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Electronic and atomic structures of the isomers of endohedral and exohedral fullerene complexes with two lithium atoms / A. A. Kuzubov [et al.] // Phys. Solid State. - 2001. - Vol. 43, Is. 9. - P. 1794-1799, DOI 10.1134/1.1402242. - Cited References: 21 . - ISSN 1063-7834

РУБ Physics, Condensed Matter
Рубрики:
VIBRATION-ROTATION BANDS
   INFRARED ROTATION
   C-60
   BUCKMINSTERFULLERENE
   ION
Аннотация: The electronic structures of all the possible isomers of endohedral and exohedral C(60) fullerene complexes with two lithium atoms are theoretically investigated. It is found that the electronic structures of these compounds are characterized by an impurity filled-level state determining the band gap. The location of the impurity state and, correspondingly, the band gap of the exohedral fullerene complexes depend on the coordination mode and the distance between the alkali metal ions. A similar dependence is observed for the total energy of the exohedral fullerene complex under investigation. (C) 2001 MAIK "Nauka/ Interperiodica".

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Держатели документа:
Krasnoyarsk State Tech Univ, Krasnoyarsk, Russia
Russian Acad Sci, LV Kirensky Phys Inst, Siberian Div, Krasnoyarsk 660036, Russia
Russian Acad Sci, Inst Chem & Chem Technol, Siberian Div, Krasnoyarsk 660036, Russia
ИФ СО РАН
ИХХТ СО РАН

Доп.точки доступа:
Kuzubov, A. A.; Кузубов, Александр Александрович; Avramov, P. V.; Аврамов, Павел Вениаминович; Ovchinnikov, S. G.; Овчинников, Сергей Геннадьевич; Varganov, S. A.; Tomilin, F. N.; Томилин, Феликс Николаевич
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Influence of buffer gas and vibration temperature of carbon clusters on fullerene formation in a carbon plasma / A. S. Fedorov [et al.] // Journal of Nanoscience and Nanotechnology. - 2007. - Т. 7, № 4-5. - С. 1315-1320, DOI 10.1166/jnn.2007.309ID 17450893 . - ISSN 1533-4880. - ISSN 1533-4899

ГРНТИ

РИНЦ
Держатели документа:
L V. Kirensky Institute of Physics SB RAS
Universidad Autonoma De Ciudad Juarez
Доп.точки доступа:
Novikov, P.V.; Churilov, G. N.; Чурилов Григорий Николаевич; Martinez, Yu. S.
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Aplesnin, S. S.
Influence of spin-phonon coupling on the magnetic moment in 2D spin-1/2 antiferromagnet / S. S. Aplesnin // Phys. Lett. A. - 2003. - Vol. 313, Is. 1-2. - P. 122-125, DOI 10.1016/S0375-9601(03)00689-3. - Cited References: 17 . - ISSN 0375-9601

РУБ Physics, Multidisciplinary
Рубрики:
SQUARE LATTICE
EU2CUO4
MODEL
Кл.слова (ненормированные):
2D Heisenberg model -- spin-phonon interactions -- 2D Heisenberg model -- Spin-phonon interactions -- ferromagnetic material -- anisotropy -- article -- liquid -- magnetism -- mathematical model -- Monte Carlo method -- quantum theory -- thermal conductivity -- vibration
Аннотация: The ground state of two-dimensional Heisenberg spin-1/2 antiferromagnet (AF) with the spin-phonon coupling is studied by the quantum Monte Carlo method. The magnetic moment per site, mean-square vibration of ion, phase diagram of AF long range order-quantum spin. liquid are simulated. The spin-phonon coupling is estimated for R2CuO4, R = Gd, Eu. (C) 2003 Elsevier Science B.V. All rights reserved.

