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Belyaev, B. A.
Influence the technological conditions of vacuum deposition of thin magnetic films on produced samples properties [Текст] / B. A. Belyaev, A. V. Izotov // V Euro-Asian simposium "Trend in MAGnetism": Nanomagnetism : abstracts. - Vladivostok : FEFU, 2013. - P. 184 . - ISBN 978-5-7444-3124-2

Доп.точки доступа:
Izotov, A. V.; Изотов, Андрей Викторович; Solovev, P. N.; Соловьев, Платон Николаевич; Беляев, Борис Афанасьевич; Euro-Asian Symposium "Trends in MAGnetism": Nanomagnetism(5 ; 2013 ; Sept. ; 15-21 ; Vladivostok)
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Belyaev, B. A.
Influence the technological conditions of vacuum deposition of thin magnetic films on produced samples properties [Текст] / B. A. Belyaev, A. V. Izotov, P. N. Solovev // V Euro-Asian simposium "Trend in MAGnetism": Nanomagnetism : abstracts. - Vladivostok : FEFU, 2013. - P. 229 . - ISBN 978-5-7444-3124-2

Доп.точки доступа:
Izotov, A. V.; Изотов, Андрей Викторович; Solovev, P. N.; Соловьев, Платон Николаевич; Беляев, Борис Афанасьевич; Euro-Asian Symposium "Trends in MAGnetism": Nanomagnetism(5 ; 2013 ; Sept. ; 15-21 ; Vladivostok)
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    Беляев, Борис Афанасьевич.
    Исследование влияния технологических условий вакуумного напыления тонких магнитных пленок на основные характеристики получаемых образцов / Б. А. Беляев, А. В. Изотов, П. Н. Соловьев // Изв. вузов. Физика. - 2013. - Т. 56, № 8/2. - С. 209-212. - Работа выполнена при финансовой поддержке Министерства образования и науки РФ, Госконтракт № 14.513.11.0010, и ФЦП «Научные и научно-педагогические кадры инновационной России 2009−2013 гг.»
   Перевод заглавия: The study of influence the technological conditions of vacuum deposition of thin magnetic films on major properties of produced samples
Кл.слова (ненормированные):
вакуумное напыление -- анизотропия -- намагниченность насыщения -- тонкие магнитные пленки -- vacuum deposition -- magnetic anisotropy -- saturation magnetization -- thin magnetic films
Аннотация: С помощью сканирующего спектрометра ферромагнитного резонанса проведены исследования влияния технологических условий вакуумного напыления тонких магнитных пленок на основные характеристики получаемых образцов. Показана сильная корреляция между распределением осей легкого намагничивания пленок и неоднородностью распределения внешнего магнитного поля, приложенного во время напыления. Установлено, что небольшое отклонение угла падения атомов от нормали в процессе изготовления образцов также оказывает сильное влияние на магнитные характеристики тонких пленок.
Using the scanning spectrometer of ferromagnetic resonance the study of influence the technological conditions of vacuum deposition of thin magnetic films on major properties of produced samples were performed. The strong correlation between easy directions of magnetic films and non-uniformity in distribution of external magnetic field, applied during the deposition, were shown. It was found that the small deviation of incidence angle of atoms from the normal during the producing of specimens also strong effected on magnetic parameters of thin films.

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

Доп.точки доступа:
Изотов, Андрей Викторович; Izotov, A.V.; Соловьев, Платон Николаевич; Belyaev B. A.
}
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Study of the structural and magnetic characteristics of epitaxial Fe3Si/Si(111) films / I. A. Yakovlev [et al.] // JETP Letters. - 2014. - Vol. 99, Is. 9. - P. 527-530, DOI 10.1134/S0021364014090124. - Cited References: 19. - This work was supported by the Russian Foundation for Basic Research (project no. 13-02-01265), the Council of the President of the Russian Federation for Support of Young Scientists and Leading Scientific Schools (project no. NSh-2886.2014.2), and the Ministry of Education and Science of the Russian Federation (state contract no. 02G25.31.0043; state task of the Siberian Federal University for research in 2014). . - ISSN 0021-3640. - ISSN 1090-6487

РУБ Physics, Multidisciplinary
Рубрики:
ULTRAHIGH-VACUUM
SILICON
Аннотация: The results of the structural and magnetic studies of the epitaxial structure prepared during the simultaneous evaporation from two iron and silicon sources on an atomically pure Si(111)7 × 7 surface at a substrate temperature of 150°C have been presented. The epitaxial structure has been identified as a single-crystal Fe3Si silicide film with the orientation Si[111]‖Fe3Si[111] using methods of the X-ray structural analysis, transmission electron microscopy, and reflection high-energy electron diffraction. It has been established that the epitaxial Fe3Si film at room temperature has magnetic uniaxial anisotropy (H a = 26 Oe) and a relatively narrow uniform ferromagnetic resonance line (ΔH = 11.57 Oe) measured at a pump frequency of 2.274 GHz.

