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1.


    Barannik, A. V.
    Interference oscillations in the dynamics of the optical response of polymer dispersed nematic liquid crystals / A. V. Barannik, A. V. Shabanov, V. Y. Zyryanov // Tech. Phys. Lett. - 2002. - Vol. 28, Is. 8. - P. 675-677, DOI 10.1134/1.1505547. - Cited References: 14 . - ISSN 1063-7850
РУБ Physics, Applied
Рубрики:
REORIENTATION
   MONOLAYER

Аннотация: The dynamics of the optical response of a polymer-dispersed nematic liquid crystal under the action of electric field pulses was experimentally studied for film samples differing in the size of nematic droplets. The optical signal relaxation curve exhibits an oscillating character, with the number of oscillations determined by the transverse size of the nematic droplets. The interference character of the signal oscillations is confirmed by an analysis of the oscillating response within the framework of the anomalous diffraction approximation and by a comparison with the dependence of the transmitted light intensity on the applied voltage measured in a static regime. (C) 2002 MAIK "Nauka / Interperiodica".

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

Доп.точки доступа:
Shabanov, A. V.; Шабанов, Александр Васильевич; Zyryanov, V. Y.; Зырянов, Виктор Яковлевич
}
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2.


   
    Calculating the energy of vacancies and adatoms in a hexagonal SiC monolayer / A. A. Kuzubov [et al.] // Russ. J. Phys. Chem. A. - 2012. - Vol. 86, Is. 7. - P. 1091-1095, DOI 10.1134/S0036024412070138. - Cited References: 21 . - ISSN 0036-0244
РУБ Chemistry, Physical
Рубрики:
INITIO MOLECULAR-DYNAMICS
   ELECTRONIC-PROPERTIES

   ABSORPTION-SPECTRA

Кл.слова (ненормированные):
silicon carbide -- defects -- adatoms -- density functional method
Аннотация: It is noted that the development of semiconductor SiC-electronics is prevented by a low quality of grown silicon carbide single crystals. It is found that structural defects of a substrate penetrating into an epitaxial layer upon subsequent homoepitaxial growth can considerably degrade a device's characteristics. We investigate the effect of the deformation of a hexagonal SiC monolayer on vacancy stability and material properties, and study the processes of silicon and carbon adatom migration over a surface of SiC.

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Публикация на русском языке Расчет энергии вакансий и адатомов в монослое гексагонального SiC [Текст] / А. А. Кузубов [и др.] // Журн. физ. химии. - 2012. - Т. 86 № 7. - С. 1207-1211

Держатели документа:
[Kuzubov, A. A.
Eliseeva, N. S.
Tomilin, F. N.
Tolstaya, A. V.] Siberian Fed Univ, Krasnoyarsk 660041, Russia
[Kuzubov, A. A.
Krasnov, P. O.
Tomilin, F. N.
Fedorov, A. S.] Russian Acad Sci, LV Kirensky Phys Inst, Siberian Branch, Krasnoyarsk 660036, Russia
[Kuzubov, A. A.
Krasnov, P. O.] Siberian State Technol Univ, Krasnoyarsk 660049, Russia

Доп.точки доступа:
Kuzubov, A. A.; Кузубов, Александр Александрович; Eliseeva, N. S.; Krasnov, P. O.; Краснов, Павел Олегович; Tomilin, F. N.; Томилин, Феликс Николаевич; Fedorov, A. S.; Федоров, Александр Семенович; Tolstaya, A. V.
}
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3.


