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    Влияние реакционных условий на размер наночастиц серебра в концентрированных золях Carey Lea / С. А. Воробьев, М. Н. Лихацкий, А. С. Романченко [и др.] // Журн. СФУ. Химия. - 2020. - Т. 13, № 3. - С. 372-384 ; J. Sib. Fed. Univ. Chem., DOI 10.17516/1998-2836-0190. - Библиогр.: 34. - Работа выполнена при финансовой поддержке Российского научного фонда, грант No 18-73-00142 . - ISSN 1998-2836. - ISSN 2313-6049
   Перевод заглавия: The Influence of the Reaction Conditions on the Size of Silver Nanoparticles in Carey Lea's Concentrated Sols

РУБ Chemistry, Multidisciplinary
Рубрики:
AG NANOPARTICLES
   CITRATE
   AGGREGATION
   SURFACE
   STABILITY
   KINETICS
Кл.слова (ненормированные):
наночастицы серебра -- концентрированные золи -- влияние реакционных условий -- цитрат-ион -- silver nanoparticles -- concentrated sols -- influence of reaction conditions -- citrate ion
Аннотация: В данной работе был изучен процесс восстановления растворов Ag (I) цитратными комплексами Fe (II), который позволяет получать наночастицы серебра с высокой стабильностью и концентрацией более 60 г/л. В ходе работы было установлено влияние скорости введения, скорости перемешивания, концентрации реагентов, рН среды и некоторых постсинтетических операций на средний размер наночастиц. Показано, что снижение концентрации Ag (I) и повышение концентрации стабилизатора, доведение рН реакционной среды до 7 позволяют получать наиболее мелкие и однородные частицы. В результате были найдены оптимальные условия, которые дали возможность уменьшить размер частиц и вместе с тем снизить концентрацию реактивов на 33 %. По данным РФЭС, ПЭМ, DLS и ИК были получены наночастицы металлического серебра с размером 6.5±1.8 нм, стабилизированные продуктом частичного распада цитрат-иона.
The reaction of reduction solution of Ag (I) by Fe (II) citrate complex was studied herein. This allows you to receive silver nanoparticles with high stability with a concentration above 60 g/l. It was determined that the nanoparticles size depends on the injection rate, mixing rate, reagent concentration, pH and some post-synthetic operations on the average size of nanoparticles. It was shown that decreasing the concentration of Ag (I) and increasing the concentration of stabilizer also bringing pH to 7 lead to small and uniform particles. Optimal conditions were found that made it possible to reduce particle size and reduce the concentration of reagents by 33 % in the results. According to XPS, TEM, DLS and FTIR datas, nanoparticles of metallic silver with a size of 6.5±1.8 nm were obtained, which stabilized by the product of partial decay of the citrate ion.

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Держатели документа:
Институт химии и химической технологии ФИЦ «Красноярский научный центр СО РАН», Российская Федерация, Красноярск
Сибирский федеральный университет, Российская Федерация, Красноярск
Институт физики им. Киренского, КНЦ СО РАН, Российская Федерация, Красноярск
Сибирский государственный университет науки и технологий им. М.Ф. Решетнева, Российская Федерация, Красноярск

Доп.точки доступа:
Воробьев, С. А.; Лихацкий, М. Н.; Романченко, А. С.; Иваненко, Т. Ю.; Машарова, Д. А.; Волочаев, Михаил Николаевич; Volochaev, M. N.; Михлин, Ю. Л.; RUSSIAN SCIENCE FOUNDATIONRussian Science Foundation (RSF) [18-73-00142]

}
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    Toroidal Configuration of a Cholesteric Liquid Crystal in Droplets with Homeotropic Anchoring / M. N. Krakhalev [et al.] // JETP Letters. - 2019. - Vol. 109, Is. 7. - P. 478-481, DOI 10.1134/S0021364019070075. - Cited References: 30. - This work was supported by the Russian Science Foundation (project no. 18-72-10036). The work was performed using the equipment of the Shared Usage Center of High-Capacity Computational Resources, Moscow State University, supported by the Ministry of Education and Science of the Russian Federation (project no. RFMEFI62117X0011). . - ISSN 0021-3640. - ISSN 1090-6487
Рубрики:
NEMATIC DROPLETS
   SURFACE
Аннотация: Orientational structures formed in cholesteric droplets with homeotropic surface anchoring have been studied by means of polarization optical microscopy and computer simulations. It has been found that, when the ratio of the size of droplets to the pitch of a cholesteric helix ranges from 1.4 to 2.9, an axisymmetric toroidal cholesteric structure is formed with a topological linear defect in the form of an equatorially located surface ring. The features of the toroidal structure in cholesteric droplets and their optical textures for various observation schemes are examined in detail.

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Публикация на русском языке Тороидальная конфигурация холестерика в каплях с гомеотропным сцеплением [Текст] / М. Н. Крахалев [и др.] // Письма в ЖЭТФ. - 2019. - Т. 109 Вып. 7-8. - С. 487-491

Держатели документа:
Russian Acad Sci, Siberian Branch, Fed Res Ctr KSC, Kirensky Inst Phys, Krasnoyarsk 660036, Russia.
Siberian Fed Univ, Inst Engn Phys & Radio Elect, Krasnoyarsk 660041, Russia.
Moscow MV Lomonosov State Univ, Fac Phys, Moscow 119991, Russia.

Доп.точки доступа:
Krakhalev, M. N.; Крахалев, Михаил Николаевич; Rudyak, V. Yu.; Gardymova, A. P.; Zyryanov, V. Ya.; Зырянов, Виктор Яковлевич; Russian Science Foundation [18-72-10036]; Ministry of Education and Science of the Russian Federation [RFMEFI62117X0011]
}
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Structural and electronic parameters of ferroelectric K3WO3F3 / V. V. Atuchin [et al.] // Solid State Commun. - 2010. - Vol. 150, Is. 43-44. - P. 2085-2088, DOI 10.1016/j.ssc.2010.09.023. - Cited References: 34. - This study was partly supported by RFBR (Grant 09-02-00062) and SB RAS (Grant 34). . - ISSN 0038-1098

РУБ Physics, Condensed Matter
Рубрики:
CORE-LEVEL SPECTROSCOPY
   PHASE-TRANSITIONS
   RHEED ANALYSIS
   SURFACE
   OXYFLUORIDE
   ELPASOLITE
   (NH4)(2)KWO3F3
   SUBSTITUTION
   TEMPERATURE
   DIFFRACTION
Кл.слова (ненормированные):
Ferroelectrics -- Chemical synthesis -- Electronic structure -- Photoelectron spectroscopies
Аннотация: The low-temperature ferroelectric G2 polymorph of K3WO3F3 oxyfluoride is formed by chemical synthesis. The electronic parameters of G2-K3WO3F3 have been measured by X-ray photoelectron spectroscopy under excitation with Al K alpha radiation (1486.6 eV). Detailed spectra have been recorded for all element core levels and Auger lines. The chemical bonding effects in the WO3 F-3 and WO6 octahedrons are considered by using the binding energy difference Delta BE(O-W) = BE(O 1s) BE(W 4f(7/2)). (C) 2010 Elsevier Ltd. All rights reserved.