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Публикация на русском языке Исследование структурных и магнитных характеристик эпитаксиальных пленок Fe3Si/Si(111) [Текст] / И. А. Яковлев [и др.] // Письма в Журн. эксперим. и теор. физ. : Наука, 2014. - Т. 99 Вып. 9-10. - С. 610 – 613

Держатели документа:
Russian Acad Sci, Kirensky Inst Phys, Siberian Branch, Krasnoyarsk 660036, Russia
Reshetnev Siberian State Aerosp Univ, Krasnoyarsk 660014, Russia
Siberian Fed Univ, Krasnoyarsk 660041, Russia

Доп.точки доступа:
Yakovlev, I. A.; Яковлев, Иван Александрович; Varnakov, S. N.; Варнаков, Сергей Николаевич; Belyaev, B. A.; Беляев, Борис Афанасьевич; Zharkov, S. M.; Жарков, Сергей Михайлович; Molokeev, M. S.; Молокеев, Максим Сергеевич; Tarasov, I. A.; Тарасов, Иван Анатольевич; Ovchinnikov, S. G.; Овчинников, Сергей Геннадьевич; Russian Foundation for Basic Research [13-02-01265]; Council of the President of the Russian Federation for Support of Young Scientists and Leading Scientific Schools [NSh-2886.2014.2]; Ministry of Education and Science of the Russian Federation [02G25.31.0043]
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Generation of coherent vacuum UV radiation in randomly quasi-phase-matched strontium tetraborate / P. Trabs [et al.] // CLEO-SI : Optical Society of America, 2015. - P. 2267, DOI 10.1364/CLEO_SI.2015.STh3H.2. - Cited References:6 . - ISBN 9781557529688 (ISBN). - ISBN 2160-9020

РУБ Engineering, Electrical & Electronic + Optics + Physics, Applied
Рубрики:
CRYSTAL
NM
Аннотация: Tunable coherent radiation is generated in the VUV down to 121 nm using random quasi-phase-matching in strontium tetraborate, the shortest wavelength ever produced with a second-order nonlinear optical process in a solid-state material. © 2015 Optical Society of America.

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Доп.точки доступа:
Trabs, P.; Noack, F.; Aleksandrovsky, A. S.; Александровский, Александр Сергеевич; Zaitsev, A. I.; Зайцев, Александр Иванович; Petrov, V.; Conference on Lasers and Electro-Optics(2015 ; May ; 10-15 ; San Jose, California, US)
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    Photoluminescence of monoclinic Li3AlF6 crystals under vacuum ultraviolet and soft X-ray excitations / V. A. Pustovarov [et al.] // Opt. Mater. - 2015. - Vol. 49. - P. 201-207, DOI 10.1016/j.optmat.2015.09.011. - Cited References: 49. - This work was partly supported by the Ministry of Education and Science of the Russian Federation (the basic part of the government mandate); Center of Excellence "Radiation and Nuclear Technologies" (Competitiveness Enhancement Program of Ural Federal University, Russia), HASYLAB DESY (Projects Nos. 20110843, 20080119EC), European Social Fund ("Mobilitas" program, MJD219), Estonian Research Council (Institutional Research Funding IUT02-26) and Baltic Science Link project coordinated by the Swedish Research Council, VR . - ISSN 0925-3467
   Перевод заглавия: Люминесценция моноклинных кристаллов Li3AlF6 под вакуумным ультрафиолетом и мягким рентгеновским излучением

РУБ Materials Science, Multidisciplinary + Optics
Рубрики:
LiBaAlF6 single-crystals
   F-type centers
   LiBaF3 crystals
   Color-centers
   Recombination luminescence
   Rietveld refinement
   VUV spectroscopy
   Trapped excitons
   Energy-transfer
   Pure
Кл.слова (ненормированные):
Li3AlF6 -- Time-resolved luminescence -- VUV spectroscopy -- Defects
Аннотация: Using Bridgman technique we have grown monoclinic β-LiAF crystals suitable for optical studies, performed XRD-identification and Rietveld refinement of the crystal structure and carried out a photoluminescence study upon vacuum ultraviolet (VUV) and extreme ultraviolet (XUV)-excitations, using the low-temperature (T = 7.2 K) time-resolved VUV-spectroscopy technique. The intrinsic PL emission band at 340–350 nm has been identified as due to radiative recombination of self-trapped excitons. The electronic structure parameters were determined: bandgap E g ≈ 12.5 eV, energy threshold for creation of unrelaxed excitons 11.8 eV < E n < 12.5 eV . The PL emission bands at 320–325 and 450 nm were attributed to luminescence caused by lattice defects. We have discovered an efficient excitation of PL emission bands in the energy range of interband transitions ( E ex > 13.5 eV), as well as in the energy range of core transitions at 130 eV. We have revealed UV–VUV PL emission bands at 170 and 208 nm due to defects. A reasonable assumptions about the origin of the UV–VUV bands were discussed.