   
    Competing magnetic states in silicene and germanene 2D ferromagnets / D. V. Averyanov, I. S. Sokolov, M. S. Platunov [et al.] // Nano Res. - 2020. - Vol. 13, Is. 12. - P. 3396-3402, DOI 10.1007/s12274-020-3027-y. - Cited References: 58. - This work was supported by National Research Center (NRC) "Kurchatov Institute" (No. 1359, characterization) and the Russian Science Foundation (No. 19-19-00009 (synthesis) and No. 20-79-10028 (magnetization measurements)). D. V. A. also acknowledges support from the President's scholarship (SP 1398.2019.5). The measurements have been carried out using equipment of the resource centers of electrophysical and electron microscopy techniques in NRC "Kurchatov Institute" . - ISSN 1998-0124. - ISSN 1998-0000
РУБ Chemistry, Physical + Nanoscience & Nanotechnology + Materials Science,
Рубрики:
RAY CIRCULAR-DICHROISM
   ABSORPTION

Кл.слова (ненормированные):
silicene -- germanene -- 2D ferromagnetism -- X-ray magnetic circular dichroism (XMCD) -- monolayer
Аннотация: Two-dimension (2D) magnets have recently developed into a class of stoichiometric materials with prospective applications in ultra-compact spintronics and quantum computing. Their functionality is particularly rich when different magnetic orders are competing in the same material. Metalloxenes REX2 (RE = Eu, Gd; X = Si, Ge), silicene or germanene — heavy counterparts of graphene — coupled with a layer of rare-earth metals, evolve from three-dimension (3D) antiferromagnets in multilayer structures to 2D ferromagnets in a few monolayers. This evolution, however, does not lead to fully saturated 2D ferromagnetism, pointing at a possibility of coexisting/competing magnetic states. Here, REX2 magnetism is explored with element-selective X-ray magnetic circular dichroism (XMCD). The measurements are carried out for GdSi2, EuSi2, GdGe2, and EuGe2 of different thicknesses down to 1 monolayer employing K absorption edges of Si and Ge as well as M and L edges of the rare-earths. They access the magnetic state in REX2 and determine the seat of magnetism, orbital, and spin contributions to the magnetic moment. High-field measurements probe remnants of the bulk antiferromagnetism in 2D REX2. The results provide a new platform for studies of complex magnetic structures in 2D materials.

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Держатели документа:
Natl Res Ctr Kurchatov Inst, Kurchatov Sq 1, Moscow 123182, Russia.
ESRF European Synchrotron, CS 40220, F-38043 Grenoble 9, France.
ALBA Synchrotron Light Source, Barcelona 08290, Spain.
LOrme Merisiers, Synchrotron SOLEIL, F-91192 Gyf Sur Yvette, France.
RAS, Kirensky Inst Phys, Fed Res Ctr KSC SB, Akad Gorodok 50,Bld 38, Krasnoyarsk 660036, Russia.

Доп.точки доступа:
Averyanov, D. V.; Sokolov, Ivan S.; Platunov, M. S.; Платунов, Михаил Сергеевич; Wilhelm, Fabrice; Rogalev, Andrei; Gargiani, Pierluigi; Valvidares, Manuel; Jaouen, Nicolas; Parfenov, Oleg E.; Taldenkov, Alexander N.; Karateev, Igor A.; Tokmachev, Andrey M.; Storchak, V. G.
}
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4.


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

   FILMS

   TRANSITION

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

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

Доп.точки доступа:
Ohtomo, M.; Yamauchi, Y.; Kuzubov, A. A.; Кузубов, Александр Александрович; Eliseeva, N. S.; Елисеева, Наталья Сергеевна; Avramov, P. V.; Аврамов, Павел Вениаминович; Entani, S.; Matsumoto, Y.; Naramoto, H.; Sakai, S.
}
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5.


   
    DFT investigation of the influence of ordered vacancies on elastic and magnetic properties of graphene and graphene-like SiC and BN structures / A. S. Fedorov [et al.] // Phys. Status Solidi B. - 2012. - Vol. 249, Is. 12. - P. 2549-2552, DOI 10.1002/pssb.201200105. - Cited References: 32. - The work was supported by The Ministry of education and science of Russia, project 14.B37.21.0163. The authors express their gratitude to the Joint Supercomputer Center, Russian Academy of Sciences, Moscow and the supercomputer center of the Moscow State University (SKIF-MGU) for the possibility of using their computer clusters to perform all calculations. . - ISSN 0370-1972
РУБ Physics, Condensed Matter
Рубрики:
WALLED CARBON NANOTUBES
   INITIO MOLECULAR-DYNAMICS