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Держатели документа:
[Atuchin, V. V.] SB RAS, Inst Semicond Phys, Lab Opt Mat & Struct, Novosibirsk 630090, Russia
[Gavrilova, T. A.] SB RAS, Inst Semicond Phys, Lab Nanolithog & Nanodiagnost, Novosibirsk 630090, Russia
[Kesler, V. G.] SB RAS, Inst Semicond Phys, Lab Phys Principles Integrated Microelect, Novosibirsk 630090, Russia
[Molokeev, M. S.
Aleksandrov, K. S.] SB RAS, Inst Phys, Lab Crystal Phys, Krasnoyarsk 660036, Russia
ИФ СО РАН

Доп.точки доступа:
Atuchin, V. V.; Gavrilova, T. A.; Kesler, V. G.; Molokeev, M. S.; Молокеев, Максим Сергеевич; Aleksandrov, K. S.; Александров, Кирилл Сергеевич
}
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Val'kov, V. V.
Splitting of the spectrum of fermionic excitations in a topological insulator by charge fluctuations / V. V. Val'kov // JETP Letters. - 2021. - Vol. 114, Is. 12. - P. 751-756, DOI 10.1134/S0021364021240097. - Cited References: 22. - This work was supported by the Russian Foundation for Basic Research (project no. 19-02-00348) . - ISSN 0021-3640. - ISSN 1090-6487

РУБ Physics, Multidisciplinary
Рубрики:
HUBBARD FERMIONS
   EDGE STATES
   PHASE
   SURFACE
Аннотация: It is shown that the intersite Coulomb interaction of electrons in a topological insulator leads to the splitting of the initial energy structure and to the induction of two bands of fluctuation states. As a result, the total spectrum of Fermi excitations of the topological insulator has a four-band structure. The dielectric gap is determined by the energy interval between the bottom of the band of fluctuation states of conduction electrons and the top of the valence band of fluctuation states. Since the band of fluctuation states is narrow, quasiparticles with different effective masses appear.

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Публикация на русском языке Вальков, Валерий Владимирович. Расщепление спектра фермиевских возбуждений топологического изолятора зарядовыми флуктуациями [Текст] / В. В. Вальков // Письма в ЖЭТФ. - 2021. - Т. 114 Вып. 12. - С. 812-817

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

Доп.точки доступа:
Вальков, Валерий Владимирович; Russian Foundation for Basic ResearchRussian Foundation for Basic Research (RFBR) [19-02-00348]
}
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Room-temperature ferromagnetism in Dy films doped with Ni / I. . Edelman [et al.] // Physica B. - 2008. - Vol. 403, Is. 18. - P. 3295-3301, DOI 10.1016/j.physb.2008.04.018. - Cited References: 25. - The work was supported partly by the Integration Project of SB RAS (# 3.5), Program "Spintronics" of the Department of Physical Sciences of RAS, and RFBR Grant no. 07-03-00320. . - ISSN 0921-4526

РУБ Physics, Condensed Matter
Рубрики:
METAL NANOSCALE MULTILAYERS
   EARTH
   MAGNETISM
   SURFACE
Кл.слова (ненормированные):
Dy -- Dy-Ni bi-layer films -- magnetic ordering -- magnetic circular dichroism -- magneto-optic Kerr effect -- auger spectroscopy -- Auger spectroscopy -- Dy -- Dy-Ni bi-layer films -- Magnetic circular dichroism -- Magnetic ordering -- Magneto-optic Kerr effect -- Magnetic fields -- Nickel -- Bi layer films -- Magnetic (CE) -- Magneto optical -- Room temperature (RT) ferromagnetism -- Spectral dependences -- Magnetic field effects
Аннотация: Temperature, magnetic field and spectral dependences of magneto-optical effects (MOEs) in bi-layer films Dy(1-x)Nix-Ni and Dy(1-x)(NiFe)(x)-NiFe were investigated, x changes from 0 to 0.06. Peculiar behavior of the MOEs was revealed at temperatures essentially exceeding the Curie temperature of bulk Dy which is explained by the magnetic ordering of the Dy layer containing Ni under the action of two factors: Ni impurities distributed homogeneously over the whole Dy layer and atomic contact of this layer with continues Ni layer. The mechanism of the magnetic ordering is suggested to be associated with the change of the density of states of the alloy Dy(1-x)Nix owing to hybridization with narrow peaks near the Fermi level character for Ni. (C) 2008 Elsevier B.V. All rights reserved.

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Держатели документа:
[Edelman, I.
Ovchinnikov, S.
Markov, V.
Kosyrev, N.
Seredkin, V.
Khudjakov, A.
Bondarenko, G.] Russian Acad Sci, LV Kirensky Phys Inst, Siberian Div, Krasnoyarsk 660036, Russia
[Ovchinnikov, S.] Siberian Fed Univ, Krasnoyarsk 660074, Russia
[Kesler, V.] Russian Acad Sci, Inst Semicond Phys, Siberian Div, Novosibirsk 630090, Russia
ИФ СО РАН
Kirensky Institute of Physics, Siberian Division, Russian Academy of Sciences, Akademgorodok, Krasnoyarsk, 660036, Russian Federation
Siberian Federal University, Av. Svobodnyi 71, Krasnoyarsk, 660074, Russian Federation
Institute of Semiconductor Physics, Siberian Division, Russian Academy of Sciences, Av. Akademika Lavrent'eva 13, Novosibirsk, 630090, Russian Federation

