogaev, V. A.; Avramov, P. V.; Аврамов, Павел Вениаминович; Kuzubov, A. A.; Кузубов, Александр Александрович; Artyukhov, V. Y.; Russian Federation [NSh-1305.2014.2]
}
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16.


   
    Spin states of 2D nanocomposites of Ni and V nanoclusters on hexagonal h-BN, BC3 and graphene / P. Avramov [et al.] // J. Mater. Sci. Technol. - 2015. - Vol. 31, Is. 10. - P. 979-985, DOI 10.1016/j.jmst.2015.08.008. - Cited References:21. - The work of Russian team was supported by Russian Scientific Foundation (Grant No. 14-13-00139). P.V.A. acknowledges JAEA ASRC and Molecular Spintronics Group for hospitality and fruitful collaboration. . - ISSN 1005-0302
РУБ Materials Science, Multidisciplinary + Metallurgy & Metallurgical
Рубрики:
BORON-NITRIDE
   FILMS

Кл.слова (ненормированные):
Electronic structure -- Metal nanostructure -- Nanocomposites -- Graphene -- h-BN -- BC3 -- Spin states
Аннотация: Atomic and electronic structures of adsorbed nickel and vanadium atoms and nanoclusters (Ni-n and V-n, n = 1-10) on hexagonal h-BN and BC3 lattices were studied using DFT PBE/PBC/PW (Perdew-Burke-Ernzerhof potential of density functional theory/periodic boundary conditions/plane wave basis set) technique. For the sake of comparison the structure and properties of the same nanoclusters deposited on pristine graphene were calculated as well. It was found that for all types of supports an increase of n from 1 to 10 leaded to decrease of coordination types from eta(6) to eta(2) and eta(1). The h-BN- and BC3-based nanocomposites were characterized by high (up to 18 mu for Ni10/BC3) magnetic moments of the nanoclusters and featured by positive binding energies. The graphene-based nanocomposites revealed energetic stability and, in general, lower magnetic moments per unit cell. The direct potential energy barriers for migration of Ni eta(2)/eta(2) and eta(6)/eta(6) types of dimers on graphene were low (10.9-28.9 kJ/mol) with high reverse barriers for eta(6)/eta(6) dimers, which favored dynamically equilibrated Ni clusterization on graphene. Copyright (C) 2015, The editorial office of Journal of Materials Science & Technology. Published by Elsevier Limited. All rights reserved.

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Держатели документа:
Kyungpook Natl Univ, Taegu 702701, South Korea.
Siberian Fed Univ, Krasnoyarsk 660041, Russia.
SB RAS, LV Kirensky Phys Inst, Krasnoyarsk 660036, Academgorodok, Russia.
Japan Atom Energy Agcy, Adv Sci Res Ctr, Tokai, Ibaraki 3191195, Japan.

Доп.точки доступа:
Avramov, P. V.; Аврамов, Павел Вениаминович; Kuzubov, A. A.; Кузубов, Александр Александрович; Sakai, S.; Entani, S.; Naramoto, H.; Eliseeva, N. S.; Елисеева, Наталья Сергеевна; Russian Scientific Foundation [14-13-00139]
}
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17.


   
    Atomic structure and physical properties of fused porphyrin nanoclusters / P. V. Avramov [et al.] // J. Porphyr. Phthalocyanines. - 2014. - Vol. 18, Is. 7. - P. 552-568, DOI 10.1142/S1088424614500291. - Cited References: 66. - This work was supported by JAEA Research fellowship (P. V. A.). P. V. A. also acknowledges JAEA ASRC and Molecular Spintronics Group for hospitality and fruitful collaboration. This work was supported by the Russian Scientific Foundation, Project No. 14-13-00139. Authors are grateful for Prof. S. G. Ovchinnikov for fruitful discussions. . - ISSN 1088-4246. - ISSN 1099-1409
РУБ Chemistry, Multidisciplinary
Рубрики:
AUGMENTED-WAVE METHOD
   HOLONOMIC QUANTUM COMPUTATION