   AB-INITIO

   DEFECTS

   STATE

   MONOLAYER

   POINTS

Кл.слова (ненормированные):
boron nitride -- carbon silicide -- elastic properties -- graphene -- magnetic properties -- vacancies
Аннотация: Influence of ordered monovacancies on elastic properties of graphene is theoretically investigated by density functional theory (DFT) calculations. Inverse linear dependence of the graphene Young's modulus on the concentration of vacancies has been revealed and migration rate of the vacancies has been calculated as a function of applied strain. It is shown that the migration rate can be controlled by applying various strains or temperatures. The influence of ordered monovacancies on magnetic properties of graphene as well as graphene-like hexagonal carbon silicide (2D-SiC) and the boron nitride (h-BN) structures is investigated. It is established that the presence of vacancies in all systems yields the appearance of local magnetic moment. However, in 2D-SiC structure the magnetic moment occurs only in the case of a Si vacancy. Influence of the distance between vacancies on the ferromagnetic or anti-ferromagnetic ordering for all structures is established. (C) 2012 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim

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Держатели документа:
[Fedorov, A. S.
Popov, Z. I.
Fedorov, D. A.] RAS, Siberian Branch, Kirensky Inst Phys, Krasnoyarsk 660036, Russia
[Eliseeva, N. S.
Serjantova, M. V.
Kuzubov, A. A.] Siberian Fed Univ, Krasnoyarsk 660028, Russia

Доп.точки доступа:
Fedorov, A. S.; Федоров, Александр Семенович; Popov, Z. I.; Попов, Захар Иванович; Fedorov, D. A.; Федоров, Дмитрий Александрович; Eliseeva, N. S.; Serjantova, M. V.; Kuzubov, A. A.; Кузубов, Александр Александрович
}
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6.


   
    Electro-optical response of a monolayer polymer dispersed nematic liquid crystal film doped with surfactant / V. A. Loiko, A. V. Konkolovich, A. A. Misckevich [et al.] // Liquid crystal polymer nanocomposites / ed.: P. M. Visakh [et al.] : Elsevier, 2022. - Chap. 7. - P. 163-211. - (Woodhead publishing in materials), DOI https://doi.org/10.1016/B978-0-12-822128-0.00006-6. - References: 86 . - ISBN 978-0-12-822128-0
   Перевод заглавия: Электро-оптический отклик монослоя нематического жидкого кристалла, допированного сурфактантом, диспергированного в полимере
Аннотация: Light scattering and transmission by a monolayer polymer dispersed liquid crystal film containing liquid crystal droplets with inhomogeneous anchoring of liquid crystal molecules at the polymer-droplet interface is considered theoretically and experimentally. The developed optical model is based on the anomalous diffraction and interference approximations of the theory of scattering of waves. It is applied to describe the interference quenching effect for the coherently transmitted light and electrically controllable symmetry breaking effect in small-angle structure of light scattered by film containing droplets with inhomogeneous anchoring. The analysis of transmittance and reflectance of the one-dimensional photonic crystals composed of monolayers is carried out. The formation of the photonic band gaps is analyzed.

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Доп.точки доступа:
Visakh, P. M. \ed.\; Semkin, Artem \ed.\; Özdemir, Zeynep Güven \ed.\; Loiko, V. A.; Konkolovich, A. V.; Misckevich, A. A.; Мискевич А. А.; Krakhalev, M. N.; Крахалев, Михаил Николаевич; Prishchepa, O. O.; Прищепа, Оксана Олеговна; Shabanov, A. V.; Шабанов, Александр Васильевич; Zyryanov, V. Ya.; Зырянов, Виктор Яковлевич
}
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7.


