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    Прищепа, Оксана Олеговна.
    Многообразие ориентационных структур в каплях нематических жидких кристаллов и их оптические текстуры / О. О. Прищепа, А. В. Шабанов, В. Я. Зырянов // J. Sib. Fed. Univ. Math. Phys. - 2010. - Vol. 3, Is. 3. - P. 395-406 ; Журн. СФУ. Сер. "Математика и физика". - Библиогр.: 24 . - ISSN 1997-1397
   Перевод заглавия: Variety of Orientational Structures in the Nematic Liquid Crystal Droplets and their Optical Textures
Аннотация: Представлен краткий обзор ориентационных структур в каплях нематических жидких кристал-ов и различных факторов, определяющих специфику их формирования. Основные из этих факторов: соотношение констант упругости жидких кристаллов, размер и форма капель, внешние воздействия (например, электрическое поле) и поверхностное сцепление, определяющее ориентацию молекул нематика на межфазной границе. Подробно рассмотрены особенности структурообразования в капсулированых полимером жидких кристаллах для неоднородных граничных условий.

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

Доп.точки доступа:
Шабанов, Александр Васильевич; Shabanov, A. V.; Зырянов, Виктор Яковлевич; Zyryanov, V. Ya.; Prishchepa, O. O.

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Optical textures and orientation structures of the nematic droplets with hyperbolic boojums / O. O. Prishchepa [et al.] // 16th Topical Meet. on the Opt. of Liq. Cryst. (OLC 2015) : book of abstr. - 2015. - Ст. PA-19

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Доп.точки доступа:
Prishchepa, O. O.; Прищепа, Оксана Олеговна; Krakhalev, M. N.; Крахалев, Михаил Николаевич; Sutormin, V. S.; Сутормин, Виталий Сергеевич; Shabanov, A. V.; Шабанов, Александр Васильевич; Lee, W.; Zyryanov, V. Ya.; Зырянов, Виктор Яковлевич; Topical Meeting on the Optics of Liquid Crystals(16 ; 13 - 18 Sept., 2015 ; Sopot, Poland)
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Preparation, microstructure, magnetic and transport properties of bulk textured Bi(1.8)Pb(0.3)Sr(1.9)Ca(2)Cu(3)O(x) and Bi(1.8)Pb(0.3)Sr(1.9)Ca(2)Cu(3)O(x)+Agceramics / M. I. Petrov [et al.] // Supercond. Sci. Technol. - 2008. - Vol. 21, Is. 10. - Ст. 105019, DOI 10.1088/0953-2048/21/10/105019. - Cited References: 22. - This work is supported by program of RAS 'Quantum macrophysics' No. 3.4 and integration project of SB RAS No. 3.4 and in part by Krasnoyarsk Regional Scientific Foundation (KRSF), Grants 17G057, 18G148 and 18G011. DAB and AAD acknowledge the Russian Science Support Foundation. . - ISSN 0953-2048

РУБ Physics, Applied + Physics, Condensed Matter
Рубрики:
HIGH-TEMPERATURE SUPERCONDUCTORS
   CRITICAL-CURRENT DENSITY
   BI-2223 TAPES
   BI2223
   SILVER
   DISCS
   (BI
Кл.слова (ненормированные):
Building materials -- Calcium -- Copper -- Crystallites -- Diamagnetic materials -- Lead -- Lead alloys -- Magnetic anisotropy -- Magnetic properties -- Nanocrystalline alloys -- Silver -- Textures -- Transport properties -- Bi-2223 -- Bulk samples -- Degree of textures -- Diamagnetic responses -- Liquid mediums -- Magnetic and transport properties -- Magnetic measurements -- Room temperatures -- Ceramic materials
Аннотация: A new method of preparation of bulk textured Bi2223 ceramics and Bi2223 + Ag composites, based on room temperature pressing of foamed precursor (Bi2223, Bi2223 + Ag) in a liquid medium, is proposed. SEM and XRD data prove a high degree of texture of the bulk samples obtained. Magnetic measurements performed in directions H parallel to c-axis and H parallel to a-b-planes of Bi2223 crystallites demonstrates anisotropy of magnetization confirming the texture of the ceramics. The materials obtained possess large diamagnetic response in the direction H parallel to a-b-planes of Bi2223 crystallites at both 77.4 and 4.2 K.

