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1.
57Fe Mössbauer spectroscopy
of FexMn1–xS at low temperature / G. M. Abramova, O. A. Bayukov, Yu. V. Knyazev, S. P. Kubrin> //
3-я Всероссийская научная конференция «Методы исследования состава и структуры функциональных материалов» (МИССФМ-2020) : 1-4 сент. 2020, Новосибирск : сб. тез. докл. - Новосибирск, 2020. - Ст. СД-16. - P. 309-310. - Библиогр.: 3. - This work was supported by the Russian Science Founation (project no. 17-12-01111) . - ISBN 978-5-906376-29-9
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Доп.точки доступа:
Abramova, G. M.; Абрамова, Галина Михайловна; Bayukov, O. A.;
Баюков
,
Олег
Артемьевич
; Knyazev, Yu. V.; Князев, Юрий Владимирович; Kubrin, S. P.; Российская академия наук; Сибирское отделение РАН; Институт катализа им. Г.К. Борескова Сибирского отделения РАН; Новосибирский государственный университет; Институт ядерной физики им. Г.И. Будкера Сибирского отделения РАН; Новосибирский институт органической химии им. Н. Н. Ворожцова СО РАН; Институт неорганической химии им. А.В. Николаева Сибирского отделения РАН"Методы исследования состава и структуры функциональных материалов", Всероссийская научная конференция(3 ; 2020 ; сент. ; Новосибирск)
}
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2.
An effect of
reduced S-rich fluids on diamond formation under mantle-slab interaction / Y. V. Bataleva [et al.]> // Lithos. - 2019. -
Vol. 336-337
. - P. 27-39,
DOI
10.1016/j.lithos.2019.03.027. - Cited References: 73. - This work was supported by the Russian Science Foundation under Grant No. 14-27-00054 and a state assignment of IGM SB RAS. The authors thank S. Ovchinnikov for his assistance in implementation of the Mossbauer spectroscopy measurements. . - ISSN 0024-4937
Перевод заглавия:
Влияние восстановленных S-обогащенных флюидов на образование алмаза при взаимодействии мантиевых плит
Кл.слова (ненормированные):
Sulfur-rich fluid
--
Iron carbide
--
Diamond
--
Mantle sulfides
--
High-pressure experiment
Аннотация:
Experimental study, dedicated to understanding the effect of S-rich reduced fluids on the diamond-forming processes under subduction settings, was performed using a multi-anvil high-pressure split-sphere apparatus in Fe3C-(Mg,Ca)CO3-S and Fe0-(Mg,Ca)CO3-S systems at the pressure of 6.3 GPa, temperatures in the range of 900–1600 °C and run time of 18–60 h. At the temperatures of 900 and 1000 °C in the carbide-carbonate-sulfur system, extraction of carbon from cohenite through the interaction with S-rich reduced fluid, as well as C0-producing redox reactions of carbonate with carbide were realized. As a result, graphite formation in assemblage with magnesiowüstite, cohenite and pyrrhotite (±aragonite) was established. At higher temperatures (≥1100 °C) formation of assemblage of Fe3+-magnesiowüstite and graphite was accompanied by generation of fO2-contrasting melts - metal-sulfide with dissolved carbon (Fe-S-C) and sulfide-oxide (Fe-S-O). In the temperature range of 1400–1600 °C spontaneous diamond nucleation was found to occur via redox interactions of carbide or iron with carbonate. It was established, that interactions of Fe-S-C and Fe-S-O melts as well as of Fe-S-C melt and magnesiowüstite, were С0-forming processes, accompanied by disproportionation of Fe. These resulted in the crystallization of Fe3+-magnesiowüstite+graphite assemblage and growth of diamond. We show that a participation of sulfur in subduction-related elemental carbon-forming processes results in sharp decrease of partial melting temperatures (~300 °C), reducting the reactivity of the Fe-S-C melt relatively to FeC melt with respect to graphite and diamond crystallization and decrease of diamond growth rate.
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Держатели документа:
Sobolev Institute of Geology and Mineralogy, Mineralogy Siberian Branch of the Russian Academy of Sciences, Academican Koptyug Ave., 3, Novosibirsk, 630090, Russian Federation
Novosibirsk State University, Pirogova str., 2, Novosibirsk, 630090, Russian Federation
Kirensky Institute of Physics, Siberian Branch of Russian Academy of Sciences, Akademgorodok 50, bld. 38, Krasnoyarsk, 660036, Russian Federation
Доп.точки доступа:
Bataleva, Y. V.; Palyanov, Y. N.; Borzdov, Y. M.; Novoselov, I. D.; Bayukov, O. A.;
Баюков
,
Олег
Артемьевич
}
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3.