Доп.точки доступа:
Edelman, I. S.; Эдельман, Ирина Самсоновна; Ovchinnikov, S. G.; Овчинников, Сергей Геннадьевич; Markov, V. V.; Марков, Владимир Витальевич; Kosyrev, N. N.; Косырев, Николай Николаевич; Seredkin, V. A.; Середкин, Виталий Александрович; Khudyakov, A. E.; Bondarenko, G.; Kesler, V.
}
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Mironov, V. L.
Retrieving profile temperatures in a frozen topsoil near the TFS, Alaska, based on SMOS brightness temperatures at the 1.4-GHz frequency / V. L. Mironov, K. V. Muzalevskiy, Z. Ruzicka // IEEE Trans. Geosci. Remote Sensing. - 2016. - Vol. 54, Is. 12. - P. 7331-7338, DOI 10.1109/TGRS.2016.2599272. - Cited References:25. - This work was supported by the Russian Science Foundation through Project 4-17-00656. . - ISSN 0196-2892. - ISSN 1558-0644

РУБ Geochemistry & Geophysics + Engineering, Electrical & Electronic + Remote Sensing + Imaging Science & Photographic Technology
Рубрики:
DIELECTRIC MODEL
   ARCTIC SOIL
   SURFACE
   BOREAL
   TUNDRA
   GHZ
Кл.слова (ненормированные):
Microwave radiometry -- remote sensing -- soil measurements -- temperature -- measurement
Аннотация: In this paper, the method previously proposed in earlier work for measuring the temperature profile in a frozen topsoil using multiangular brightness temperature observations in the L-band has been experimentally tested. At a frequency of 1.4 GHz, full-polarization multiangular brightness temperature data were obtained from the Soil Moisture and Ocean Salinity (SMOS) satellite land product of Level 1C, with the SMOS footprint being centered at the Toolik Field Station (TFS), Alaska. The SMOS data covered the period from January 1, 2010 to December 31, 2011. Retrieval of the temperature profiles in a frozen topsoil was based on the semiempirical emission model L-MEB and the temperature-dependent dielectric model for an organic-rich tundra soil. The soil samples measured to develop the dielectric model were collected at the TFS site. For winter seasons, the retrieved temperature profiles in the 16.0-cm topsoil were validated relative to the temperature profiles measured in situ. As a result, the values of root-mean-square error and determination coefficient of the temperatures retrieved at the depths of 0.6, 8.7, and 16.0 cm, relative to the respective temperatures measured in situ, were found to be 2.8 °C, 4.9 °C, and 6.4 °C and 0.62, 0.42, and 0.26, respectively. The sources of error and possible improvements of the proposed retrieving algorithm were discussed. The major result of this study is the demonstration of the potential possibility for remote sensing of the temperature profile in a frozen arctic topsoil using the SMOS multiangular brightness data.

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Держатели документа:
Kirensky Inst Phys, Krasnoyarsk 660036, Russia.
Siberian State Aerosp Univ, Krasnoyarsk 660037, Russia.

Доп.точки доступа:
Muzalevskiy, K. V.; Музалевский, Константин Викторович; Ruzicka, Z.; Ружичка, Зденек; Миронов, Валерий Леонидович; Russian Science Foundation [4-17-00656]
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    Resonant angular conversion in a Fabry-Perot resonator holding a dielectric cylinder / E. N. Bulgakov [et al.] // J. Opt. Soc. Am. A. - 2014. - Vol. 31, Is. 2. - P. 264-267, DOI 10.1364/JOSAA.31.000264. - Cited References: 8. - This work was partially supported by RFBR grant 13-02-00497, and grants no. 43, 101 and 24.29 of SB RAS, and NSCT-SB RAS. We thank D. N. Maksimov for critical reading of the manuscript. . - ISSN 1084-7529. - ISSN 1520-8532
   Перевод заглавия: Резонансная угловая конверсия в резонаторе Фабри-Перо, содержащегодиэлектрический стержень

РУБ Optics
Рубрики:
SCATTERING
SURFACE
Аннотация: Light transmission through a Fabry–Perot resonator (FPR) holding a dielectric cylinder rod is considered. For the cylinder parallel to mirrors of the FPR and the mirrors mimicked by the δ functions we present an exact analytical theory. It is shown that light transmits only for resonant incident angles, αm, similar to the empty FPR. However after transmission the light scatters into different resonant angles, αm′ , performing resonant angular conversion. We compare the theory with experiment in the FPR, exploring multilayer films as the mirrors and glass cylinder with diameter coincided with the distance between the FPR mirrors. The measured values of angular light conversion agree qualitatively with the theoretical results.

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Доп.точки доступа:
Bulgakov, E. N.; Булгаков, Евгений Николаевич; Sadreev, A. F.; Садреев, Алмаз Фаттахович; Gerasimov, V. P.; Герасимов, Виктор Петрович; Zyryanov, V. Ya.; Зырянов, Виктор Яковлевич; RFBR [13-02-00497, 43, 101, 24.29]
}
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Reflection electron-energy-loss spectroscopy of FexSi1-x thin films / A. S. Parshin [et al.] // Tech. Phys. Lett. - 2008. - Vol. 34, Is. 5. - P. 381-383, DOI 10.1134/S1063785008050064. - Cited References: 13. - This study was supported within the framework of the “Spintronics” Program of the Department of Physics of the Russian Academy of Sciences (project no. 2007-3-1.3-24-01-286) and the Russian Foundation for Basic Research (project no. 07-03-00320) . - ISSN 1063-7850

РУБ Physics, Applied
Рубрики:
SCATTERING CROSS-SECTIONS
   LOSS SPECTRA
   QUANTITATIVE-ANALYSIS
   SURFACE
Аннотация: The values of the product of the inelastic mean free path and the differential cross section for inelastic scattering of electrons have been determined from the reflection electron-energy-loss spectra of thin films of the FexSi1-x system (0

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Публикация на русском языке Спектроскопия характеристических потерь энергии отраженных электронов в тонких пленках системы Fe[x]Si[1-x] [Текст] / А. С. Паршин [и др.] // Письма в журн. техн. физ. - 2008. - Т. 34 Вып. 9. - С. 41-48