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Держатели документа:
[Petrov, M. I.
Shaikhutdinov, K. A.
Balaev, D. A.
Dubrovskii, A. A.
Popkov, S. I.
Vasil'ev, A. D.] LV Kirenskii Inst Phys, Krasnoyarsk 660036, Russia
[Belozerova, I. L.] Reshetnev Siberian State Aerosp Univ, Krasnoyarsk, Russia
[Mart'yanov, O. N.] Boreskov Inst Catalysis, Novosibirsk 630090, Russia
ИФ СО РАН
Kirensky Institute of Physics, 660036, Krasnoyarsk, Russian Federation
Reshetnev Siberian State Aerospace University, Krasnoyarsk, Russian Federation
Boreskov Institute of Catalysis, 630090, Novosibirsk, Russian Federation

Доп.точки доступа:
Petrov, M. I.; Петров, Михаил Иванович; Belozerova, I. L.; Shaikhutdinov, K. A.; Шайхутдинов, Кирилл Александрович; Balaev, D. A.; Балаев, Дмитрий Александрович; Dubrovskii, A. A.; Дубровский, Андрей Александрович; Popkov, S. I.; Попков, Сергей Иванович; Vasil'ev, A. D.; Васильев, Александр Дмитриевич; Mart'yanov, O. N.
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Prishchepa, O. O.
Director configurations in nematic droplets with inhomogeneous boundary conditions / O. O. Prishchepa, A. V. Shabanov, V. Y. Zyryanov // Phys. Rev. E. - 2005. - Vol. 72, Is. 3. - Ст. 31712, DOI 10.1103/PhysRevE.72.031712. - Cited References: 22 . - ISSN 1539-3755

РУБ Physics, Fluids & Plasmas + Physics, Mathematical
Рубрики:
DISPERSED LIQUID-CRYSTALS
TRANSITION
Кл.слова (ненормированные):
Lecithin contents -- Nematic droplets -- Polarizers -- Radial structures -- Approximation theory -- Boundary conditions -- Drop breakup -- Free energy -- Polarization -- Textures -- Nematic liquid crystals
Аннотация: The nematic droplets with director configurations intermediate between the bipolar and radial structures have been investigated experimentally and theoretically. The liquid crystal 4(')-n-pentyl-4-cyanobiphenyl (5CB) with a variable addition of the lecithin dispersed in polyvinylbutyral has been used. The characteristic textures of the droplets formed at various lecithin contents have been examined using polarizing microscope both in the crossed polarizers and without analyzer. The computer simulation has been performed for proper ordering of the director in spherical nematic droplets by minimizing the free energy in the one-constant approximation. The inhomogeneous boundary conditions with strong anchoring of the molecules at the interface have been used. The distribution of the anchoring angle at the droplet surface has been estimated based on analysis of observed patterns. The simulated textures of the droplets under crossed polarizers are shown to compare well with the experimental ones.

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Держатели документа:
LV Kirenskii Inst Phys, Akademgorodok, Krasnoyarsk 660036, Russia
ИФ СО РАН
L.V. Kirensky Institute of Physics, Akademgorodok, Krasnoyarsk 660036, Russian Federation

Доп.точки доступа:
Shabanov, A. V.; Шабанов, Александр Васильевич; Zyryanov, V. Y.; Зырянов, Виктор Яковлевич; Прищепа, Оксана Олеговна
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Local electron structure and magnetization in beta-Fe86Mn13C / L. I. Kveglis [et al.] // Superlattices Microstruct. - 2009. - Vol. 46, Is. 1-2. - P. 114-120, DOI 10.1016/j.spmi.2008.11.023. - Cited References: 12 . - ISSN 0749-6036