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Держатели документа:
LV Kirenskii Inst Phys, Russian Acad Sci, Siberian Branch, Krasnoyarsk 660036, Russia
ИФ СО РАН
L. V. Kirenskii Institute of Physics, Siberian Br. of Russ. Acad. of Sci., Krasnoyarsk 660036, Russian Federation

Доп.точки доступа:
Аплеснин, Сергей Степанович
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    Intrinsic isotropic near-zero thermal expansion in Zn4B6O12X (X = O, S, Se) / Y. Q. Liu, D. J. Mei, N. Z. Wang [et al.] // ACS Appl. Mater. Interfaces. - 2020. - Vol. 12, Is. 34. - P. 38435-38440, DOI 10.1021/acsami.0c12351. - Cited References: 43. - This work was supported by the National Scientific Foundations of China (Grants 51872297, 51702330, 11974360, 51972208, 51890864, and 51802321), Russian Foundation for Basic Research (Grant 17-52-53031), and Fujian Institute of Innovation (FJCXY18010201) in CAS. X.J. acknowledges the support from the Youth Innovation Promotion Association in CAS (Grant 2017035) and Youth Talent Promotion Project from China Association for Science and Technology . - ISSN 1944-8244. - ISSN 1944-8252
   Перевод заглавия: Близкое к нулю изотропное тепловое расширение в Zn4B6O12X (X = O, S, Se)

РУБ Nanoscience & Nanotechnology + Materials Science, Multidisciplinary
Рубрики:
CRYSTAL
Кл.слова (ненормированные):
intrinsic isotropic zero thermal expansion -- phonon mode -- first-principals vibration analysis -- borate -- sodalite cage structure
Аннотация: Zero thermal expansion (ZTE) materials, keeping size constant as temperature varies, are valuable for resisting the deterioration of the performance from environmental temperature fluctuation, but they are rarely discovered due to the counterintuitive temperature-size effect. Herein, we demonstrate that a family of borates with sodalite cage structure, Zn4B6O12X (X = O, S, Se), exhibits intrinsic isotropic near-ZTE behaviors from 5 to 300 K. The very low thermal expansion is mainly owing to the coupling rotation of [BO4] rigid groups constrained by the bonds between Zn and cage-edged O atoms, while the central atoms in the cage have a negligible contribution. Our study has significant implications on the understanding of the ZTE mechanism and exploration of new ZTE materials.

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Держатели документа:
Chinese Acad Sci, Tech Inst Phys & Chem, Beijing 100190, Peoples R China.
Univ Chinese Acad Sci, Beijing 100049, Peoples R China.
Shanghai Univ Engn Sci, Coll Chem & Chem Engn, Shanghai 201620, Peoples R China.
Fed Res Ctr KSC SB RAS, Lab Crystal Phys, Kirensky Inst Phys, Krasnoyarsk 660036, Russia.
Far Eastern State Transport Univ, Dept Phys, Khabarovsk 680021, Russia.
Siberian Fed Univ, Krasnoyarsk 660041, Russia.

Доп.точки доступа:
Liu, Youquan; Mei, Dajiang; Wang, Naizheng; Molokeev, M. S.; Молокеев, Максим Сергеевич; Jiang, Xingxing; Lin, Zheshuai
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Zhandun, V. S.
Lattice dynamics, ferroelectric and antiferroeelctric instabilities, and the ferroelectric phase transition in disordered PbB(1/2)' B(1/2)'' O(3) (B ' = Ga, In, Lu; B '' = Nb, Ta) solid solutions / V. S. Zhandun, N. G. Zamkova, V. I. Zinenko // J. Exp. Theor. Phys. - 2008. - Vol. 106, Is. 6. - P. 1109-1117, DOI 10.1134/S1063776108060101. - Cited References: 29 . - ISSN 1063-7761

РУБ Physics, Multidisciplinary
Рубрики:
STATISTICAL-MECHANICS
   PEROVSKITES
   CRYSTALS
   ORDER
   RELAXOR
   BATIO3
   PBTIO3
Кл.слова (ненормированные):
Crystal lattices -- Ferroelectricity -- Lattice vibrations -- Solids -- Ferroelectric (barium strontium titanate) -- Ferroelectric phase transitions -- Lattice (CO) -- Lattice dynamics -- Vibration spectrum -- Ferroelectric materials
Аннотация: The lattice vibration spectra, rf permittivity, and dynamic Born charges of disordered PbB(1/2)'B(1/2)'' O(3) (B' = Ga, In, Lu; B '' = Nb, Ta) solid solutions are calculated in terms of the generalized Gordon-Kim model. All the compounds are found to have soft modes related to the center (Gamma(15)) and boundary point R (R(15)) of the Brillouin zone; the frequencies of these modes are close. The ferroelectric phase transition temperatures and the spontaneous polarization in the ferroelectric phase are calculated for the solid solutions using a model Hamiltonian in the local mode approximation and the Monte Carlo method. These temperatures for the tantalum compounds are found to be higher than for the niobium compounds, and temperature t(s) increases with the atomic number of ion B'. A model where the antiferroelectric state is related to the condensation of modes Gamma(15) and R(15) is proposed. It is found that, for all compounds except for PbSc(1/2)Nb(1/2)O(3) and PbSc(1/2)Ta(1/2)O(3), the ferroelectric phase, which is only related to the condensation of mode R(15), and the antiferroelectric phase have similar energies. In PbIn(1/2)Ta(1/2)O(3), the antiferroelectric phase turns out to be energetically favorable.