An effective method
of magnetic hyperthermia based on the ferromagnetic resonance phenomenon / S. V. Stolyar, O. A. Li, E. D. Nikolaeva [et al.]> // Phys. Met. Metallogr. - 2023. -
Vol. 124
,
Is. 2
. - P. 174-180,
DOI
10.1134/S0031918X22601834. - Cited References: 15. - This study was supported by grant no. 22-14-20020 from the Russian Science Foundation and the Krasnoyarsk Regional Fund for Support of Scientific and Technological Activities. The authors are grateful to the Krasnoyarsk Regional Center for Collective Use at Federal Research Center Krasnoyarsk Scientific Center, Siberian Branch, Russian Academy of Sciences, for providing their research facilities . - ISSN 0031-918X. - ISSN 1555-6190
Кл.слова (ненормированные):
ferromagnetic resonance
--
cobalt ferrite
--
nickel ferrite
--
magnetic hyperthermia
Аннотация:
Nickel and cobalt ferrite nanoparticles have been synthesized using the chemical precipitation method; the nanoparticle sizes were found to be 63 ± 22 and 26 ± 4 nm, respectively. The static hysteresis loops and Mossbauer spectra have been measured. It is shown that cobalt ferrite powders are magnetically harder than nickel ferrite powders. Ferromagnetic resonance (FMR) curves have been studied. It is found that the FMR absorption for cobalt ferrite is observed at room temperature and above. The time dependences of the nanoparticle warm-up under FMR conditions have been measured. The maximum temperature changes for nickel ferrite and cobalt ferrite particles are 8 and 11 K, respectively. Using the example of cobalt ferrite powder, the possibility of effectively heating of particles in the FMR mode in their own field without using a DC magnetic field source is shown. The observed effect can be used in magnetic hyperthermia.
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Публикация на русском языке
Эффективный способ магнитной гипертермии, основанный на явлении ферромагнитного резонанса [Текст] / С. В. Столяр, О. А. Ли, Е. Д. Николаева [и др.] // Физ. металлов и металловед. - 2023. - Т. 124 № 2. - С. 182-189
Держатели документа:
Federal Research Center, Siberian Branch, Russian Academy of Sciences, 660036, Krasnoyarsk, Russia
Siberian Federal University, 660041, Krasnoyarsk, Russia
Institute of Physics, Siberian Branch, Russian Academy of Sciences, 660036, Krasnoyarsk, Russia
Доп.точки доступа:
Stolyar, S. V.; Li, O. A.; Nikolaeva, E. D.; Vorotynov, A. M.; Воротынов, Александр Михайлович; Velikanov, D. A.; Великанов, Дмитрий Анатольевич; Knyazev, Yu. V.; Князев, Юрий Владимирович; Bayukov, O. A.;
Баюков
,
Олег
Артемьевич
; Iskhakov, R. S.; Исхаков, Рауф Садыкович; P’yankov, V. F.; Volochaev, M. N.; Волочаев, Михаил Николаевич
}
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4.
Pletnev, O. N.
Analysis of the exchange interactions in the ε-Fe2O3 / O. N. Pletnev, O. A. Bayukov> //
VI Euro-Asian Symposium "Trends in MAGnetism" (EASTMAG-2016) : abstracts / ed.: O. A. Maksimova, R. D. Ivantsov. - Krasnoyarsk : KIP RAS SB, 2016. - Ст. P9.3. - P. 389. - References: 3 . - ISBN 978-5-904603-06-9
Кл.слова (ненормированные):
magnetic structure
--
exchange interactions
--
ε-Fe2O3
Доп.точки доступа:
Bayukov, O. A.;
Баюков
,
Олег
Артемьевич
; Плетнев,
Олег
Николаевич; Euro-Asian Symposium "Trends in MAGnetism"(6 ; 2016 ; Aug. ; 15-19 ; Krasnoyarsk); "Trends in MAGnetism", Euro-Asian Symposium(6 ; 2016 ; Aug. ; 15-19 ; Krasnoyarsk); Институт физики им. Л.В. Киренского Сибирского отделения РАН
Нет сведений об экземплярах
}
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5.