   
    Electro-optical response of a monolayer polymer dispersed nematic liquid crystal film doped with surfactant / V. A. Loiko, A. V. Konkolovich, A. A. Miskevich [et al.] // Liquid Crystal Polymer Nanocomposites : Woodhead Publishing, 2022. - Chapter 7. - P. 163-211, DOI 10.1016/B978-0-12-822128-0.00006-6. - Cited References: 86
Кл.слова (ненормированные):
Polymer dispersed liquid crystal film -- Liquid crystal droplet -- Transmission -- Angular distribution of scattered light -- Quenching effect -- Symmetry breaking effect -- Photonic band gap
Аннотация: Light scattering and transmission by a monolayer polymer dispersed liquid crystal film containing liquid crystal droplets with inhomogeneous anchoring of liquid crystal molecules at the polymer-droplet interface is considered theoretically and experimentally. The developed optical model is based on the anomalous diffraction and interference approximations of the theory of scattering of waves. It is applied to describe the interference quenching effect for the coherently transmitted light and electrically controllable symmetry breaking effect in small-angle structure of light scattered by film containing droplets with inhomogeneous anchoring. The analysis of transmittance and reflectance of the one-dimensional photonic crystals composed of monolayers is carried out. The formation of the photonic band gaps is analyzed.

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Держатели документа:
Stepanov Institute of Physics, National Academy of Sciences of Belarus, Minsk, Belarus
Kirensky Institute of Physics, Federal Research Center-Krasnoyarsk Scientific Center, Siberian Branch, Russian Academy of Sciences, Krasnoyarsk, Russian Federation
Institute of Engineering Physics and Radio Electronics, Siberian Federal University, Krasnoyarsk, Russian Federation
Military Academy of the Republic of Belarus, Belarus

Доп.точки доступа:
Loiko, V. A.; Konkolovich, A. V.; Miskevich, A. A.; Krakhalev, M. N.; Крахалев, Михаил Николаевич; Prishchepa, O. O.; Прищепа, Оксана Олеговна; Shabanov, A. V.; Шабанов, Александр Васильевич; Zyryanov, V. Ya.; Зырянов, Виктор Яковлевич
}
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8.


   
    Electronic structure and minimal models for flat and corrugated CuO monolayers: An ab initio study / A. A. Slobodchikov, I. A. Nekrasov, L. V. Begunovich [et al.] // Materials. - 2023. - Vol. 16, Is. 2. - Ст. 658, DOI 10.3390/ma16020658. - Cited References: 24. - This research was in part funded by the Russian Science Foundation grant number 23-22-00372 . - ISSN 1996-1944
Кл.слова (ненормированные):
CuO monolayer -- band structure -- DFT -- minimal orbital model -- Wannier functions projections
Аннотация: CuO atomic thin monolayer (mlCuO) was synthesized recently. Interest in the mlCuO is based on its close relation to CuO2 layers in typical high temperature cuprate superconductors. Here, we present the calculation of the band structure, the density of states and the Fermi surface of the flat mlCuO as well as the corrugated mlCuO within the density functional theory (DFT) in the generalized gradient approximation (GGA). In the flat mlCuO, the Cu-3dx2−y2 band crosses the Fermi level, while the Cu-3dxz,yz hybridized band is located just below it. The corrugation leads to a significant shift of the Cu-3dxz,yz hybridized band down in energy and a degeneracy lifting for the Cu-3dx2−y2 bands. Corrugated mlCuO is more energetically favorable than the flat one. In addition, we compared the electronic structure of the considered CuO monolayers with bulk CuO systems. We also investigated the influence of a crystal lattice strain (which might occur on some interfaces) on the electronic structure of both mlCuO and determined the critical strains of topological Lifshitz transitions. Finally, we proposed a number of different minimal models for the flat and the corrugated mlCuO using projections onto different Wannier functions basis sets and obtained the corresponding Hamiltonian matrix elements in a real space.

