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Труды сотрудников ИФ СО РАН

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Processing of detonation diamonds with metal-containing high-frequency arc plasma and their properties / G. N. Churilov [et al.] // Fuller. Nanotub. Carbon Nanostruct. - 2012. - Vol. 20, Is. 4/7 SI. - P. 611-615, DOI 10.1080/1536383X.2012.657014. - Cited References: 5. - The work was partially supported by RFBR foundation (project 09-03-00383). . - ISSN 1536-383X

РУБ Chemistry, Physical + Nanoscience & Nanotechnology + Materials Science, Multidisciplinary + Physics, Atomic, Molecular & Chemical

Кл.слова (ненормированные):
Nanodiamond -- nanoparticle -- metal-containing plasma
Аннотация: This paper describes coating of diamond powder with metal by plasma. Arc plasma was generated in double jet high-frequency argon-operated plasmatron with atomized metal inserts. The diamond powder was added to the plasma in a flow of helium. Copper and nickel coated particles of detonation and industrial diamonds were studied by XRD, XPS, SEM methods and electron magnetic resonance. Results of these studies are presented.

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Держатели документа:
[Churilov, G. N.
Osipova, I. V.
Vnukova, N. G.
Glushenko, G. A.
Petrakovskaya, E. A.] Russian Acad Sci, LV Kirensky Phys Inst, Siberian Branch, Krasnoyarsk 660036, Russia
[Kolonenko, A. L.
Chiganov, A. S.] Krasnoyarsk State Pedag Univ, Krasnoyarsk, Russia
[Tomashevich, Ye. V.
Zhizhaev, A. M.] Russian Acad Sci, Siberian Branch, Inst Chem & Chem Technol, Krasnoyarsk 660036, Russia

Доп.точки доступа:
Churilov, G. N.; Чурилов, Григорий Николаевич; Osipova, I. V.; Осипова, Ирина Владимировна; Vnukova, N. G.; Внукова, Наталья Григорьевна; Glushchenko, G. A.; Глущенко, Гарий Анатольевич; Petrakovskaya, E. A.; Петраковская, Элеонора Анатольевна; Kolonenko, A. L.; Колоненко, Андрей Леонидович; Chiganov, A. S.; Tomashevich, Y. V.; Томашевич, Евгений Владимирович; Zhyzhaev, A. M.; Жижаев, Анатолий Михайлович
}
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Experimental study of the structure of milled diamond-containing particles obtained by the detonation method / A. Korets [et al.] // EPJ Appl. Phys. - 2012. - Vol. 57, Is. 3. - Ст. 30701, DOI 10.1051/epjap/2012110208. - Cited References: 15 . - ISSN 1286-0042

РУБ Physics, Applied
Рубрики:
PURIFICATION
NANODIAMOND
Кл.слова (ненормированные):
Chemical change -- Diamond grains -- Experimental spectra -- Experimental studies -- IR spectrum -- Mechanical force -- Detonation -- Diamonds -- X ray diffraction -- Agglomeration
Аннотация: A diamond-containing material (DCM) produced by detonation was mechanically milled using KM-1 and AGO-2S mills. Experimental spectra for infrared (IR) absorption, Raman scattering and X-ray diffraction patterns (XRD) were obtained for the treated DCM samples. We compared the Raman and IR spectra for the KM-1 milled samples and concluded that the surface of the DCM particles was not uniform. The mechanical force that resulted from milling with the AGO-2S destroyed the non-diamond part of the particles and initiated irreversible physical and chemical changes in them. The destruction of the diamond grains was the consequence of these irreversible changes. It follows from the experiments that the dipole momentum of the DCM particle was caused by the presence of polar fragments of molecules. The constant dipole momentum of the particles facilitated the aggregation. Based on this, we proposed a model of a structurally inhomogeneous DCM particle. В© 2012 EDP Sciences.