Analysis of the
exchange magnetic structure in Pb3Mn7O15 / E. V. Eremin [et al.]> // J. Exp. Theor. Phys. - 2017. -
Vol. 124
,
Is. 5
. - P. 792-804,
DOI
10.1134/S1063776117040112. - Cited References: 16 . - ISSN 1063-7761
Кл.слова (ненормированные):
Crystallography
--
Magnetic properties
--
Magnetic structure
--
Magnetism
--
Manganese
--
Indirect couplings
--
Manganese ions
--
Structural and magnetic properties
--
Single crystals
Аннотация:
The indirect-coupling model is used to analyze the exchange magnetic structure of Pb3Mn7O15 in the hexagonal setting. The ratios of manganese ions Mn4+/Mn3+ in each nonequivalent position are determined. Pb3(Mn0.95Ge0.05)7O15 and Pb3(Mn0.95Ga0.05)7O15 single crystals are grown by the solution–melt method in order to test the validity of the proposed model. The structural and magnetic properties of the single crystals are studied. The magnetic properties of the grown single crystals are compared with those of nominally pure Pb3Mn7O15. © 2017, Pleiades Publishing, Inc.
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Публикация на русском языке
Анализ обменной магнитной структуры Pb3Mn7O15 [Текст] / Е. В. Еремин [и др.] // Журн. эксперим. и теор. физ. : Наука, 2017. - Т. 151 Вып. 5. - С. 930-943
Держатели документа:
Kirensky Institute of Physics, Siberian Branch, Russian Academy of Sciences, Krasnoyarsk, Russian Federation
Siberian Federal University, Krasnoyarsk, Russian Federation
Nikolaev Institute of Inorganic Chemistry, Siberian Branch, Russian Academy of Sciences, pr. Akademika Lavrent’eva 3, Novosibirsk, Russian Federation
Novosibirsk State University, ul. Pirogova 2, Novosibirsk, Russian Federation
Доп.точки доступа:
Eremin, E. V.; Еремин, Евгений Владимирович; Volkov, N. V.; Волков, Никита Валентинович; Sablina, K. A.; Саблина, Клара Александровна; Bayukov, O. A.;
Баюков
,
Олег
Артемьевич
; Molokeev, M. S.; Молокеев, Максим Сергеевич; Komarov, V. Y.
}
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6.
Anisometric iron oxide-based
nanoparticles and sols based on them: Preparation and properties / S. V. Stolyar [et al.]> // J. Supercond. Novel Magn. - 2019. -
Vol. 32
,
Is. 4
. - P. 971–975,
DOI
10.1007/s10948-018-4784-7. - Cited References: 18. - The reported study was carried out with the financial support of the Russian Foundation for Fundamental Research, the Government of the Krasnoyarsk Territory, and the Krasnoyarsk Territory Fund for Support of Scientific and Technical Activity in the framework of scientific Projects No. 18-43-243003, No. 17-42-240080 and No. 17-43-240527. The work is supported by the Special Program of the Ministry of Education and Science of the Russian Federation for the Siberian Federal University. . - ISSN 1557-1939
Кл.слова (ненормированные):
Nanoparticles and nanorods
--
Chemical preparation
--
Superparamagnetism
Аннотация:
We have synthesized magnetic powders of the magnetite-maghemite series by the chemical reaction of the FeSO4 iron salt and the natural arabinogalactan polysaccharide. These particles with a high magnetization value (∼ 300 Gs) represent a mixture of spherical particles and nanorods. Particles of a spherical shape (diameter of ∼ 5–6 nm) show a superparamagnetic behavior at room temperature, while rods with a diameter of ∼ 5 nm and a length of 30 nm are magnetic. We have prepared sol samples based on the nanoparticle aqueous solution of arabinogalactan. Our results on the magnetism of the circular dichroism (MCD) on sol are consistent with the of Mössbauer spectroscopy data.
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Держатели документа:
Siberian Federal University, Krasnoyarsk, Russian Federation
Krasnoyarsk Scientific Center, Federal Research Center KSC SB RAS, Krasnoyarsk, Russian Federation
Kirensky Institute of Physics, Federal Research Center KSC SB RAS, Krasnoyarsk, Russian Federation
Доп.точки доступа:
Stolyar, S. V.; Bayukov, O. A.;
Баюков
,
Олег
Артемьевич
; Chekanova, L. A.; Чеканова, Лидия Александровна; Gerasimova, Y. V.; Герасимова, Юлия Валентиновна; Sokolov, A. Е.; Соколов, Алексей Эдуардович; Iskhakov, R. S.; Исхаков, Рауф Садыкович; Yaroslavtsev, R. N.; Ярославцев, Роман Николаевич; Volochaev, M. N.; Волочаев, Михаил Николаевич; Artemyeva, A. S.; Cheremiskina, E. V.; Knyazev, Yu. V.; Князев, Юрий Владимирович
}
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7.