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Держатели документа:
Ural Federal University, 19, Mira Street, Yekaterinburg, Russian Federation
Institute of Physics, University of Tartu, 14c, Ravila Street, Tartu, Estonia
Kirensky Institute of Physics, SB RAS, Akademgorodok 50, Krasnoyarsk, Russian Federation
Far Eastern State Transport University, 47, Serysheva Street, Khabarovsk, Russian Federation
Institute of Geology and Mineralogy, SB RAS, 43, Russkaya Street, Novosibirsk, Russian Federation
Novosibirsk National Research University, 2, Pirogova Street, Novosibirsk, Russian Federation

Доп.точки доступа:
Pustovarov, V. A.; Пустоваров В. А.; Ogorodnikov, I. N.; Огородников И. Н.; Omelkov, S. I.; Омелков С. И.; Molokeev, M. S.; Молокеев, Максим Сергеевич; Kozlov, A. V.; Козлов А. В.; Isaenko, L. I.; Исаенко Л. И.
}
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Magnetic properties, morphology and interfaces of (Fe/Si)n nanostructures / Bartolome J. [et al.] // J. Magn. Magn. Mater. - 2016. - Vol. 400. - P. 271-275, DOI 10.1016/j.jmmm.2015.07.046. - Cited References: 43. - The financial support of the Spanish MINECOMAT2011-23791 and MAT2015-53921-R, Aragonese DGA-IMANAE34 (cofounded by Fondo Social Europeo) and European FEDER funds is acknowledged. Program of the President of the Russian Federation for the support of leading scientific schools (Scientific School 2886.2014.2), RFBR (Grant no. 13-02-01265), the Ministry of Education and Science of the Russian Federation (State contract no. 02.G25.31.0043 and State task no. 16.663.2014К) . - ISSN 0304-8853

РУБ Materials Science, Multidisciplinary + Physics, Condensed Matter
Рубрики:
INTERLAYER EXCHANGE
   Fe/Si(100) INTERFACE
   SILICIDE FORMATION
   ULTRAHIGH-VACUUM
   FILMS
   IRON
   MAGNETORESISTANCE
   SUPERLATTICES
   SPECTROSCOPY
   DEPOSITION
Аннотация: A systematic study of the iron–silicon interfaces formed upon preparation of (Fe/Si) multilayers has been performed by the combination of modern and powerful techniques. Samples were prepared by molecular beam epitaxy under ultrahigh vacuum onto Si wafers or single crystalline Ag(100) buffer layers grown on GaAs(100). The morphology of these films and their interfaces was studied by a combination of scanning transmission electron microscopy, X-ray reflectivity, angle resolved X-ray photoelectron spectroscopy and hard X-ray photoelectron spectroscopy. The Si-on-Fe interface thickness and roughness were determined to be 1.4(1) nm and 0.6(1) nm, respectively. Moreover, determination of the stable phases formed at both Fe-on-Si and Si-on-Fe interfaces was performed using conversion electron Mössbauer spectroscopy on multilayers with well separated Si-on-Fe and Fe-on-Si interfaces. It is shown that while a fraction of Fe remains as α-Fe, the rest has reacted with Si, forming the paramagnetic FeSi phase and a ferromagnetic Fe rich silicide. We conclude that there is an identical paramagnetic c-Fe1−xSi silicide sublayer in both Si-on-Fe and Fe-on-Si interfaces, whereas an asymmetry is revealed in the composition of the ferromagnetic silicide sublayer.

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Доп.точки доступа:
Bartolome, J.; Badía-Romano, L.; Rubin J.; Bartolome F.; Varnakov, S. N.; Варнаков, Сергей Николаевич; Ovchinnikov, S. G.; Овчинников, Сергей Геннадьевич; Burgler D.E.; International Conference on Magnetism(20 ; 2015 ; Jul ; 5-10 ; Barselona, Spain)
Свободных экз. нет}
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Generation of coherent vacuum UV radiation in randomly quasi-phase-matched strontium tetraborate / P. Trabs [et al.] // Conference on Lasers and Electro-Optics Europe - Technical Digest. - 2015. - Vol. 2015-August . - ISSN 9781-5575
Кл.слова (ненормированные):
Crystals -- Frequency conversion -- Harmonic analysis -- Nonlinear optics -- Optical harmonic generation -- Optical pulses -- Wavelength measurement
Аннотация: Tunable coherent radiation is generated in the VUV down to 121 nm using random quasi-phase-matching in strontium tetraborate, the shortest wavelength ever produced with a second-order nonlinear optical process in a solid-state material. © 2015 OSA.

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Доп.точки доступа:
Trabs, P.; Noack, F.; Aleksandrovsky, A. S.; Александровский, Александр Сергеевич; Zaitsev, A. I.; Зайцев, Александр Иванович; Petrov, V.; Conference on Lasers and Electro-Optics(2015 ; May ; 10-15 ; San Jose, California, US)
}
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Generation of coherent radiation in the vacuum ultraviolet using randomly quasi-phase-matched strontium tetraborate / P. Trabs [et al.] // Opt. Lett. - 2016. - Vol. 41, Is. 3. - P. 618-621, DOI 10.1364/OL.41.000618. - Cited References:15 . - ISSN 0146-9592. - ISSN 1539-4794

РУБ Optics
Рубрики:
Crystal
SrB4O7
nm
Аннотация: Tunable coherent radiation is generated in the vacuum ultraviolet down to 121 nm using random quasi-phase matching in strontium tetraborate, the shortest wavelength ever produced with a second-order nonlinear optical process in a solid-state material. Relevant properties of this radiation, the nonlinear process, and the nonlinear crystal are investigated.

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Держатели документа:
Max Born Inst Nonlinear Opt & Ultrafast Spect, 2A Max Born Str, D-12489 Berlin, Germany.
LV Kirenskii Inst Phys, Akademgorodok 50-38, Krasnoyarsk 660036, Russia.