Держатели документа:
Siberian State Aerosp Univ, Krasnoyarsk 660014, Russia
Russian Acad Sci, Inst Semicond Phys, Siberian Branch, Novosibirsk 630090, Russia
Russian Acad Sci, LV Kirensky Phys Inst, Siberian Branch, Krasnoyarsk 660036, Russia
ИФ СО РАН

Доп.точки доступа:
Parshin, A. S.; Alexandrova, G. A.; Dolbak, A. E.; Pchelyakov, O. P.; Ol'shanetski, B. Z.; Ovchinnikov, S. G.; Овчинников, Сергей Геннадьевич; Kushchenkov, S. A.
}
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Peculiarities of the decoration of carbon nanotubes with transition metal atoms / A. A. Kuzubov [et al.] // Russ. J. Phys. Chem. B. - 2011. - Vol. 5, Is. 1. - P. 163-167, DOI 10.1134/S1990793111010076. - Cited References: 12. - The authors thank Interdepartmental Supercomputer Center, Russian Academy of Sciences, for the possibility of using a cluster computer, and Siberian Federal University for providing a supercomputer, on which quantum-chemical calculations were performed. This work was financially supported by the Analytic Departmental Special-Purpose Program "The Development of the Scientific Potential of the Higher School (2009-2010)" (project no. 2.1.1/2584). . - ISSN 1990-7931

РУБ Physics, Atomic, Molecular & Chemical
Рубрики:
INITIO MOLECULAR-DYNAMICS
SURFACE
ENERGY
Кл.слова (ненормированные):
carbon nanotubes -- decoration -- transition metal atoms -- Carbon nanotubes -- Decoration -- Transition metal atoms
Аннотация: Carbon nanotubes decorated with transition metal, in particular, scandium, titanium, and vanadium, atoms offer promise for use in various applied science fields. We report the results of quantum-chemical calculations of the structure of the metallic layer of atoms of these metals coating the surface of (9, 0) and (10, 0) carbon nanotubes. It was shown that uniform one-layer coating by scandium and titanium could form on nanotubes with diameters no less than the diameter of (10, 0) nanotubes. Vanadium atoms could not uniformly cover nanotubes irrespective of their diameters.

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Держатели документа:
[Kuzubov, A. A.
Kozhevnikova, T. A.
Artyushenko, P. V.] Siberian Fed Univ, Krasnoyarsk, Russia
[Kuzubov, A. A.
Krasnov, P. O.
Popov, M. N.] Russian Acad Sci, Siberian Branch, LV Kirensky Phys Inst, Krasnoyarsk 660036, Russia
[Kuzubov, A. A.
Krasnov, P. O.] Siberian State Technol Univ, Krasnoyarsk, Russia
ИФ СО РАН
Siberian Federal University, Krasnoyarsk, Russian Federation
Kirenskii Institute of Physics, Siberian Branch, Russian Academy of Sciences, Akademgorodok, Krasnoyarsk, 660036, Russian Federation
Siberian State Technological University, Krasnoyarsk, Russian Federation

Доп.точки доступа:
Kuzubov, A. A.; Кузубов, Александр Александрович; Krasnov, P. O.; Краснов, Павел Олегович; Kozhevnikova, T. A.; Popov, M. N.; Artyushenko, P. V.
}
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10.

    Krakhalev, M. N.
    Oblique light incidence method to study topological defects in nematic layers with conical boundary conditions / M. N. Krakhalev // Sci. Rep. - 2021. - Vol. 11, Is. 1. - Ст. 17433, DOI 10.1038/s41598-021-96784-9. - Cited References: 54 . - ISSN 2045-2322
   Перевод заглавия: Метод наклонного падения света для исследования топологических дефектов в нематических слоях с коническими граничными условиями

РУБ Multidisciplinary Sciences
Рубрики:
CHOLESTERIC FINGERS
   DISCLINATIONS
   SURFACE
   WALLS
   ORDER
Аннотация: A polarization microscopy method to investigate the orientational structures and boojums formed in the chiral and achiral nematic layers under conical (tilted) boundary conditions has been developed. Oblique light incidence on nematic layer is used, due to which the phase difference between the ordinary and extraordinary waves depends on the director’s azimuthal angle. The phase difference gets maximal when the director azimuthal angle of achiral nematic φ(x,y)=0 and an azimuthal angle at the center of the chiral nematic layer φ0(x,y)=0 independently of the total twist angle φTOTAL. It has been found that the m=+1 boojums with the phase ξ=±90° and ξ=(−90°+φTOTAL/2) are formed in achiral and chiral nematics, respectively, at the director tilt angle θd/2≅40° at the interface. In addition, the defectless structure of chiral nematic with the periodically variable azimuthal director angle on the substrates has been studied.

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Держатели документа:
Fed Res Ctr KSC SB RAS, Kirensky Inst Phys, Krasnoyarsk 660036, Russia.
Siberian Fed Univ, Inst Engn Phys & Radio Elect, Krasnoyarsk 660041, Russia.

Доп.точки доступа:
Крахалев, Михаил Николаевич
}
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11.

Nickel-containing carbon nanotubes and nanoparticles prepared in a high-frequency arc plasma / I. V. Osipova [et al.] // Phys. Solid State. - 2009. - Vol. 51, Is. 9. - P. 1972-1975, DOI 10.1134/S1063783409090339. - Cited References: 6. - This study was supported in part by the Russian Foundation for Basic Research (project no. 08-08-00521) and the Integrated Interdisciplinary Project of the Siberian Branch of the Russian Academy of Sciences (project no. 12, decree no. 55). . - ISSN 1063-7834

РУБ Physics, Condensed Matter
Рубрики:
SURFACE
Аннотация: This paper presents the results of an investigation of nickel-containing carbon nanostructures prepared by plasma-chemical synthesis in a carbon-helium plasma jet at atmospheric pressure with the arc fed by a high-frequency current. It is demonstrated that, under these conditions, the conversion of graphite into a carbon condensate reaches 98 wt % and the contents of carbon nanotubes and nickel in this condensate are 72 and 10 wt %, respectively. Sequential treatment with nitric and hydrochloric acids has made it possible to extract purified carbon nanotubes and nickel nanoparticles coated with a carbon shell (approximately 50 nm thick) in which the nickel content is 4 wt %. Data are presented on the diameters of the prepared nanotubes and on the state of carbon in the samples.