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Держатели документа:
[Zhandun, V. S.
Zamkova, N. G.
Zinenko, V. I.] Russian Acad Sci, LV Kirensky Phys Inst, Siberian Branch, Krasnoyarsk 660036, Russia
ИФ СО РАН
Kirensky Institute of Physics, Siberian Branch, Russian Academy of Sciences, Krasnoyarsk 660036, Russian Federation

Доп.точки доступа:
Zamkova, N. G.; Замкова, Наталья Геннадьевна; Zinenko, V. I.; Зиненко, Виктор Иванович; Жандун, Вячеслав Сергеевич
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Particularities of the magnetic state of CuO nanoparticles produced by low-pressure plasma arc discharge / A. A. Lepeshev [et al.] // J. Supercond. Nov. Magn. - 2017. - Vol. 30, Is. 4. - P. 931-936, DOI 10.1007/s10948-016-3885-4. - Cited References:38. - The work was performed with a support of the grant of the Russian Science Foundation (project no. 16-19-10054) . - ISSN 1557-1939. - ISSN 1557-1947

РУБ Physics, Applied + Physics, Condensed Matter
Рубрики:
IRON-OXIDE NANOPARTICLES
PLASMACHEMICAL SYNTHESIS
POROUS-GLASS
Кл.слова (ненормированные):
CuO nanoparticles -- Plasmachemical synthesis -- Magnetic properties -- Vibration magnetometer
Аннотация: Copper oxide nanoparticles were produced by direct plasmachemical synthesis in a plasma arc discharge of low pressure. The formation of CuO nanoparticles with an average size of 12 nm and narrow size distribution intervals was determined by using the x-ray diffraction analysis and TEM microscopy methods. It was defined by using a vibration magnetometer and a SQUID magnetometer, that the magnetic properties of CuO nanoparticles with such size were extremely different from the magnetic properties of bulk antiferromagnetic CuO. Structural defects caused the formation of a ferromagnetic state, remaining at least up to the room temperature. The temperature of corresponding antiferromagnetic ordering was significantly decreased (down to ∼ 100 K). Meanwhile, some of the copper surface spins showed a spin-glass behavior at low temperatures.

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Держатели документа:
Russian Acad Sci, Krasnoyarsk Sci Ctr, Siberian Branch, Krasnoyarsk, Russia.
Siberian Fed Univ, Krasnoyarsk 660074, Russia.
LV Kirenskii Inst Phys, Krasnoyarsk 660036, Russia.

Доп.точки доступа:
Lepeshev, A. A.; Karpov, I. V.; Ushakov, A. V.; Balaev, D. A.; Балаев, Дмитрий Александрович; Krasikov, A. A.; Красиков, Александр Александрович; Dubrovskiy, A. A.; Дубровский, Андрей Александрович; Velikanov, D. A.; Великанов, Дмитрий Анатольевич; Petrov, M. I.; Петров, Михаил Иванович; Russian Science Foundation [16-19-10054]
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Photon phonon interaction influence on the external vibration-spectra of molecular-crystals / A. N. Botvich [et al.] // Phys. Status Solidi B. - 1986. - Vol. 134, Is. 2. - P. 515-522, DOI 10.1002/pssb.2221340209. - Cited References: 13 . - ISSN 0370-1972