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Держатели документа:
Siberian Federal University, 26, Kirensky Str., Krasnoyarsk 660074, Russian Federation
Institute of Physics, Akademgorodok, Krasnoyarsk 660036, Russian Federation
Institute of Chemistry and Chemical Technology, KSC SB RAS, Krasnoyarsk, Russian Federation

Доп.точки доступа:
Korets, A.; Krylov, A. S.; Крылов, Александр Сергеевич; Mironov, E.; Rabchevskii, E.
}
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Korets, A.
Structural heterogeneity of diamond-containing detonation material / A. . Korets, A. . Krylov, E. . Mironov // Eur. Phys. J. - Appl. Phys. - 2010. - Vol. 52, Is. 1. - P. 10901-10905, DOI 10.1051/epjap/2010126. - Cited References: 17 . - ISSN 1286-0042

РУБ Physics, Applied
Рубрики:
NANODIAMONDS
Кл.слова (ненормированные):
Influence of density -- Raman and infrared spectra -- Structural heterogeneity -- Variable ratio -- Detonation -- Diamonds -- Diffraction -- Holographic interferometry -- Spectroscopy -- X ray diffraction -- Synthetic diamonds
Аннотация: Diamond-containing material (DCM) synthesized by detonation was separated into fractions. Raman and infrared spectra and X-ray diffraction patterns of the individual fractions were measured. The particles of this material were characterized by the variable ratio of the diamond (sp(3)) and non-diamond components. The distribution of sp(3)-grains in the particles was of complicated character. The fine DCM particles contained an insignificant amount of diamond. The influence of density fluctuations on the DCM formation is discussed.

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Держатели документа:
[Korets, A.] Siberian Fed Univ, Krasnoyarsk 660074, Russia
[Krylov, A.] SB RAS, Inst Phys, Krasnoyarsk 660036, Russia
[Mironov, E.] Filial Irkutsk State Univ Railway Engn, Krasnoyarsk Inst Railway Transport, Krasnoyarsk 660028, Russia
ИФ СО РАН
Siberian Federal University, 26 Kirensky str., 660074 Krasnoyarsk, Russian Federation
Institute of Physics, SB RAS, 660036 Krasnoyarsk, Russian Federation
Krasnoyarsk Institute of Railway Transport, Filial of Irkutsk State University of Railway Engineering, 89, L. Ketskhoveli str., 660028 Krasnoyarsk, Russian Federation

Доп.точки доступа:
Krylov, A. S.; Крылов, Александр Сергеевич; Mironov, E.
}
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High-pressure magnetic properties and P-T phase diagram of iron borate / A. G. Gavriliuk [et al.] // J. Exp. Theor. Phys. - 2005. - Vol. 100, Is. 4. - P. 688-696, DOI 10.1134/1.1926429. - Cited References: 24 . - ISSN 1063-7761

РУБ Physics, Multidisciplinary
Рубрики:
FEBO3 SINGLE-CRYSTALS
   NUCLEAR-RESONANCE
   BAND-STRUCTURE
   TRANSITION
   TEMPERATURE
   SCATTERING
Кл.слова (ненормированные):
Antiferromagnetic materials -- Diamonds -- Ferromagnetic materials -- High pressure effects -- Low temperature effects -- Magnetic moments -- Magnetic properties -- Magnetization -- Phase diagrams -- Powders -- Single crystals -- Synchrotron radiation -- Diamond anvil cells -- Electronic transition -- Iron borate -- Nuclear forward scattering (NFS) -- Iron compounds
Аннотация: The high-pressure magnetic states of iron borate (FeBO3)-Fe-57 single-crystal and powder samples have been investigated in diamond anvil cells by nuclear forward scattering (NFS) of synchrotron radiation at different temperatures. In the low-pressure (0 < P < 46 GPa) antiferromagnetic phase, an increase of the Neel temperature from 350 to 595 K induced by pressure was found. At pressures 46-49 GPa, a transition from the antiferromagnetic to a new magnetic state with a weak magnetic moment (magnetic collapse) was discovered. It is attributed to the electronic transition in Fe3+ ions from the high-spin 3d(5) (S = 5/2, (6)A(1g)) to the low-spin (S = 1/2, T-2(2g)) state (spin crossover) due to the insulator-semiconductor-type transition with extensive suppression of strong d-d electron correlations. At low temperatures, NFS spectra of the high-pressure phase indicate magnetic correlations in the low-spin system with a magnetic ordering temperature of about 50 K. A tentative magnetic P-T phase diagram of FeBO3 is proposed. An important feature of this diagram is the presence of two triple points where magnetic and paramagnetic phases of the high-spin and low-spin states coexist. © 2005 Pleiades Publishing, Inc.