   INITIO MOLECULAR-DYNAMICS

   VAPOR ABSORPTION SPECTRA

   BORON-NITRIDE NANOTUBES

   ELECTRONIC-STRUCTURE

   REDOX REACTIONS

   EXCITED-STATES

   SPIN-STATES

   GRAPHENE

Кл.слова (ненормированные):
nanoclusters -- fused porphyrins -- electronic structure -- mechanical properties
Аннотация: The atomic and electronic structures, mechanical properties and potential barriers of formation of a set of meso–meso β–β fused porphyrin/metalloporphyrin nanopages, nanotapes, nanotubes and 2D nanofabrics were studied by GGA LC-DFT technique using cluster and PBC models. The porphyrin pages of the nanoclusters are connected with each other by graphene fragments formed by meso–meso β–β links. Fusion of all the edges of six porphyrin/metalloporphyrin units produces a novel ~ 1 nm sized molecule of cubic symmetry with a hollow cage inside. It was found that all studied nanoclusters are metastable with formation energies 0.36–7.57 kcal/mol per atom. Under applied mechanical stress, the nanoclusters exhibit superelastic and ultrastrong properties with binding graphene fragments being the weakest links for mechanical rupture. Depending on the spin-dependent reaction pathways, the hollow caged nanoclusters exhibit almost zero or low potential energy barriers (1–10 kcal/mol) during the initial stages of self-assembly. All nanoclusters exibit the main features of the electronic structures of the parent porphyrins, in particular the nature of HOMO/LUMO states and the relative energetic positions of the metal d states. The induced curvature of the hollow cage nanoclusters leads to admixture of more than 2% of the dπ⊥ states to the dσ energy region and formation of vacant superatomic molecular orbitals of d character in cubic ligand field. The Fe-derived hollow-caged nanoclusters reveal extremely high spin states with small energy differences between ferromagnetic and antiferromagnetic configurations, which can be utilized for quantum holonomic computations.

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Держатели документа:
Japan Atom Energy Agcy, Adv Sci Res Ctr, Tokai, Ibaraki 3191195, Japan
LV Kirensky Inst Phys SB RAS, Krasnoyarsk 660036, Russia
Siberian Fed Univ, Krasnoyarsk 660041, Russia
Tomsk State Univ, Tomsk 634050, Russia

Доп.точки доступа:
Avramov, P. V.; Аврамов, Павел Вениаминович; Kuzubov, A. A.; Кузубов, Александр Александрович; Sakai, S.; Ohtomo, M.; Entani, S.; Matsumoto, Y.; Eleseeva, N. S.; Елисеева, Наталья Сергеевна; Pomogaev, V. A.; Naramoto, H.; JAEA Research fellowship; Russian Scientific Foundation [14-13-00139]
}
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18.


   
    Contact-induced spin polarization in BNNT(CNT)/TM (TM=Co, Ni) nanocomposites / A. A. Kuzubov [et al.] // J. Appl. Phys. - 2014. - Vol. 116, Is. 8. - Ст. 084309, DOI 10.1063/1.4894157. - Cited References: 21. - This work was supported by the Russian Scientific Fund, Project No. 14-13-00139. The authors would like to thank Institute of Computational Modelling of SB RAS, Krasnoyarsk; Joint Supercomputer Center of RAS, Moscow; the HPC Research Department and Center of Equipment for Joint Use of Siberian Federal University, Krasnoyarsk; Siberian Supercomputer Center (SSCC) of SB RAS, Novosibirsk; and Laboratory of Parallel Information Technologies 21 of Research Computing Center of Moscow State University (the SKIF MSU "Chebyshev" system) for providing the access to their supercomputers. . - ISSN 0021-8979. - ISSN 1089-7550
РУБ Physics, Applied
Рубрики:
TOTAL-ENERGY CALCULATIONS
   HEXAGONAL BORON-NITRIDE

   WAVE BASIS-SET

   AB-INITIO

   PSEUDOPOTENTIALS

   DISPERSION

   NANOTUBE

   NI(111)

Аннотация: The interaction between carbon and BN nanotubes (NT) and transition metal Co and Ni supports was studied using electronic structure calculations. Several configurations of interfaces were considered, and the most stable ones were used for electronic structure analysis. All NT/Co interfaces were found to be more energetically favorable than NT/Ni, and conductive carbon nanotubes demonstrate slightly stronger bonding than semiconducting ones. The presence of contact-induced spin polarization was established for all nanocomposites. It was found that the contact-induced polarization of BNNT leads to the appearance of local conductivity in the vicinity of the interface while the rest of the nanotube lattice remains to be insulating. (c) 2014 AIP Publishing LLC.