Anomalies in the
magnetic properties of bismuth-substituted diluted yttrium iron garnet / S. S. Aplesnin, F. V. Zelenov, S. V. Semenov, O. A. Bayukov> // J. Magn. Magn. Mater. - 2023. -
Vol. 582
. - Ст. 171030,
DOI
10.1016/j.jmmm.2023.171030. - Cited References: 61. - The authors are grateful to T. N. Tarasenko for providing samples for magnetic measurements . - ISSN 0304-8853. - ISSN 1873-4766
Кл.слова (ненормированные):
Magnetic properties
--
Compensation temperature
--
Mossbauer spectroscopy
Аннотация:
The magnetic properties and Mossbauer spectra of the Y1.8Bi1.2Fe3.5Ga1.5O12 compound were investigated. A linear temperature dependence of the saturation magnetization, hysteresis, and stability of the coercive field in the magnetically ordered state were found. Using the Mossbauer measurements, the distribution of iron ions over octahedral and tetrahedral sites and the concentration of paramagnetic iron ions were determined. Two critical temperatures – the sublattice magnetization compensation temperature and the ferrimagnet–paramagnet transition temperature – were established. The disappear of the phonon mode in the vicinity of the magnetic transition was observed. The experimental data have been interpreted in terms of the spin–lattice interaction model.
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Держатели документа:
Kirensky Institute of Physics, Federal Research Center KSC SB RAS, Akademgorodok, 50, Krasnoyarsk 660036, Russia
Reshetnev Siberian State University of Science and Technology, Krasnoyarsky Rabochy Av., 31, Krasnoyarsk 660014, Krasnoyarsk, Russia
Siberian Federal University, Svobodny pr. 79, Krasnoyarsk 660041, Russia
Доп.точки доступа:
Aplesnin, S. S.; Аплеснин, Сергей Степанович; Zelenov, F. V.; Semenov, S. V.; Семёнов, Сергей Васильевич; Bayukov, O. A.;
Баюков
,
Олег
Артемьевич
}
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8.
Antiferromagnetic resonance and
phase diagrams of gadolinium ferroborate GdFe3(BO3)(4) / A. I. Pankrats [et al.]> // J. Exp. Theor. Phys. - 2004. -
Vol. 99
,
Is. 4
. - P. 766-775,
DOI
10.1134/1.1826168. - Cited References: 16 . - ISSN 1063-7761
РУБ
Physics, Multidisciplinary
Кл.слова (ненормированные):
Anisotropy
--
Antiferromagnetic materials
--
Antiferromagnetism
--
Phase diagrams
--
Resonance
--
Single crystals
--
Antiferromagnetic resonance
--
Antiferromagnets
--
Crystal axis
--
Transition fields
--
Gadolinium compounds
Аннотация:
Antiferromagnetic resonance in single crystals of rhombohedral gadolinium ferroborate GdFe3(BO3)(4) was studied. The frequency-field dependences of antiferromagnetic resonance over the frequency range 26-70 GHz and the temperature dependences of resonance parameters for magnetic fields oriented along the crystal axis and in the basal plane were determined. It was found that the iron subsystem, which can be treated as a two-sublattice antiferromagnet with anisotropy of the easy-plane type, experienced ordering at T = 38 K. At temperatures below 20 K, the gadolinium subsystem with the opposite anisotropy sign strongly influenced the anisotropic properties of the crystal. This resulted in a spontaneous spin-reorientation transition from the easy-plane to the easy-axis state at 10 K. Below 10 K, magnetic field-induced transitions between the states were observed. Experimental phase diagrams on the temperature-magnetic field plane were constructed for fields oriented along the crystal axis and in the basal plane. A simple model was used to calculate the critical transition fields. The results were in close agreement with the experimental values measured at T = 4.2 K for both field orientations. (C) 2004 MAIK "Nauka / Interperiodica".