Доп.точки доступа:
Trabs, Peter; Noack, Frank; Aleksandrovsky, A. S.; Александровский, Александр Сергеевич; Zaitsev, A. I.; Зайцев, Александр Иванович; Petrov, Valentin
}
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10.

Generation of coherent vacuum UV radiation in randomly quasi-phase-matched strontium tetraborate / P. Trabs [et al.] // Conference on Lasers and electro-optics (CLEO) : IEEE, 2015. - Cited References:6 . - ISBN 2160-9020

РУБ Engineering, Electrical & Electronic + Optics + Physics, Applied
Рубрики:
CRYSTAL
NM
Аннотация: Tunable coherent radiation is generated in the VUV down to 121 nm using random quasi-phase-matching in strontium tetraborate, the shortest wavelength ever produced with a second-order nonlinear optical process in a solid-state material. (C) 2015 Optical Society of America

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Доп.точки доступа:
Trabs, Peter; Noack, Frank; Aleksandrovsky, A. S.; Александровский, Александр Сергеевич; Zaitsev, A. I.; Зайцев, Александр Иванович; Petrov, Valentin
}
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11.

    The influence of oxygen concentration on the formation of CuO and Cu2O crystalline phases during the synthesis in the plasma of low pressure arc discharge / A. V. Uschakov [et al.] // Vacuum. - 2016. - Vol. 128. - P. 123-127, DOI 10.1016/j.vacuum.2016.03.025. - Cited References: 19. - This study was supported by the Russian Foundation for Basic Research. (Project No 15-08-02132). . - ISSN 0042-207X
   Перевод заглавия: Влияние концентрации кислорода на формирование кристаллических фаз CuO и Cu2O в процессе синтеза в плазме дугового разряда низкого давления

РУБ Materials Science, Multidisciplinary + Physics, Applied
Рубрики:
Nanoparticles
Oxide
Кл.слова (ненормированные):
Oxides -- Vapor deposition -- X-ray diffraction -- Transmission electron microscopy (TEM) -- Catalytic properties
Аннотация: This paper describes the synthesis of copper oxide nanoparticles with different percentages of CuO and Cu2O phases. It was achieved by the control of the percentage of oxygen in the gas mixture (N2 + O2) in a plasma-chemical process of evaporation-condensation by means of low-pressure arc discharge. In all the experiments, the pressure in the plasma-chemical reactor remained constant at 60 Pa. By means of X-ray diffraction (XRD), high resolution transmission electron microscopy (HRTEM), energy-dispersive X-ray spectroscopy (EDS), Fourier transform infrared spectroscopy (FTIR) it was found that the average particle size was 6 nm, and Cu2O phase content decreases with increasing oxygen content in the gas mixture. High photocatalytic properties of Cu2O powder were shown by the example of the reaction of the methyl orange dye decomposition in water solution. The problems, associated with the performance of this method and the formation of crystalline phases, are discussed.

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Держатели документа:
Siberian Federal University, Russian Federation
Reshetnev Siberian State Aerospace University, Krasnoyarsk, Russian Federation
Krasnoyarsk Scientific Center of the Siberian Branch of the Russian Academy of Science, Krasnoyarsk, Russian Federation
Kirensky Institute of Physics, Russian Academy of Sciences, Russian Federation

Доп.точки доступа:
Uschakov, A. V.; Karpov, I. V.; Lepeshev, A. A.; Zharkov, S. M.; Жарков, Сергей Михайлович
}
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12.

Structural and magnetic features of solid-phase transformations in Mn/Bi and Bi/Mn films / V. G. Myagkov [et al.] // JETP Letters. - 2016. - Vol. 103, Is. 4. - P. 254-259, DOI 10.1134/S0021364016040111. - Cited References: 47. - This work was supported by the Russian Foundation for Basic Research (project nos. 15-02-00948 and 16-03-00069), by the Council of the President of the Russian Federation for Support of Young Scientists and Leading Scientific Schools (project no. SP-317.2015.1), and by the Foundation for Promotion of the Development of Small Scientific and Engineering Enterprises (project nos. 0011727 and 6662GU2015, program Umnik). The electron microscopy studies were performed on the equipment of the Shared Usage Center, Krasnoyarsk Research Center, Siberian Branch, Russian Academy of Sciences. . - ISSN 0021-3640

РУБ Physics, Multidisciplinary
Рубрики:
High-temperature synthesis
   Epitaxial thin-films
   State synthesis
   Martensitic transformations
   Vacuum depositions
   MnBi filmsd
   Bi
   System
   Anisotropy
   Compound
Аннотация: Solid-phase transformations at different annealing temperatures in Mn/Bi (Mn on Bi) and Bi/Mn (Bi on Mn) films have been studied using X-ray diffraction, electron microscopy, and magnetic measurements. It has been shown that the synthesis of the α-MnBi phase in polycrystalline Mn/Bi films begins at a temperature of ~120°C and the Mn and Bi layers react completely at 300°C. The resulting α-MnBi(001) samples have a large perpendicular magnetic anisotropy (Ku ≃ 1.5 × 107 erg/cm3) and a coercive force H HC ~ 3 kOe. In contrast to Mn/Bi, the ferromagnetic α-MnBi phase in Bi/Mn films is not formed even at annealing processes up to 400°C and Mn clusters are formed in a Bi melt. This asymmetry in phase transformations occurs because chemosorbed oxygen existing on the surface of the Mn film in Bi/Mn films suppresses a solid-phase reaction between Mn and Bi. The analysis of the results obtained implies the existence of new low-temperature (~120°C) structural transformation in the Mn–Bi system. © 2016, Pleiades Publishing, Inc.