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Держатели документа:
Siberian Fed Univ, Krasnoyarsk 660041, Russia
LV Kirensky Inst Phys SB RAS, Krasnoyarsk 660036, Russia
Siberian State Technol Univ, Krasnoyarsk 660049, Russia
Japan Atom Energy Agcy, Adv Sci Res Ctr, Tokai, Ibaraki 3191195, Japan

Доп.точки доступа:
Kuzubov, A. A.; Кузубов, Александр Александрович; Kovaleva, E. A.; Ковалева, Евгения Андреевна; Avramov, P. V.; Аврамов, Павел Вениаминович; Kuklin, A. V.; Куклин, Артем Валентинович; Mikhaleva, N. S.; Михалева, Наталья Сергеевна; Tomilin, F. N.; Томилин, Феликс Николаевич; Sakai, S.; Entani, S.; Matsumoto, Y.; Naramoto, H.; Russian Scientific Fund [14-13-00139]
}
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19.


   
    Моделирование взаимодействия атомов переходных металлов и вакансий в биграфене / А. А. Кузубов [и др.] // Магнитные материалы. Новые технологии : тез. докл. VI Байкал. междунар. конф. BICMM-2014. - Иркутск, 2014. - С. 104-105 . - ISBN 978-5-9624-1024-1

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Держатели документа:
Институт физики им. Л.В. Киренского СО РАН

Доп.точки доступа:
Кузубов, Александр Александрович; Kuzubov, A. A.; Аврамов, Павел Вениаминович; Avramov, P. V.; Михалева, Наталья Сергеевна; Ковалева, Евгения Андреевна; Федоров, Александр Семенович; Fedorov, A. S.; Байкальская Международная конференция "Магнитные материалы. Новые технологии"(6 ; 2014 ; авг. ; 19-23 ; пос. Большое Голоустное, Иркутская обл.); "Магнитные материалы. Новые технологии", Байкальская Международная конференция(6 ; 2014 ; авг. ; 19-23 ; пос. Большое Голоустное, Иркутская обл.); "Magnetic materials. New tecnologies", Baikal International Conference(6 ; 2014 ; Aug. 19-23 ; Bol’shoe Goloustnoe, Irkutsk region); Иркутский государственный университет
}
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20.


   
    Contact-induced spin polarization of monolayer hexagonal boron nitride on Ni(111) / M. Ohtomo [et al.] // Appl. Phys. Lett. - 2014. - Vol. 104, Is. 5. - Ст. 51604, DOI 10.1063/1.4863324. - Cited References: 20. - This study was supported by the Grant-in-Aid for Scientific Research (Grant Nos. 23860067 and 24760033) from the Japan Society for the Promotion of Science. . - ISSN 0003-6951. - ISSN 1077-3118
РУБ Physics, Applied
Рубрики:
METASTABLE DEEXCITATION SPECTROSCOPY
   METAL-SURFACES

   FILMS

   TRANSITION

Аннотация: Hexagonal boron nitride (h-BN) is a promising barrier material for graphene spintronics. In this Letter, spin-polarized metastable de-excitation spectroscopy (SPMDS) is employed to study the spin-dependent electronic structure of monolayer h-BN/Ni(111). The extreme surface sensitivity of SPMDS enables us to elucidate a partial filling of the in-gap states of h-BN without any superposition of Ni 3d signals. The in-gap states are shown to have a considerable spin polarization parallel to the majority spin of Ni. The positive spin polarization is attributed to the pi-d hybridization and the effective spin transfer to the nitrogen atoms at the h-BN/Ni(111) interface. (C) 2014 AIP Publishing LLC.

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Держатели документа:
Japan Atom Energy Agcy, Adv Sci Res Ctr, Naka, Ibaraki 3191195, Japan
Natl Inst Mat Sci, Tsukuba, Ibaraki 3050047, Japan
LV Kirensky Inst Phys SB RAS, Krasnoyarsk 660036, Russia
Siberian Fed Univ, Krasnoyarsk 660041, Russia

Доп.точки доступа:
Ohtomo, M.; Yamauchi, Y.; Kuzubov, A. A.; Кузубов, Александр Александрович; Eliseeva, N. S.; Елисеева, Наталья Сергеевна; Avramov, P. V.; Аврамов, Павел Вениаминович; Entani, S.; Matsumoto, Y.; Naramoto, H.; Sakai, S.
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