РУБ Physics, Condensed Matter
Рубрики:
PHASE
Кл.слова (ненормированные):
Frank-Kasper structure -- Local electron structure -- Spin-polarized electronic conditions -- Frank-Kasper structure -- Local electron structure -- Spin-polarized electronic conditions -- Austenite grain -- Austenitic -- C-steel -- Close packed structures -- Dynamic loadings -- Electron structures -- Frank-Kasper structure -- Induction method -- Intergranular -- Local electron structure -- Local electronic structures -- Local magnetization -- Self-consistent field -- Spin-polarized electronic conditions -- Transition regions -- Austenite -- Diffraction -- Electronic structure -- Electrons -- Magnets -- Manganese -- Manganese compounds -- Optical microscopy -- Phase transitions -- Spin dynamics -- Steel -- Textures -- Magnetization -- Frank-Kasper structure -- Local electron structure -- Spin-polarized electronic conditions -- Austenite grain -- Austenitic -- C-steel -- Close packed structures -- Dynamic loadings -- Electron structures -- Frank-Kasper structure -- Induction method -- Intergranular -- Local electron structure -- Local electronic structures -- Local magnetization -- Self-consistent field -- Spin-polarized electronic conditions -- Transition regions -- Austenite -- Diffraction -- Electronic structure -- Electrons -- Magnets -- Manganese -- Manganese compounds -- Optical microscopy -- Phase transitions -- Spin dynamics -- Steel -- Textures -- Magnetization
Аннотация: The aim of the work is to elucidate the origin of magnetization presence in austenitic Fe86Mn13C steel after dynamic loading. The observation of microstructures in the region of transition from FCC austenitic Fe86Mn13C steel to FK12 + FK14 type of Frank-Kasper tetrahedral close packed structure is described. We used the methods of optical microscopy, electron microscopy, electron diffraction and X-ray-diffraction to investigate the phase transition region. Changes of local magnetization were estimated by induction method. To explain the magnetization origin of the sample consisting of austenite grains and intergranular layers, which have Frank-Kasper's structure (FK12 + FK14) typical of beta-Fe-Mn, the local electronic structure has been investigated for intergranular layers. The local electron structure of FK12 and FK14 clusters have been simulated by method of self-consistent field to understand the nature of non-zero magnetization of the Fe87Mn13 alloy exposed by shock deformation. It was shown, that numbers of states with upward and downward spins are not equal. Therefore the occurrence of magnetization is possible. (c) 2009 Published by Elsevier Ltd

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Держатели документа:
[Kveglis, L. I.
Abylkalykova, R. B.] E Kazakhstan Tech Univ, Ust Kamenogorsk, Kazakhstan
[Noskov, F. M.] Siberian Fed Univ, Krasnoyarsk, Russia
[Arhipkin, V. G.
Musikhin, V. A.] SB RAS, Inst Phys, Krasnoyarsk, Russia
[Cherepanov, V. N.
Niavro, A. V.] Siberian Phys & Tech Inst, Tomsk, Russia
ИФ СО РАН
East-Kazakstan Technical University, Kazakhstan
Siberian Federal University, Krasnoyarsk, Russian Federation
Institute of Physics SB RAS, Krasnoyarsk, Russian Federation
Siberian Physics and Technical Institute, Tomsk, Russian Federation
East-Kazakstan Technical University, Kazakhstan
Siberian Federal University, Krasnoyarsk, Russian Federation
Institute of Physics SB RAS, Krasnoyarsk, Russian Federation
Siberian Physics and Technical Institute, Tomsk, Russian Federation

Доп.точки доступа:
Kveglis, L. I.; Квеглис, Людмила Иосифовна; Abylkalykova, R. B.; Noskov, F. M.; Arkhipkin, V. G.; Архипкин, Василий Григорьевич; Musikhin, V. A.; Cherepanov, V. N.; Niavro, A. V.; International Conference on Nano-structures Self-Assembling(2 ; 2008 ; July ; 7-10 ; Rome, Italy)
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Transformation of cholesteric orientational structures and optical textures induced by the electric field–driven ionic modification of surface anchoring / V. S. Sutormin [et al.] // Bull. Russ. Acad. Sci. Phys. - 2017. - Vol. 81, Is. 5. - P. 602-604, DOI 10.3103/S1062873817050239. - Cited References: 8 . - ISSN 1062-8738
Кл.слова (ненормированные):
Cholesteric liquid crystals -- Liquid crystals -- Dc electric field -- Helical pitch -- Homeotropic alignment -- Ionic modification -- Liquid crystal cells -- Optical texture -- Orientational structure -- Surface-anchoring -- Electric fields
Аннотация: The reorientation of a cholesteric liquid crystal with a large helical pitch induced by the electric field–driven modification of surface anchoring is investigated. In the initial state, the liquid crystal cell has a homeotropic alignment of the director. An applied dc electric field produced a twisted homeoplanar structure of the cholesteric. © 2017, Allerton Press, Inc.