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Публикация на русском языке Структурные и магнитные особенности твердофазных превращений в Mn/Bi и Bi/Mn пленках [Текст] / В. Г. Мягков [и др.] // Письма в ЖЭТФ : Наука, 2016. - Т. 103 Вып. 4. - С. 280-285

Держатели документа:
Kirensky Institute of Physics, Siberian Branch, Russian Academy of Sciences, Akademgorodok, Krasnoyarsk, Russian Federation
Siberian State Aerospace University, pr. Gazety Krasnoyarskii Rabochii, Krasnoyarsk, Russian Federation
Institute of Chemistry and Chemical Technology, Siberian Branch, Russian Academy of Sciences, Krasnoyarsk, Russian Federation
Siberian Federal University, Svobodnyi pr. 79, Krasnoyarsk, Russian Federation

Доп.точки доступа:
Myagkov, V. G.; Мягков, Виктор Григорьевич; Bykova, L. E.; Быкова, Людмила Евгеньевна; Yakovchuk, V. Yu.; Яковчук, Виктор Юрьевич; Zhigalov, V. S.; Жигалов, Виктор Степанович; Volochaev, M. N.; Волочаев, Михаил Николаевич; Matsynin, A. A.; Мацынин, Алексей Александрович; Tambasov, I. A.; Тамбасов, Игорь Анатольевич; Seredkin, V. A.; Середкин, Виталий Александрович; Patrin, G. S.; Патрин, Геннадий Семёнович; Bondarenko, G. N.; Бондаренко, Галина Николаевна
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13.

Diagnostics of fs pulses by noncollinear random quasi-phase-matched frequency doubling / A. S. Aleksandrovsky [et al.] // Appl. Phys. Lett. - 2011. - Vol. 99, Is. 21. - Ст. 211105, DOI 10.1063/1.3664094. - Cited References: 12. - The work was supported by Ministry of Education and Science of Russian Federation (Contract No. 16.740.11.0150); Grant of President of Russian Federation for support of leading scientific schools Grant Nos. SS-4645.2010.2 and RNP.2.1.1.3455 and Projects Nos. 2.5.2 and 3.9.1 of PSB RAS and 27.1 and 5 of SB RAS. A. M. Vyunishev is grateful for the support from Krasnoyarsk Regional Fund of Science and Technical Activity Support. . - ISSN 0003-6951

РУБ Physics, Applied

Кл.слова (ненормированные):
Autocorrelation measurement -- Cross-correlation measurements -- Fs pulse -- Noncollinear -- Nonlinear photonic crystals -- Nonuniformity -- Quasi-phase-matched frequency doubling -- Random structures -- Tetraborate -- Vacuum ultraviolets -- Wide spectral range -- Band structure -- Frequency doublers -- Strontium -- Photonic crystals
Аннотация: Noncollinear random quasi-phase-matched frequency doubling in nonlinear photonic crystal (NPC) of strontium tetraborate (SBO) can be used for background-free autocorrelation measurements of ultrashort pulses in wide spectral range without any angular tuning of nonlinear photonic crystal. Nonuniformity of reciprocal superlattice vectors spectrum of random structure does not affect the accuracy of measurement. Nonlinear photonic crystals of strontium tetraborate are attractive medium for cross-correlation measurements in deep and vacuum ultraviolet. VC 2011 American Institute of Physics. [doi:10.1063/1.3664094]

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Держатели документа:
[Aleksandrovsky, A. S.
Vyunishev, A. M.
Zaitsev, A. I.] LV Kirenskii Inst Phys, Krasnoyarsk 660036, Russia
[Aleksandrovsky, A. S.
Vyunishev, A. M.
Zaitsev, A. I.
Pospelov, G. I.
Slabko, V. V.] Siberian Fed Univ, Krasnoyarsk 660079, Russia
ИФ СО РАН
L. V. Kirensky Institute of Physics, 660036 Krasnoyarsk, Russian Federation
Siberian Federal University, 660079 Krasnoyarsk, Russian Federation

Доп.точки доступа:
Aleksandrovsky, A. S.; Александровский, Александр Сергеевич; Vyunishev, A. M.; Вьюнышев, Андрей Михайлович; Zaitsev, A. I.; Зайцев, Александр Иванович; Pospelov, G. I.; Slabko, V. V.; Слабко, Виталий Васильевич
}
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14.