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Держатели документа:
[Osipova, I. V.
Vnukova, N. G.
Zharkov, S. M.
Churilov, G. N.] Siberian Fed Univ, Inst Engn Phys & Radioelect, Krasnoyarsk 660074, Russia
[Osipova, I. V.
Vnukova, N. G.
Glushchenko, G. A.
Krylov, A. S.
Zharkov, S. M.
Churilov, G. N.] Russian Acad Sci, Siberian Branch, LV Kirensky Phys Inst, Krasnoyarsk 660036, Russia
[Tomashevich, E. V.] Russian Acad Sci, Siberian Branch, Inst Chem & Chem Technol, Krasnoyarsk 660049, Russia
ИФ СО РАН
ИХХТ СО РАН

Доп.точки доступа:
Osipova, I. V.; Осипова, Ирина Владимировна; Vnukova, N. G.; Внукова, Наталья Григорьевна; Glushchenko, G. A.; Глущенко, Гарий Анатольевич; Krylov, A. S.; Крылов, Александр Сергеевич; Tomashevich, E. V.; Zharkov, S. M.; Жарков, Сергей Михайлович; Churilov, G. N.; Чурилов, Григорий Николаевич; Russian Foundation for Basic Research [08-08-00521]; Integrated Interdisciplinary Project of the Siberian Branch of the Russian Academy of Sciences [12, 55]
}
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12.

New Opportunities for Quantitative Analysis as Applied to Reflected Electron Energy Loss Spectroscopy of Fe/Si Structures / A. S. Parshin [et al.] // Tech. Phys. - 2011. - Vol. 56, Is. 5. - P. 656-661, DOI 10.1134/S1063784211050264. - Cited References: 14. - This work was supported by the analytical target program "Development of Scientific Potential of Higher School" (project no. 2.1.1.3656); integration project at the Siberian and Far East Branches, Russian Academy of Sciences; program "Spintronics," Department of Physical Sciences, Russian Academy of Sciences; and federal target program "Scientific and Scientific-Pedagogical Personnel of Innovative Russia 2009-2013." . - ISSN 1063-7842

РУБ Physics, Applied
Рубрики:
LOSS SPECTRA
SURFACE
Аннотация: The feasibility of determining the elemental composition, chemical state, and element distribution across the depth in a subsurface region using the computer simulation of the electron inelastic scattering cross section is demonstrated with iron layers on silicon substrates. Analysis is carried out based on the dielectric theory and on the experimental determination of the product of the electron inelastic mean free path by the inelastic scattering cross section from reflected electron energy loss spectra.

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Публикация на русском языке Новые возможности количественного анализа в спектроскопии потерь энергии отраженных электронов структур Fe/Si [Текст] / А. С. Паршин [и др.] // Журнал технической физики. - 2011. - Т. 81 Вып. 5. - С. 69-74

Держатели документа:
[Parshin, A. S.
Kushchenkov, S. A.
Aleksandrova, G. A.] Reshetnev Siberian State Aerosp Univ, Krasnoyarsk 660014, Russia
[Parshin, A. S.
Ovchinnikov, S. G.] Russian Acad Sci, Kirenskii Inst Phys, Siberian Branch, Krasnoyarsk 660036, Russia
ИФ СО РАН
Reshetnev Siberian State Aerospace University, pr. im. Gazety Krasnoyarskii Rabochii 31, Krasnoyarsk, 660014, Russian Federation
Kirenskii Institute of Physics, Siberian Branch, Russian Academy of Sciences, Akademgorodok, Krasnoyarsk, 660036, Russian Federation

Доп.точки доступа:
Parshin, A. S.; Kushchenkov, S. A.; Aleksandrova, G. A.; Александрова, Галина Алексеевна; Ovchinnikov, S. G.; Овчинников, Сергей Геннадьевич
}
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13.

    Nematic structures under conical anchoring at various director tilt angles specified by polymethacrylate compositions / D. A. Kostikov, M. N. Krakhalev, O. O. Prishchepa, V. Y. Zyryanov // Polymers. - 2021. - Vol. 13, Is. 17. - Ст. 2993, DOI 10.3390/polym13172993. - Cited References: 49. - Mikhail N. Krakhalev and Oxana O. Prishchepa acknowledge financial support from Russian Foundation for Basic Research, Government of Krasnoyarsk Territory, Krasnoyarsk Regional Fund of Science (No 20-42-240007) . - ISSN 2073-4360
   Перевод заглавия: Нематические структуры с коническим сцеплением при различных углах наклона директора, задаваемых составами полиметакрилатов

РУБ Polymer Science
Рубрики:
LIQUID-CRYSTAL
   PRETILT ANGLE
   ALIGNMENT LAYERS
   SURFACE
   INTERFACE
Кл.слова (ненормированные):
conical anchoring -- polymethacrylate -- nematic liquid crystal -- orientational structure -- director tilt angle -- domain wall -- electrically-induced reorientation
Аннотация: Dependence of the director tilt angle of nematic liquid crystal (LC) under conical anchoring from the two-component polymer mixture composition has been studied. We varied the ratio of poly(isobutyl methacrylate) (PiBMA), which specifies a conical anchoring for the nematic liquid crystal LN-396, and poly(methylmethacrylate) (PMMA) assigning a tangential alignment for the same nematic. An oblique incidence light technique to determine a tilt angle has been used. It has been shown that the tilt angle increases from 0∘ to 47.7∘ when PiBMA:PMMA ratio changes in the range 30:70 to 100:0. The specific optical textures viewed under the polarizing microscope and proper orientational structures have been considered for various compositions of the polymer films. An electric field action on the formed orientational structures has been investigated. The obtained results are promising for the application in various electro-optical LC devices with a conical anchoring in which the director tilt angle is a crucial parameter: a controlled diffraction gratings, an electrically operated achromatic rotators of linear light polarization, etc.

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Держатели документа:
Fed Res Ctr KSC SB RAS, Kirensky Inst Phys, Krasnoyarsk 660036, Russia.
Siberian Fed Univ, Inst Engn Phys & Radio Elect, Krasnoyarsk 660041, Russia.