РУБ Physics, Condensed Matter

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Scopus
Держатели документа:
Acad of Sciences of the USSR, Krasnoyarsk, USSR, Acad of Sciences of the USSR, Krasnoyarsk, USSR
КНЦ СО РАН
Доп.точки доступа:
Botvich, A. N.; Shabanov, V. F.; Шабанов, Василий Филиппович; Vtyurin, A. N.; Втюрин, Александр Николаевич; Pozdnyakova, T. A.
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Sobol, A. A.
Raman spectroscopy of crystalline, glassy, and molten states of lead diborate / A. A. Sobol, V. E. Shukshin, A. I. Zaitsev // Opt. Spectrosc. - 2016. - Vol. 121, Is. 6. - P. 810-818, DOI 10.1134/S0030400X16120249. - Cited References: 30. - This work was performed with financial support from RFBR, research project no. 13-02-00707. . - ISSN 0030-400X
Кл.слова (ненормированные):
Boron -- Crystalline materials -- Raman scattering -- Single crystals -- Internal vibration -- Molten state -- Oxygen complexes -- Phonon lines -- Polarized Raman spectra -- Glass
Аннотация: Polarized Raman spectra of single crystals of lead diborate, PbB4O7 (PBO), are studied in detail at 300 K. The TO-, LO-, and IO-phonon lines of the A1, A2, B1, and B2 symmetries in the Raman spectra of this compound are assigned. Changes in the Raman spectra of the internal vibrations of boron–oxygen complexes upon transition from the crystalline to the glassy and the molten states of PBO are observed. On the basis of the obtained results, the regularities in the formation of boron–oxygen complexes in glasses, melts, and crystals of the PbO · 2B2O3, SrO · 2B2O3, and Li2O · 2B2O3. diborate compositions are analyzed. © 2016, Pleiades Publishing, Ltd.

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Публикация на русском языке Соболь А. А. Спектроскопия комбинационного рассеяния света в кристаллическом, стеклообразном и расплавленном состояниях дибората свинца [Текст] / А. А. Соболь, В. Е. Шукшин, А. И. Зайцев // Оптика и спектроскопия : Наука, 2016. - Т. 121 № 6. - С. 871–880

Держатели документа:
Prokhorov General Physics Institute, Russian Academy of Sciences, Moscow, Russian Federation
Kirensky Institute of Physics, Siberian Branch of Russian Academy of Sciences, Krasnoyarsk, Russian Federation

Доп.точки доступа:
Shukshin, V. E.; Zaitsev, A. I.; Зайцев, Александр Иванович
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Relative Isomer Abundance of Fullerenes and Carbon Nanotubes Correlates with Kinetic Stability / A. S. Fedorov [et al.] // Phys. Rev. Lett. - 2011. - Vol. 107, Is. 17. - Ст. 175506, DOI 10.1103/PhysRevLett.107.175506. - Cited References: 29. - S. I, P. V. A, and A. S. F gratefully acknowledge generous hospitality during their visits to Krasnoyarsk (S. I) and Fukui Institute for Fundamental Chemistry in Kyoto and Nagoya University (P. V. A and A. S. F) under support of the joint JSPS-RFBR travel grant 09-02-92107. This work was partially supported by National Science Council (grants NSC96-2113-M009-022-MY3 and NSC96-2113-M009-011-MY3) and Ministry of Education of Taiwan (MOE-ATU project), as well as by the JAEA Research fellowship (P. V. A). We thank the Institute of Computer Modeling (Siberian Division of RAS) and the Joint Supercomputer Center RAS for opportunity to use cluster computers for performing all calculations. . - ISSN 0031-9007

РУБ Physics, Multidisciplinary
Рубрики:
CHEMICAL MOLECULAR-DYNAMICS
   C-60
   BUCKMINSTERFULLERENE
   MECHANISM
   ROAD
Кл.слова (ненормированные):
Carbon Nanostructures -- Kinetic factors -- Kinetic stability -- Thermal vibration -- Carbon nanotubes -- Fullerenes -- Isomers -- Kinetics
Аннотация: A methodology to evaluate the kinetic stability of carbon nanostructures is presented based on the assumption of the independent and random nature of thermal vibrations. The kinetic stability is directly correlated to the cleavage probability for the weakest bond of a given nanostructure. The application of the presented method to fullerenes and carbon nanotubes yields clear correlation to their experimentally observed relative isomer abundances. The general and simple formulation of the method ensures its applicability to other nanostructures for which formation is controlled by kinetic factors.