Magnetic properties and nonmagnetic phases formation in (Fe/Si)(n) films / S. N. Varnakov [et al.] // J. Appl. Phys. - 2008. - Vol. 104, Is. 9. - Ст. 94703, DOI 10.1063/1.3005973. - Cited References: 23. - This work was supported by the Russian Academy of Science program "Spintronics," the complex integration project of the Siberian Branch of the Russian Academy of Science. 3.5, the Russian Foundation for Basic Research (Grant No. 07-03-00320), the "Ramon y Cajal" program, and Project No. MAT 2005/01272 of the Spanish Ministry of Education and Science. . - ISSN 0021-8979

РУБ Physics, Applied
Рубрики:
FE/SI/FE TRILAYER FILMS
   GIANT MAGNETORESISTANCE
   ULTRAHIGH-VACUUM
   SUPERLATTICES
   MULTILAYERS
   EXCHANGE
Кл.слова (ненормированные):
Activation energy -- Integral equations -- Magnetic properties -- Magnetization -- Magnets -- Multilayers -- Rate constants -- Silicon -- Thermal evaporation -- Vacuum -- Vacuum evaporation -- Fe layers -- High temperatures -- Interface layers -- Irreversible behaviors -- Kinetic equations -- N films -- Nonmagnetic -- Nonmagnetic phases -- Prefactor -- Quantitative analysis -- Rate equations -- Synthetic procedures -- Temperature dependences -- Ultrahigh-vacuum systems -- Phase interfaces
Аннотация: The magnetization of Fe/Si multilayers, grown by thermal evaporation in an ultrahigh vacuum system, was investigated at high temperatures. Magnetization and its temperature dependence up to a high temperature of 800 K depend on individual Fe layer thickness d(Fe). This dependence is the result of the formation of an Fe-Si interface layer (nonmagnetic phase) during the synthetic procedure. The fraction of this Fe-Si nonmagnetic phase is estimated versus dFe. At temperatures higher than 400 K an irreversible decrease in the magnetization occurs. A quantitative analysis of this irreversible behavior is proposed in terms of an exponential diffusion-like kinetic equation for the reaction that produces the Fe-Si nonmagnetic phase. The coefficients of the rate equation are the activation energy E(a) and the prefactor D(0), which have been determined for different d(Fe). (C) 2008 American Institute of Physics. [DOI: 10.1063/1.3005973]

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Держатели документа:
[Varnakov, S. N.
Komogortsev, S. V.
Ovchinnikov, S. G.] Russian Acad Sci, Kirensky Inst Phys, Siberian Div, Krasnoyarsk 660036, Russia
[Varnakov, S. N.] Siberian Aerosp Univ, Krasnoyarsk 660014, Russia
[Bartolome, J.] Univ Zaragoza, Inst Ciencia Mat Aragon, Dept Fis Mat Condensada, CSIC, E-50009 Zaragoza, Spain
[Sese, J.] Univ Zaragoza, Inst Nanociencia Aragon, Dept Fis Mat Condensada, E-50009 Zaragoza, Spain
ИФ СО РАН
Kirensky Institute of Physics, Siberian Division, Russian Academy of Sciences, Akademgorodok, Krasnoyarsk 660036, Russian Federation
Siberian Aerospace University, pr. im. gazety Krasnoyarskii rabochii 31, Krasnoyarsk 660014, Russian Federation
Instituto de Ciencia de Materiales de Aragon, Departamento de Fisica de la Materia Condensada, CSIC-Universidad de Zaragoza, Zaragoza 50009, Spain
Instituto de Nanociencia de Aragon, Departamento de Fisica de la Materia Condensada, CSIC-Universidad de Zaragoza, Zaragoza 50009, Spain

Доп.точки доступа:
Varnakov, S. N.; Варнаков, Сергей Николаевич; Komogortsev, S. V.; Комогорцев, Сергей Викторович; Ovchinnikov, S. G.; Овчинников, Сергей Геннадьевич; Bartolome, J.; Sese, J.
}
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15.

Size effects and magnetization of (Fe/Si)(n) multilayer film nanostructures / S. N. Varnakov [et al.] // Phys. Solid State. - 2007. - Vol. 49, Is. 8. - P. 1470-1475, DOI 10.1134/S1063783407080124. - Cited References: 36 . - ISSN 1063-7834

РУБ Physics, Condensed Matter
Рубрики:
GIANT MAGNETORESISTANCE
   FE/SI MULTILAYERS
   ULTRAHIGH-VACUUM
   SUPERLATTICES
   EXCHANGE
   RESONANCE
   LAYER
Аннотация: The temperature dependence of the magnetization of (Fe/Si) (n) multilayer films with nanometer layers is investigated. The films are prepared through thermal evaporation under ultrahigh vacuum onto Si(100) and Si(111) single-crystal substrates. It is revealed that the thickness of individual iron layers in (Fe/Si) (n) multilayer films affects the magnetization and its temperature dependence. The inference is made that this dependence is associated with the formation of a chemical interface at the Fe-Si boundaries. The characteristics of the chemical interface in the (Fe/Si) (n) films are estimated.

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Публикация на русском языке Размерные эффекты и намагниченность многослойных пленочных наноструктур (Fe/Si)[n] [Текст] / С. Н. Варнаков [и др.] // Физ. тверд. тела. - 2007. - Т. 49 Вып. 8. - С. 1401-1405

Держатели документа:
Russian Acad Sci, Siberian Div, LV Kirensky Phys Inst, Krasnoyarsk 660036, Russia
Siberian Airospace Univ, Krasnoyarsk 660014, Russia
Univ Zaragoza, CSIC, Inst Ciencia Mat Aragon, Zaragoza 50009, Spain
Univ Zaragoza, Inst Nanociencia Aragon, Zaragoza 50009, Spain
ИФ СО РАН
Kirensky Institute of Physics, Siberian Division, Russian Academy of Sciences, Akademgorodok Krasnoyarsk 660036, Russian Federation
Siberian Airospace University, pr. im. gazety Krasnoyarskii R. 31, Krasnoyarsk 660014, Russian Federation
Instituto de Ciencia de Materiales de Aragon, CSIC-Universidad de Zaragoza, Zaragoza 50009, Spain
Instituto de Nanociencia de Aragon, Universidad de Zaragoza, Zaragoza 50009, Spain

Доп.точки доступа:
Varnakov, S. N.; Варнаков, Сергей Николаевич; Bartolome, J.; Sese, J.; Ovchinnikov, S. G.; Овчинников, Сергей Геннадьевич; Komogortsev, S. V.; Комогорцев, Сергей Викторович; Parshin, A. S.; Bondarenko, G. V.; Бондаренко, Геннадий Васильевич; Borovik-Romanova, O. \пер.\
}
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16.