Доп.точки доступа:
Kostikov, D. A.; Костиков, Денис Андреевич; Krakhalev, M. N.; Крахалев, Михаил Николаевич; Prishchepa, O. O.; Прищепа, Оксана Олеговна; Zyryanov, V. Ya.; Зырянов, Виктор Яковлевич; Russian Foundation for Basic Research, Government of Krasnoyarsk Territory, Krasnoyarsk Regional Fund of Science [20-42-240007]
}
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14.

Muzalevskiy, K. V.
Multifrequency radiometric method of the temperature profile measurement in the active topsoil / K. V. Muzalevskiy, Z. Ruzhecka, V. L. Mironov // Radiophys. Quantum Electron. - 2015. - Vol. 58, Is. 5. - P. 339-349, DOI 10.1007/s11141-015-9608-z. - Cited References:17. - This work was performed within the framework of the State task No. 2.914.2014/K of the Ministry of Education and Science of the Russian Federation and Program No. II.12.1 "Radiometric and Acoustic Method of Remote Sensing of the Natural Environment" of the Siberian Branch of the Russian Academy of Sciences. . - ISSN 0033-8443. - ISSN 1573-9120

РУБ Engineering, Electrical & Electronic + Physics, Applied
Рубрики:
L-BAND
   MICROWAVE EMISSION
   DIELECTRIC MODEL
   ARCTIC SOIL
   SURFACE
   TUNDRA
Аннотация: In this theoretical paper, we propose a method for measuring the temperature profile in the active topsoil of the Arctic tundra using observations of the brightness temperature for two different polarizations of the radiation at frequencies of 1.4, 6.93, 7.3, and 10.7 GHz. A multifrequency physical model of microwave emission of bare soil, a dielectric model of the Arctic tundra soil, and temperature profiles, which were measured in the active topsoil at the Toolik field station on the Alaska North Slope, were used to calculate the observed values of the brightness temperature. Temperature profiles were retrieved from the observed values of the brightness temperature in the approximation of a piecewise-linear profile of topsoil temperature during 2010–2011. Correlation analysis of the temperature profiles measured at the Toolik station and retrieved from the radiometric data has shown that in winter the error of measurement of the soil temperature at depths of 0.6 and 16.0 cm in terms of the variance (correlation coefficient) does not exceed 2.3 (0.98) and 7.2 (0.62°C), respectively. In summer, the error of measurement of the soil temperature using the radiometric method is two times less than in winter.

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Публикация на русском языке Музалевский, Константин Викторович. Многочастотный радиометрический метод измерения глубинного профиля температуры в деятельном слое почвы [Текст] / К. В. Музалевский, З. З. Ружечка, В. Л. Миронов // Изв. вузов. Радиофиз. - Нижний Новгород : Науч.-исслед. радиофиз. ин-т, 2015. - Т. 58 № 5. - С. 376-388

Держатели документа:
Russian Acad Sci, LV Kirensky Inst Phys, Siberian Branch, Krasnoyarsk, Russia.
MF Reshetnev Siberian State Aerosp Univ, Krasnoyarsk, Russia.

Доп.точки доступа:
Ruzhecka, Z.; Ружичка, Зденек; Mironov, V. L.; Миронов, Валерий Леонидович; Музалевский, Константин Викторович
}
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15.

Mechanism of magnetic ordering in Dy1-xNix-Nibilayer films / S. G. Ovchinnikov [et al.] // Phys. Solid State. - 2007. - Vol. 49, Is. 5. - P. 900-904, DOI 10.1134/S1063783407050162. - Cited References: 18. - This work was supported by the Department of Physical Sciences of the Russian Academy of Sciences (program “Spintronics”) and the Siberian Division of the Russian Academy of Sciences (complex integration project no. 3.5) . - ISSN 1063-7834

РУБ Physics, Condensed Matter
Рубрики:
DYSPROSIUM
   MULTILAYERS
   SURFACE
   DY
Кл.слова (ненормированные):
73 -- 20 -- At -- 73 -- 61 -- At -- 75 -- 70 -- -i
Аннотация: A mechanism for the magnetic ordering of dysprosium in Dy1-x Ni (x) -Ni bilayer films is proposed. This ordering was discovered earlier by the authors when studying magnetic circular dichroism. For x exceeding a threshold value (similar to 0.05), the contribution from the Dy1-x Ni (x) layer in a bilayer film to the magnetic circular dichroism over the temperature range 80-300 K is approximately equal in magnitude to the magnetic circular dichroism observed in a single-layer Dy film at temperatures below the ferromagnetic phase transition temperature of Dy (similar to 100 K). Since magnetic circular dichroism is an effect linear in magnetization, the observed effect is associated with magnetic ordering of the Dy1-x Ni (x) layer in bilayer films due to the simultaneous influence of two factors: the incorporation of Ni into the Dy layer and the influence of the continuous Ni sublayer. The ferromagnetic ordering of a dysprosium layer doped with nickel (under conditions of an atomic contact with a continuous nickel layer) was confirmed by the field dependences of the polar and longitudinal Kerr effects. It was shown that both layers in the bilayer structure are magnetized in the same direction and characterized by an anisotropy of the easy-plane type. The magnetic ordering is assumed to be due to the change in the density of states of the Dy1-x Ni (x) alloy caused by hybridization with the narrow peaks near the Fermi level characteristic of nickel.

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Публикация на русском языке Механизм магнитного упорядочения в двухслойных пленках Dy[1-x]Ni[x]-Ni [Текст] / С. Г. Овчинников [и др.] // Физ. тверд. тела. - 2007. - Т. 49 Вып. 5. - С. 854-858

Держатели документа:
Russian Acad Sci, LV Kirensky Phys Inst, Siberian Div, Krasnoyarsk 660036, Russia
ИФ СО РАН
Kirensky Institute of Physics, Siberian Division, Russian Academy of Sciences, Akademgorodok, Krasnoyarsk 660036, Russian Federation

Доп.точки доступа:
Ovchinnikov, S. G.; Овчинников, Сергей Геннадьевич; Markov, V. V.; Марков, Владимир Витальевич; Edelman, I. S.; Эдельман, Ирина Самсоновна; Seredkin, V. A.; Середкин, Виталий Александрович
}
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16.