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Публикация на русском языке Трансформация ориентационных структур и оптических текстур холестерика, индуцированная электроуправляемой ионной модификацией поверхностного сцепления [Текст] / В. С. Сутормин [и др.] // Изв. РАН. Сер. физич. - 2017. - Т. 81 № 5. - С. 649-652

Держатели документа:
Kirensky Institute of Physics, Federal Research Center–Krasnoyarsk Scientific Center, Siberian Branch, Russian Academy of Sciences, Krasnoyarsk, Russian Federation
Siberian Federal University, Krasnoyarsk, Russian Federation

Доп.точки доступа:
Sutormin, V. S.; Сутормин, Виталий Сергеевич; Timofeev, I. V.; Тимофеев, Иван Владимирович; Krakhalev, M. N.; Крахалев, Михаил Николаевич; Prishchepa, O. O.; Прищепа, Оксана Олеговна; Zyryanov, V. Ya.; Зырянов, Виктор Яковлевич
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Gardymova, Anna P..
Optical textures and orientational structures in cholesteric droplets with conical boundary conditions / A. P. Gardymova, M. N. Krakhalev, V. Y. Zyryanov // Molecules. - 2020. - Vol. 25, Is. 7. - Ст. 1740, DOI 10.3390/molecules25071740. - Cited References: 53. - The authors are grateful for the financial support by the Russian Science Foundation (grant No. 18-72-10036). . - ISSN 1420-3049

РУБ Biochemistry & Molecular Biology + Chemistry, Multidisciplinary
Рубрики:
DISPERSED LIQUID-CRYSTALS
CHIRAL NEMATIC DROPLETS
IONIC MODIFICATION
Кл.слова (ненормированные):
cholesteric liquid crystal -- droplet -- optical texture -- orientational structure -- conical surface anchoring -- topological defect
Аннотация: Cholesteric droplets dispersed in polymer with conical boundary conditions have been studied. The director configurations are identified by the polarising microscopy technique. The axisymmetric twisted axial-bipolar configuration with the surface circular defect at the droplet’s equator is formed at the relative chirality parameter N0≤2.9 . The intermediate director configuration with the deformed circular defect is realised at 2.9
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Держатели документа:
Siberian Fed Univ, Inst Engn Phys & Radio Elect, Krasnoyarsk 660041, Russia.
RAS, Fed Res Ctr KSC SB, Kirensky Inst Phys, Krasnoyarsk 660036, Russia.

Доп.точки доступа:
Krakhalev, M. N.; Крахалев, Михаил Николаевич; Zyryanov, V. Ya.; Зырянов, Виктор Яковлевич; Russian Science FoundationRussian Science Foundation (RSF) [18-72-10036]
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Multichannel photonic devices based on tristable polymer-stabilized cholesteric textures / Y. C. Hsiao [et al.] // Optics Express. - 2011. - Т. 19, № 24. - P23952-23957, DOI 10.1364/OE.19.023952 . - ISSN 1094-4087

РИНЦ
Держатели документа:
Center for Nanotechnology,Chung Yuan Christian University
Department of Physics,Chung Yuan Christian University
Kirensky Institute of Physics,Krasnoyarsk Scientific Center,Siberian Branch of the Russian Academy of Sciences

Доп.точки доступа:
Hsiao, Y. C.; Hou, C. T.; Lee, W.; Zyryanov, V. Y.
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Frequency Dependence of Permittivity of Free and Bound Water in Soils for Different Textures [Text] / P. P. Bobrov, V. L. Mironov [et al.] // Progress in Electromagnetics Research Symposium Proceedings (PIERS 2009). - 2009. - P. 752-756

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Доп.точки доступа:
Bobrov, P.P.; Mironov, V. L.; Kondratieva, O.V.; Repin, A.V.; Progress In Electromagnetics Research Symposium(26 ; 2009 ; Aug. ; 18-21 ; Moscow)
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10.

Frequency Dependence of Permittivity of Free and Bound Water in Soils for Different Textures / P. P. Bobrov, V. L. Mironov [et al.] // PIERS Online. - 2009. - Vol. 5, № 5. - P. 426-430

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Доп.точки доступа:
Bobrov, P. P.; Mironov, V. L.; Миронов, Валерий Леонидович; Kondratieva, O.V.; Repin, A.V.
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