Structural and magnetic characteristics of Fe/Si bilayer and multilayer films obtained by thermal deposition in ultrahigh vacuum / S. N. Varnakov [et al.] // Tech. Phys. Lett. - 2005. - Vol. 31, Is. 11. - P. 947-950, DOI 10.1134/1.2136961. - Cited References: 15 . - ISSN 1063-7850

РУБ Physics, Applied
Рубрики:
GIANT MAGNETORESISTANCE
SUPERLATTICES
INTERFACE
Аннотация: The structural and magnetic characteristics of Fe/Si bilayer and multilayer films with nanometer-thick layers obtained by thermal deposition in ultrahigh vacuum have been studied by methods of small-angle X-ray scattering, electron spectroscopy, and magnetometry. It is established that the mechanisms involved in the formation of Fe/Si and Si/Fe interfaces are different. (C) 2005 Pleiades Publishing, Inc.

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Держатели документа:
Russian Acad Sci, Siberian Div, LV Kirensky Phys Inst, Krasnoyarsk 660036, Russia
Siberian State Aerosp Univ, Krasnoyarsk 660041, Russia
TU Bergakad Freiberg, Inst Phys Met, D-09599 Freiberg, Germany
Czech Tech Univ, Prague 16636 6, Czech Republic
ИФ СО РАН
Kirensky Institute of Physics, Siberian Division, Russian Academy of Sciences, Krasnoyarsk, 660036, Russian Federation
Siberian State Aerospace University, Krasnoyarsk, 660041, Russian Federation
Institute of Physical Metallurgy, TU Bergakademie Freiberg, D-09599 Freiberg, Germany
Czech Technical University, 16636 Prague 6, Czech Republic

Доп.точки доступа:
Varnakov, S. N.; Варнаков, Сергей Николаевич; Parshin, A. S.; Ovchinnikov, S. G.; Овчинников, Сергей Геннадьевич; Rafaja, D.; Kalvoda, L.; Balaev, A. D.; Балаев, Александр Дмитриевич; Komogortsev, S. V.; Комогорцев, Сергей Викторович
}
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17.

Thin fullerene-containing films synthesized by ion beam sputtering of fullerene mixtures with doping additives in vacuum / A. P. Semenov [et al.] // Tech. Phys. Lett. - 2005. - Vol. 31, Is. 12. - P. 1022-1025, DOI 10.1134/1.2150887. - Cited References: 11 . - ISSN 1063-7850

РУБ Physics, Applied
Рубрики:
DISCHARGE
Аннотация: A new approach to the synthesis of films containing fullerenes and doping elements is described. It is suggested that a cluster mechanism of the target sputtering by accelerated ions makes possible the deposition of fullerenes on a substrate with a certain probability for dopant atoms being introduced into the cavities of fullerene molecules and a higher probability of their occurrence between fullerene molecules. The proposed method has been experimentally implemented by using an Ar+ ion beam to sputter C-60 /C-70 fullerene mixtures (synthesized in a plasmachemical reactor at a pressure of 10(5) Pa) pressed into disk targets with a doping element (Fe, Na, B, Gd, or Se). The ion beam sputtering of dopant-containing fullerene mixtures in a vacuum of similar to 10(-2) Pa allowed micron-thick films containing C-60 and C-70 fullerenes and the corresponding dopant element (Fe, Na, B, Gd, or Se) to be grown on quartz substrates. (C) 2005 Pleiades Publishing, Inc.

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Держатели документа:
Russian Acad Sci, Siberian Div, Presidium Buryatian Sci Ctr, Dept Phys Problems, Ulan Ude, Buryatia, Russia
Russian Acad Sci, Siberian Div, LV Kirensky Phys Inst, Krasnoyarsk, Russia
Russian Acad Sci, Siberian Div, Inst Geol, Ulan Ude, Buryatia, Russia
ИФ СО РАН
Department for Physical Problems, Presidium of the Buryatian Scientific Center, Russian Academy of Sciences, Ulan-Ude, Buryatia, Russian Federation
Kirensky Institute of Physics, Siberian Division, Russian Academy of Sciences, Krasnoyarsk, Russian Federation
Institute of Geology, Siberian Division, Russian Academy of Sciences, Ulan-Ude, Buryatia, Russian Federation

Доп.точки доступа:
Semenov, A. P.; Semenova, I. A.; Bulina, N. V.; Булина, Наталья Васильевна; Lopatin, V. A.; Лопатин, Владислав Александрович; Karmanov, N. S.; Churilov, G. N.; Чурилов, Григорий Николаевич
}
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18.