Magnetic properties and the mechanism of formation of the uncompensated magnetic moment of antiferromagnetic ferrihydrite nanoparticles of a bacterial origin / D. A. Balaev [et al.] // J. Exp. Theor. Phys. - 2014. - Vol. 119, Is. 3. - P. 479-487, DOI 10.1134/S1063776114080044. - Cited References: 42. - This work was supported by the Ministry of Education and Science of the Russian Federation (state contract in 2014-2016) and a program of the Siberian Branch of the Russian Academy of Sciences. . - ISSN 1063-7761. - ISSN 1090-6509

РУБ Physics, Multidisciplinary
Рубрики:
NIO NANOPARTICLES
   EXCHANGE BIAS
   HYSTERESIS ANOMALIES
   FERRITIN
   SURFACE
   MOSSBAUER
   ORDER
   SIZE
Аннотация: The magnetic properties of the superparamagnetic ferrihydrite nanoparticles that form as a result of the vital activity of Klebsiella oxytoca bacteria are studied. Both an initial powder with an average number of iron atoms N Fe ∼ 2000–2500 in a particle and this powder after annealing at 140°C for 3 h in air are investigated. The following substantial modifications of the magnetic properties of the ferrihydrite nanoparticles are detected after annealing: the superparamagnetic blocking temperature increases from 23 to 49.5 K, and the average magnetic moment of a particle increases (as follows from the results of processing of magnetization curves). The particles have antiferromagnetic ordering, and the magnetic moment resulting in the superparamagnetism of the system appears due to random spin decompensation inside the particle. For this mechanism, the number of uncompensated spins is proportional to the number of magnetically active atoms raised to the one-half power, and this relation holds true for the samples under study at a good accuracy. The possible causes of the detected shift of magnetic hysteresis loops at low temperatures upon field cooling are discussed.

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Публикация на русском языке Магнитные свойства и механизм формирования нескомпенсированного магнитного момента антиферромагнитных наночастиц ферригидрита бактериального происхождения [Текст] / Д. А. Балаев [и др.] // Журн. эксперим. и теор. физ. : Наука, 2014. - Т. 146 Вып. 3. - С. 546–556

Держатели документа:
Russian Acad Sci, Siberian Branch, Kirenskii Inst Phys, Krasnoyarsk 660041, Russia
Siberian Fed Univ, Krasnoyarsk 660041, Russia
Russian Acad Sci, Int Sci Ctr Extreme States Organisms, Siberian Branch, Krasnoyarsk Sci Ctr, Krasnoyarsk 660036, Russia

Доп.точки доступа:
Balaev, D. A.; Балаев, Дмитрий Александрович; Krasikov, A. A.; Красиков, Александр Александрович; Dubrovskii, A. A.; Дубровский, Андрей Александрович; Semenov, S. V.; Семёнов, Сергей Васильевич; Bayukov, O. A.; Баюков, Олег Артемьевич; Stolyar, S. V.; Столяр, Сергей Викторович; Iskhakov, R. S.; Исхаков, Рауф Садыкович; Ladygina, V. P.; Ладыгина, Валентина Петровна; Ishchenko, L. A.; Ищенко, Л. А.; Ministry of Education and Science of the Russian Federation; Siberian Branch of the Russian Academy of Sciences
}
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17.

Magnetic anisotropy in Fe films deposited on SiO2/Si(001) and Si(001) substrates / S. V. Komogortsev [et al.] // J. Magn. Magn. Mater. - 2014. - Vol. 351. - P. 104-108, DOI 10.1016/j.jmmm.2013.09.058. - Cited References: 40. - The work has been supported by RFBR Grant 11-03-00168-a, 12-02-00943-a, 13-02-01265-a, Interdisciplinary integration of fundamental research of SB RAS (2012-2014) project No. 64. Also the study was supported by The Ministry of Education and Science of Russian Federation, project 14.513.11.0016. . - ISSN 0304-8853. - ISSN 873-4766

РУБ Materials Science, Multidisciplinary + Physics, Condensed Matter
Рубрики:
UNIAXIAL ANISOTROPY
   SURFACE
   SILICON
   ROUGHNESS
Кл.слова (ненормированные):
Epitaxial growth -- Iron -- Magnetic anisotropy -- Thin film
Аннотация: The magnetic anisotropy of 10 nm iron films deposited in an ultra high vacuum on the Si(001) surface and on the Si(001) over caped by 1.5 nm layer of SiO2 was investigated. There is in-plane uniaxial magnetic anisotropy caused by oblique sputtering in the Fe films on a SiO2 buffer layer. The easy magnetization axis is always normal to the atomic flux direction but the value of the anisotropy field is different depending on the axial angle among sputtering direction and the substrate crystallographic axes. It is argued that the uniaxial magnetic anisotropy results from elongated surface roughness formation during film deposition. Several easy magnetization axes are found in Fe/Si(001) film without the SiO2 buffer layer. The mutual orientation of the main easy axes and Si crystallographic axes indicates that there is epitaxial growth of Fe/Si(001) film with the following orientation relative to the substrate: Fe[100] ?Si[110]. The anisotropy energy of Fe/Si(001) film is estimated by simulation of angle dependence of remnant magnetization m r as the sum of the mr angle plot from uniaxial anisotropy (induced by oblique deposition) and the polar plot from biaxial magnetocrystalline anisotropy. В© 2013 Elsevier B.V.

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Держатели документа:
Kirensky Inst Phys SB RAS, Krasnoyarsk 660036, Russia
Siberian State Technol Univ, Krasnoyarsk 660000, Russia
Siberian State Aerosp Univ, Krasnoyarsk 660014, Russia
Siberian Fed Univ, Krasnoyarsk 660041, Russia

Доп.точки доступа:
Komogortsev, S. V.; Комогорцев, Сергей Викторович; Varnakov, S. N.; Варнаков, Сергей Николаевич; Satsuk, S. A.; Сацук, Светлана Александровна; Yakovlev, I. A.; Яковлев, Иван Александрович; Ovchinnikov, S. G.; Овчинников, Сергей Геннадьевич
}
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18.