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Держатели документа:
Institute of Electrophysics, Russian Academy of Sciences, Ural Branch, 620016 Yekaterinburg, Russia
Federal Research Center KSC SB RAS, Akademgorodok, 660036 Krasnoyarsk, Russia
Kirensky Institute of Physics, Federal Research Center KSC SB RAS, Akademgorodok, 660036 Krasnoyarsk, Russia

Доп.точки доступа:
Slobodchikov, Anatoly A.; Nekrasov, Igor A.; Begunovich, L. V.; Бегунович, Людмила Витальевна; Makarov, I. A.; Макаров, Илья Анатольевич; Korshunov, M. M.; Коршунов, Максим Михайлович; Ovchinnikov, S. G.; Овчинников, Сергей Геннадьевич
}
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9.


   
    Experimental results and theoretical model to describe angular dependence of light scattering by monolayer of nematic droplets / V. A. Loiko [et al.] // J. Quant. Spectrosc. Radiat. Transf. - 2016. - Vol. 178: Electromagnetic and light scattering by nonspherical particles XV: Celebrating 150 years of Maxwell's electromagnetics. - P. 263-268, DOI 10.1016/j.jqsrt.2015.10.024. - Cited References:25 . - ISSN 0022-4073. - ISSN 1879-1352
   Перевод заглавия: Экспериментальные результаты и теоретическая модель, описывающая угловую зависимость рассеяния света монослоем капель нематика
РУБ Optics + Spectroscopy
Рубрики:
Dispersed liquid-crystals
   Inhomogeneous boundary-conditions

   Films

   Transmittance

   Radiation

Кл.слова (ненормированные):
Polymer-dispersed liquid crystal film -- Liquid crystal droplet -- Director -- configuration -- Light scattering -- Monolayer of droplets
Аннотация: Light scattering by a monolayer of bipolar nematic droplets encapsulated in polymer film is examined both experimentally and theoretically. A method for the simulation of the angular distribution of scattered light is based on the anomalous diffraction and interference approximations taking into account the director configuration within liquid crystal droplets and their bipolar axes orientation. The director configuration in nematic droplets is calculated using the relaxation method of the free energy minimization. The characteristics of the sample, including distribution of droplet sizes and shape anisometry, are measured in details. The experimental results and theoretical data agree closely with each other. (C) 2015 Elsevier Ltd. All rights reserved.

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Доп.точки доступа:
Loiko, V. A.; Krakhalev, M. N.; Крахалев, Михаил Николаевич; Konkolovich, A. V.; Prishchepa, O. O.; Прищепа, Оксана Олеговна; Miskevich, A. A.; Zyryanov, V. Ya.; Зырянов, Виктор Яковлевич; Conference on Electromagnetic and Light Scattering(15 ; June 21-26, 2015 ; Leipzig, Germany)
}
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10.


   
    Interference quenching of light transmitted through a monolayer film of polymer-dispersed nematic liquid crystal / A. V. Konkolovich [et al.] // JETP Letters. - 2000. - Vol. 71, Is. 12. - P. 486-488. - Cited References: 8 . - ISSN 0021-3640
РУБ Physics, Multidisciplinary

Аннотация: A theoretical study of light transmission through a polymer with a monolayer ensemble of bipolar nematic droplets under applied electric film is performed. The possibility of interference quenching of monochromatic coherent light directly transmitted through the film is predicted theoretically and realized in the experiment. (C) 2000 MAIK "Nauka/Interperiodica".

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Держатели документа:
Belarussian Acad Sci, BI Stepanov Phys Inst, Minsk 220072, Byelarus
Russian Acad Sci, Inst Phys, Siberian Div, Krasnoyarsk 660036, Russia
ИФ СО РАН
Stepanov Institute of Physics, Belarussian Academy of Sciences, Minsk, 220072, Belarus
Institute of Physics, Siberian Division, Russian Academy of Sciences, Krasnoyarsk, 660036, Russian Federation

Доп.точки доступа:
Konkolovich, A. V.; Presnyakov, V. V.; Zyryanov, V. Y.; Зырянов, Виктор Яковлевич; Loiko, V. A.; Shabanov, V. F.; Шабанов, Василий Филиппович
}
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