Fullerene films deposited by evaporation in vacuum using spot-focused annular electron beam / A. P. Semenov [et al.] // Tech. Phys. Lett. - 2005. - Vol. 31, Is. 12. - P. 1036-1038, DOI 10.1134/1.2150891. - Cited References: 9 . - ISSN 1063-7850

РУБ Physics, Applied

Аннотация: A rapidly focused annular electron beam can provide for the effective evaporation of a fullerene mixture in a vacuum of similar to 10(-2) Pa. A 1-kW beam focused into a spot within 0.1-1 s produces explosive evaporation of a fullerene target at an extremely high efficiency of heating. A comparison of the Raman and electronic absorption spectra of the initial fullerene powder and a film deposited upon its evaporation shows that C-60 and C-70 fullerenes are evaporated without rupture of C-C covalent bonds. The electron beam evaporation in vacuum has been successfully used to obtain fullerene films on substrates with an area of similar to 0.1 m(2). (C) 2005 Pleiades Publishing, Inc.

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Держатели документа:
Russian Acad Sci, Siberian Div, Presidium Buryatian Sci Ctr, Dept Phys Problems, Ulan Ude, Buryatia, Russia
Russian Acad Sci, Siberian Div, LV Kirensky Phys Inst, Krasnoyarsk, Russia
ИФ СО РАН
Department for Physical Problems, Presidium of the Buryatian Scientific Center, Russian Academy of Sciences, Ulan-Ude, Buryatia, Russian Federation
Kirensky Institute of Physics, Siberian Division, Russian Academy of Sciences, Krasnoyarsk, Russian Federation

Доп.точки доступа:
Semenov, A. P.; Semenova, I. A.; Bulina, N. V.; Булина, Наталья Васильевна; Krylov, A. S.; Крылов, Александр Сергеевич; Churilov, G. N.; Чурилов, Григорий Николаевич; Semenova, A. A.
}
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19.

Plasma-chemical synthesis of copper oxide nanoparticles in a low-pressure arc discharge / A. V. Uschakov [et al.] // Vacuum. - 2016. - Vol. 133. - P. 25-30, DOI 10.1016/j.vacuum.2016.08.007. - Cited References:36. - The work was performed with a support of the grant of the Russian Science Foundation (Project No. 16-19-10054) . - ISSN 0042-207X

РУБ Materials Science, Multidisciplinary + Physics, Applied
Рубрики:
VACUUM-ARC
   PLASMACHEMICAL SYNTHESIS
   THIN-FILM
   DEPOSITION
Кл.слова (ненормированные):
Copper oxide nanoparticles -- Low pressure arc discharge -- Plasma-chemical synthesis -- Paschen curve -- Similarity parameter
Аннотация: The influence of a pressure of gas mixture (10 vol% O2 + 90% N2) on an average size of copper oxide nanoparticles, produced in the plasma of low pressure arc discharge, has been studied as a basic process variable. A correlation between the dependence of average particle size on gas mixture pressure and the dependence of discharge gap voltage on product of interelectrode distance by a gas mixture pressure, has been found. The estimation was carried out by means of X-ray diffraction (XRD) and high-resolution transmission electron microscopy (HRTEM). A mathematical model of the cathode region, which shows the applicability of the similarity theory to the low pressure arc discharge, has been represented.

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Держатели документа:
Russian Acad Sci, Siberian Branch, Krasnoyarsk Sci Ctr, Krasnoyarsk 660036, Russia.
Siberian Fed Univ, Krasnoyarsk 660041, Russia.
Russian Acad Sci, Kirensky Inst Phys, Krasnoyarsk 660036, Russia.

Доп.точки доступа:
Uschakov, A. V.; Karpov, I. V.; Lepeshev, A. A.; Petrov, M. I.; Петров, Михаил Иванович; Russian Science Foundation [16-19-10054]
}
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20.

Shevtsov, D. V.
Ultrahigh vacuum holder-positioner for in situ studies of conductive nanostructures in a widetemperature range / D. V. Shevtsov, S. A. Lyashchenko, S. N. Varnakov // IOP Conf. Ser.: Mater. Sci. Eng. - 2016. - Vol. 155, Is. 1. - Ст. 012028, DOI 10.1088/1757-899X/155/1/012028. - Cited References: 17. - The work was supported by the Ministry of Education and Science of the Russian Federation (State task no.16.663.2014К), RFBR (Grant no.16-42-243058) and Program of the President of the Russian Federation for the support of leading scientific schools (Scientific School 7559.2016.2)
Аннотация: A holder-positioner was developed in order to be used in high vacuum systems designed for synthesis and in situ samples investigation by optical methods in 77÷1171 K temperature range. During tests of holder- positioner the designed system demonstrated independence from other process chamber components, compactness, a large number of the sample degrees of freedom and the stability of maintaining temperatures in the range from 77 to 1171 K with a maximum sample cooling rate about 0.1 K/s.

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Доп.точки доступа:
Lyashchenko, S. A.; Лященко, Сергей Александрович; Varnakov, S. N.; Варнаков, Сергей Николаевич; Шевцов, Дмитрий Валентинович; International Scientific and Research Conference "Topical Issues in Aeronautics and Astronautics"(12 ; 11-15 April 2016 ; Krasnoyarsk)
}
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