Gunyakov, V. A.
Investigation of the nematic-ferroelectric interface under a strong magnetic field / V. A. Gunyakov, A. M. Parshin, V. F. Shabanov // Solid State Commun. - 1998. - Vol. 105, Is. 12. - P. 761-765, DOI 10.1016/S0038-1098(97)10221-6. - Cited References: 14 . - ISSN 0038-1098

РУБ Physics, Condensed Matter
Рубрики:
ANCHORING ENERGY
   LIQUID-CRYSTAL
   WALL INTERFACE
   SURFACE
   TRANSITION
Кл.слова (ненормированные):
ferroelectrics -- liquid crystals -- surfaces and interfaces -- phase transitions -- light absorption
Аннотация: The behaviour of methoxy benzylidene butyl aniline (MBBA) nematic liquid crystal on the;cleavage surface of triglycine sulphate under a strong magnetic field has been investigated. With the saturation regime obtained for the liquid crystal cell in fields up to 100 kOe, for the first time the possibility appears to determine not only the ordinary anchoring coefficient W-2, but the effective anchoring energy W* without any fitting procedure. Considerable difference in these parameters (two orders of magnitude) disagrees with "electrical" corrections of the Rapini-Papoular approximation. This discrepancy is connected with the surface polarization caused by spontaneous ordering of longitudinal components of MBBA molecular dipoles on interface. The form of the anisotropic interaction potential for such interfaces has to take into account polar effects in near-surface layers of the liquid crystal. (C) 1998 Elsevier Science Ltd.

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Держатели документа:
Russian Acad Sci, LV Kirensky Phys Inst, Siberian Branch, Krasnoyarsk 660036, Russia
ИФ СО РАН

Доп.точки доступа:
Parshin, A. M.; Паршин, Александр Михайлович; Shabanov, V. F.; Шабанов, Василий Филиппович; Гуняков, Владимир Алексеевич
}
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19.

Identification of ε-Fe2O3 nano-phase in borate glasses doped with Fe and Gd / O. S. Ivanova [et al.] // J. Magn. Magn. Mater. - 2016. - Vol. 401. - P. 880-889, DOI 10.1016/j.jmmm.2015.10.126. - Cited References: 40. - This work was supported partly by the Russian Foundation for Basic Research, Grants No 14-02-01211-a and by the President of Russia Grant No. NSh-2886.2014.2. Authors are grateful to G.A. Bukhtiyarova and U.N. Martyanov for the assistance in the ε-Fe2O3 nanoparticles prepared by a wet chemical pore filling impregnation method and for the discussion of the obtained results . - ISSN 0304-8853

РУБ Materials Science, Multidisciplinary + Physics, Condensed Matter
Рубрики:
MAGNETIC-PROPERTIES
   IRON-OXIDE
   NANOPARTICLES
   CERAMICS
   CRYSTAL
   PARTICLES
   SURFACE
Кл.слова (ненормированные):
Magnetic nanoparticles -- ε-Fe2O3 -- Magnetic circular dichroism -- Electron magnetic resonance
Аннотация: A new type of magnetic nanoparticles was revealed in borate glasses co-doped with low contents of iron and gadolinium. Structure and magnetic properties of the particles differ essentially from that of the α-Fe2O3, γ-Fe2O3, or Fe3O4 nanoparticles which were detected earlier in similar glass matrices. Transmission electron microscopy including STEM-HAADF and EDX, synchrotron radiation-based XRD, static magnetic measurements, magnetic circular dichroism, and electron magnetic resonance studies allow referring the nanoparticles to the iron oxide phase-ε-Fe2O3. Analysis of the data set has shown that it is Gd atoms that govern the process of nanoparticles' nucleation and its incorporation into the particles in different proportions can be used to adjust their magnetic and magneto-optical characteristics. © 2015 Elsevier B.V.

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Держатели документа:
L.V. Kirensky Institute of Physics, Siberian Branch of RAS, Krasnoyarsk, Russian Federation
Siberian Federal University, Krasnoyarsk, Russian Federation
NRC Kurchatov Institute, Moscow, Russian Federation
Boreskov Institute of Catalysis, Siberian Branch of RAS, Novosibirsk, Russian Federation
Novosibirsk State University, Novosibirsk, Russian Federation
Vavilov State Optical Institute, All-Russia Research Center, Petersburg, Russian Federation

Доп.точки доступа:
Ivanova, O. S.; Иванова, Оксана Станиславовна; Ivantsov, R. D.; Иванцов, Руслан Дмитриевич; Edelman, I. S.; Эдельман, Ирина Самсоновна; Petrakovskaja, E. A.; Петраковская, Элеонора Анатольевна; Velikanov, D. A.; Великанов, Дмитрий Анатольевич; Zubavichus, Y. V.; Zaikovskii, V .I.; Stepanov, S. A.
}
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20.

Myagkov, V. G.
Epitaxial B2-NiAl layers formed by nanosecond laser irradiation of thin Al/Ni bilayers / V. G. Myagkov, L. E. Bykova, G. N. Bondarenko // Tech. Phys. Lett. - 2006. - Vol. 32, Is. 10. - P. 827-830, DOI 10.1134/S1063785006100026. - Cited References: 18 . - ISSN 1063-7850

РУБ Physics, Applied
Рубрики:
POWDER MIXTURES
   TRANSFORMATION
   TRANSITIONS
   OLIVINE
   SURFACE
Аннотация: The results of experiments on the synthesis of epitaxial B2-NiAl layers by means of nanosecond laser irradiation of sequentially deposited thin nickel and aluminum layers (Al/Ni bilayers) on a MgO(001) substrate surface are presented. Features of the phase formation under the laser action and during the combustion wave initiation are considered. The rapid formation of an epitaxial B2-NiAl layer is explained in terms of a martensitic-like mechanism of the transfer of reacting atoms via a layer of reaction products. It is suggested that this mechanism can compete with diffusion via grain boundaries and dislocation, thus explaining the ultrafast transfer of reacting atoms via a layer of reaction products for various methods of initiation of the solid-state synthesis.

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Держатели документа:
Russian Acad Sci, Siberian Div, LV Kirensky Phys Inst, Krasnoyarsk, Russia
Russian Acad Sci, Siberian Div, Inst Chem & Chem Technol, Krasnoyarsk, Russia
ИФ СО РАН
ИХХТ СО РАН
Kirensky Institute of Physics, Siberian Division, Russian Academy of Sciences, Krasnoyarsk, Russian Federation
Institute of Chemistry and Chemical Technology, Siberian Division, Russian Academy of Sciences, Krasnoyarsk, Russian Federation

Доп.точки доступа:
Bykova, L. E.; Быкова, Людмила Евгеньевна; Bondarenko, G. N.; Бондаренко, Галина Николаевна; Мягков, Виктор Григорьевич
}
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