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Держатели документа:
[Fedorov, A. S.
Fedorov, D. A.] LV Kirenskii Inst Phys, Krasnoyarsk 660036, Russia
[Kuzubov, A. A.
Avramov, P. V.] Siberian Fed Univ, Krasnoyarsk 660041, Russia
[Avramov, P. V.] Japan Atom Energy Agcy, Adv Sci Res Ctr, Tokai, Ibaraki 3191195, Japan
[Nishimura, Y.
Irle, S.] Inst Adv Res, Chikusa Ku, Nagoya, Aichi 4648602, Japan
[Nishimura, Y.
Irle, S.] Dept Chem, Chikusa Ku, Nagoya, Aichi 4648602, Japan
[Witek, Henryk A.] Natl Chiao Tung Univ, Dept Appl Chem, Hsinchu 30010, Taiwan
[Witek, Henryk A.] Natl Chiao Tung Univ, Inst Mol Sci, Hsinchu 30010, Taiwan
ИФ СО РАН
Kirensky Institute of Physics, Akademgorodok 50, Krasnoyarsk, 660036, Russian Federation
Siberian Federal University, av. Svobodny 79, Krasnoyarsk, 660041, Russian Federation
Advanced Science Research Center, Japan Atomic Energy Agency, 2-4 Shirakata Shirane, Tokai-mura, Naka-gun, Ibaraki-ken 319-1195, Japan
Institute for Advanced Research, Department of Chemistry, Furo-cho, Chikusa-ku, Nagoya 464-8602, Japan
Department of Applied Chemistry, Institute of Molecular Science, National Chiao Tung University, Hsinchu 30010, Taiwan

Доп.точки доступа:
Fedorov, A. S.; Федоров, Александр Семенович; Fedorov, D. A.; Федоров, Дмитрий Александрович; Kuzubov, A. A.; Кузубов, Александр Александрович; Avramov, P. V.; Аврамов, Павел Вениаминович; Nishimura, Y.; Irle, S.; Witek, H. A.
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10.

Temperature and vibration OTDR measurements with a single mode-multimode-single mode fiber structure / A. Y. Igumenov, I. V. Melnikov, A. A. Afanasiev [et al.] // Proc. SPIE. - 2023. - Vol. 12372: Optical Fibers and Sensors for Medical Diagnostics, Treatment and Environmental Applications XXIII 2023 (28 - 30 January 2023, San Francisco, California, United States) Conference code: 187531. - Ст. 123720P, DOI 10.1117/12.2646114. - Cited References: 31
Кл.слова (ненормированные):
fiber optics -- fiber sensors -- reflectometry of optical fibers -- multimode interference
Аннотация: We suggest a prototype of a fiber-optic sensor system that is based on a simple singlemode-multimode-singlemode fiber structure and serial OTDR. The sensor has simple structure, made of affordable components, exploits easy measuring principle, immunes to EMI or RFI, and has confident response to measure key environment variables at a very long span. From the experimental results, the relationship between the temperature of water and output signal of the temperature sensor can be determined. After some maths, we can determine the temperature of the water by measuring the optical power loss of the at the SMS structure in a temperature range of 30 to 70 °C. This SMS structure is shown to carry out vibration measurement for 0.1-60 Hz frequencies with high accuracy. The OTDR exploited allows carrying out far-field measurements when SMS structure is spliced in long fiber-optic link.

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Держатели документа:
Moscow Institute of Physics and Technology, 9 Institutsky, Dolgoprudny, 141701, Russian Federation
T8 LLC, 44/1 Krasnobogatyrskaya, Moscow, 107076, Russian Federation
M. V. Lomonosov Moscow State University, 1 Leninskie Gory, Moscow, 119991, Russian Federation
L. V. Kirensky Institute of Physics SB RAS, 50/38 Akademgorodok, Krasnoyarsk, 660036, Russian Federation
LLC 'Scientific and Production Company 'Spetstechnauka', 67 Chernyshevsky, Krasnoyarsk, 660000, Russian Federation

Доп.точки доступа:
Igumenov, A. Y.; Melnikov, I. V.; Afanasiev, A. A.; Popova, S. S.; Lukinykh, S. N.; Tambasov, I. A.; Тамбасов, Игорь Анатольевич; Optical Fibers and Sensors for Medical Diagnostics, Treatment and Environmental Applications(23 ; 28 - 30 January 2023 ; San Francisco, California, United States)
}
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