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Держатели документа:
Inst High Pressure Phys, Troitsk 142190, Moscow Oblast, Russia
Russian Acad Sci, Inst Crystallog, Moscow 119333, Russia
Russian Acad Sci, Siberian Div, Kirensky Inst Phys, Krasnoyarsk 660036, Russia
ИФ СО РАН
Institute for High-Pressure Physics, Troitsk, Moscow oblast, 142190, Russian Federation
Institute of Crystallography, Russian Academy of Sciences, Moscow, 119333, Russian Federation
Kirensky Institute of Physics, Siberian Division, Russian Academy of Sciences, Krasnoyarsk, 660036, Russian Federation

Доп.точки доступа:
Gavriliuk, A. G.; Trojan, I. A.; Lyubutin, I. S.; Ovchinnikov, S. G.; Овчинников, Сергей Геннадьевич; Sarkissian, V. A.
}
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Unique Nanomechanical Properties of Diamond-Lonsdaleite Biphases: Combined Experimental and Theoretical Consideration of Popigai Impact Diamonds / W. Baek [et al.] // Nano Lett. - 2019. - Vol. 19, Is. 3. - P. 1570-1576, DOI 10.1021/acs.nanolett.8b04421. - Cited References: 38. - The authors thank Dr. Valentin Afanasiev (Sobolev Institute of Geology and Mineralogy, Novosibirsk, Russia) for giving us access to a representative set of impact diamonds from Popigai astrobleme. The authors also acknowledge ID-15B beamline at the European Synchrotron Radiation Facility (ESRF) for providing measurement times and technical support. Dr. Valerio Cerantola (ESRF) is thanked for his kind support with the laser-heating setup. W.B., A.V.K., and P.V.A. acknowledge the National Research Foundation of Republic of Korea for support under grant no. NRF-2017R1A2B4001410. . - ISSN 1530-6984. - ISSN 1530-6992

РУБ Chemistry, Multidisciplinary + Chemistry, Physical + Nanoscience & Nanotechnology + Materials Science, Multidisciplinary + Physics, Applied + Physics, Condensed Matter
Рубрики:
CARBON
   PRESSURES
   GRAPHITE
   HARDNESS
   ORIGIN
Кл.слова (ненормированные):
Impact diamonds -- lonsdaleite -- compressibility -- high-pressure -- diamond/lonsdailete biphases
Аннотация: For the first time, lonsdaleite-rich impact diamonds from one of the largest Popigai impact crater (Northern Siberia) with a high concentration of structural defects are investigated under hydrostatic compression up to 25 GPa. It is found that, depending on the nature of a sample, the bulk modulus for lonsdaleite experimentally obtained by X-ray diffraction in diamond-anvil cells is systematically lower and equal to 93.3–100.5% of the average values of the bulk moduli of a diamond matrix. Density functional theory calculations reveal possible coexistence of a number of diamond/lonsdaleite and twin diamond biphases. Among the different mutual configurations, separate inclusions of one lonsdaleite (001) plane per four diamond (111) demonstrate the lowest energy per carbon atom, suggesting a favorable formation of single-layer lonsdaleite (001) fragments inserted in the diamond matrix. Calculated formation energies and experimental diamond (311) and lonsdaleite (331) powder X-ray diffraction patterns indicate that all biphases could be formed under high-temperature, high-pressure conditions. Following the equation of states, the bulk modulus of the diamond (111)/lonsdaleite (001) biphase is the largest one among all bulk moduli, including pristine diamond and lonsdaleite.

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Держатели документа:
Kyungpook Natl Univ, Dept Chem, 80 Daehak Ro, Daegu 41566, South Korea.
Kyungpook Natl Univ, Greennano Mat Res Ctr, 80 Daehak Ro, Daegu 41566, South Korea.
Novosibirsk State Univ, Dept Phys, Pirogova Str 2, Novosibirsk 630090, Russia.
Nikolaev Inst Inorgan Chem SB RAS, Dept Crystal Chem, Lavrentiev Ave 3, Novosibirsk 630090, Russia.
Siberian Fed Univ, 79 Svobodniy Pr, Krasnoyarsk 660041, Russia.
ESRF European Synchrotron, 71 Ave Martyrs, F-38000 Grenoble, France.
Tomsk State Univ, 36 Lenin Prospekt, Tomsk 634050, Russia.
BAM Fed Inst Mat Res & Testing, Richard Willstatter Str 11, D-12489 Berlin, Germany.
Kirensky Inst Phys, Fed Res Ctr KSC SB RAS, Krasnoyarsk 660036, Russia.

Доп.точки доступа:
Baek, Woohyeon; Gromilov, Serey A.; Kuklin, Artem, V; Kovaleva, Evgenia A.; Fedorov, A. S.; Федоров, Александр Семенович; Sukhikh, Alexander S.; Hanfland, Michael; Pomogaev, Vladimir A.; Melchakova, Iuliia A.; Avramov, P. V.; Аврамов, Павел Вениаминович; Yusenko, Kirill, V
}
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Treatment of detonation diamonds by metalcontained plasma of high frequency arc discharge and their properties / A. L. Kolonenko, I. V. Osipova, N. G. Vnukova [et al.] // Joint International Conference "Advanced Carbon Nanostructures" (ACN 2011). - 2011. - Ст. P3.26. - P187

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Доп.точки доступа:
Kolonenko, A. L.; Колоненко, Андрей Леонидович; Osipova, I. V.; Осипова, Ирина Владимировна; Vnukova, N. G.; Внукова, Наталья Григорьевна; Tomashevich, Ye. V.; Chiganov, A. S.; Churilov, G. N.; Чурилов, Григорий Николаевич; "Advanced Carbon Nanostructures", Joint International Conference(2011 ; July ; 4-8 ; St Petersburg)
}
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Structure and properties of exotic nano- and mesodiamonds with pentagonal symmetry / F. N. Tomilin, V. A. Pomogaev, Y. A. Melchakova [et al.] // Russ. Phys. J. - 2022. - Vol. 64, Is. 11. - P. 2046-2051, DOI 10.1007/s11182-022-02553-0. - Cited References: 16. - These results were obtained within the framework of the State Assignment of the Russian Ministry of Education and Science (No. 0721-2020-0033) . - ISSN 1064-8887
Кл.слова (ненормированные):
dodecahedral symmetry -- icosahedral symmetry -- twinned diamonds -- mesoparticles
Аннотация: A comprehensive critical survey of structures of exotic nano-, meso- and microdiamonds with dodecahedral and icosahedral symmetry (N/MDPS) is presented. Due to their high dodecahedral or icosahedral symmetry, the unique complex atomic and electronic structure of N/MDPS leads to transport and mechanical properties very promising for photonic, quantum, and nanomechanical applications. To explain the nature of diamonds, theoretical models have been proposed based on the formation of twinned structures consisting of either 5 or 20 symmetrically equivalent tetrahedral and prismatic fragments of the face-centered cubic lattice with the formation of star-shaped or icosahedral clusters, respectively. It has been shown that these twinned nano- and mesodiamonds have limited dimensions due to accumulation of uncompensated structural stresses arising from the deviation of the angles between diamond <111> facets from perfect 72° in tetrahedral fragments of the face-centered cubic lattice to 70.5° between five symmetrically equivalent twinned fragments.

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Публикация на русском языке Структура и свойства экзотических нано- и мезоалмазов пентагональной симметрии [Текст] / Ф. Н. Томилин, В. А. Помогаев, Ю. А. Мельчакова [и др.] // Изв. вузов. Физика. - 2021. - Т. 64 № 11. - С. 55-60

Держатели документа:
L. V. Kirensky Institute of Physics of the Siberian Branch of the Russian Academy of Sciences, Krasnoyarsk, Russian Federation
Siberian Federal University, Krasnoyarsk, Russian Federation
National Research Tomsk State University, Tomsk, Russian Federation
Kyungpook National University, Daegu, South Korea
Novosibirsk State University, Novosibirsk, Russian Federation
Institute of Solid State Chemistry and Mechanochemistry of the Siberian Branch of the Russian Academy of Sciences, Novosibirsk, Russian Federation
Federal Research Center Boreskov Institute of Catalysis of the Siberian Branch of the Russian Academy of Siences, Novosibirsk, Russian Federation

Доп.точки доступа:
Tomilin, F. N.; Томилин, Феликс Николаевич; Pomogaev, V. A.; Melchakova, Y. A.; Artyushenko, P. V.; Shubin, A. A.; Volodin, A. M.; Zilberberg, I. L.; Avramov, P. V.
}
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