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Держатели документа:
Russian Acad Sci, Siberian Div, Kirenskii Inst Phys, Krasnoyarsk 660036, Russia
ИФ СО РАН
Kirenskii Institute of Physics, Siberian Division, Russian Academy of Sciences, Akademgorodok, Krasnoyarsk, 660036, Russian Federation
Доп.точки доступа:
Pankrats, A. I.; Панкрац, Анатолий Иванович; Petrakovskii, G. A.; Петраковский, Герман Антонович; Bezmaternykh, L. N.; Безматерных, Леонард Николаевич; Bayukov, O. A.;
Баюков
,
Олег
Артемьевич
}
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9.
Bayukov, O. A.
Application of the superexchange model to the evaluation method of exchange and 3d-electron transfer parameters in magnetodielectrics / O. A. Bayukov, A. F. Savitskii> // Phys. Status Solidi B. - 1989. -
Vol. 152
,
Is. 2
. - P. K51-K53,
DOI
10.1002/pssb.2221520236. - Cited References: 6 . - ISSN 0370-1972
РУБ
Physics, Condensed Matter
WOS
Доп.точки доступа:
Savitskii, A. F.;
Баюков
,
Олег
Артемьевич
}
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10.
Bacterial ferrihydrite nanoparticles:
preparation, magnetic properties, and application in medicine / S. V. Stolyar [и др.]> //
Moscow Int. Symp. on Magnet. (MISM-2017) : 1-7 July 2017 : book of abstracts. - 2017. - Ст. 3RP-O-10. - P. 417. - Cited References: 8. - Support by the Special Program for Siberian Federal University of the Ministry of Education and Science of the Russian Federation is acknowledged
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Доп.точки доступа:
Stolyar, S. V.; Столяр, Сергей Викторович; Balaev, D. A.; Балаев, Дмитрий Александрович; Ladygina, V. P.; Dubrovskiy, A. A.; Дубровский, Андрей Александрович; Krasikov, A. A.; Красиков, Александр Александрович; Popkov, S. I.; Попков, Сергей Иванович; Bayukov, O. A.;
Баюков
,
Олег
Артемьевич
; Yaroslavtsev, R. N.; Ярославцев, Роман Николаевич; Volochaev, M. N.; Волочаев, Михаил Николаевич; Iskhakov, R. S.; Исхаков, Рауф Садыкович; Dobretsov, K. G.; Falaleev, O.V.; Chizhova, I. A.; Moscow International Symposium on Magnetism(7 ; 2017 ; Jul. ; Moscow); Московский государственный университет им. М.В. Ломоносова; Российский фонд фундаментальных исследований
}
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11.
Bacterial ferrihydrite nanoparticles:
preparation, magnetic properties, and application in medicine / S. V. Stolyar [et al.]> // J. Supercond. Novel Magn. - 2018. -
Vol. 31
,
Is. 8
. - P. 2297-2304,
DOI
10.1007/s10948-018-4700-1. - Cited References: 37. - The electron microscopy examination was carried out at the Center for Collective Use of the Krasnoyarsk Scientific Center of the Siberian Branch of the Russian Academy of Sciences (Krasnoyarsk, Russia). . - ISSN 1557-1939
Кл.слова (ненормированные):
Nanoparticles
--
Ferrihydrite
--
Magnetic properties
--
Drug delivery
Аннотация:
Nanoparticles of antiferromagnetically ordered materials acquire the uncompensated magnetic moment caused by defects and surface effects. A bright example of such a nano-antiferromagnet is nanoferrihydrite consisting of particles 2–5 nm in size, the magnetic moment of which amounts to hundreds of Bohr magnetons per particle. We present a brief review of the studies on magnetic properties of ferrihydrite produced by bacteria. Special attention is focused on the aspects of possible biomedical applications of this material, i.e., the particle elimination, toxicity, and possible use for targeted drug delivery.
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Держатели документа:
Siberian Federal University, Krasnoyarsk, Russian Federation
Krasnoyarsk Scientific Center, Federal Research Center KSC SB RAS, Krasnoyarsk, Russian Federation
Kirensky Institute of Physics, Federal Research Center KSC SB RAS, Krasnoyarsk, Russian Federation
Siberian Clinical Center, Krasnoyarsk, Russian Federation
Scientific Research Institute of Medical Problems of the North, Federal Research Center KSC SB RAS, Krasnoyarsk, Russian Federation
Доп.точки доступа:
Stolyar, S. V.; Столяр, Сергей Викторович; Balaev, D. A.; Балаев, Дмитрий Александрович; Ladygina, V. P.; Dubrovskiy, A. A.; Дубровский, Андрей Александрович; Krasikov, A. A.; Красиков, Александр Александрович; Popkov, S. I.; Попков, Сергей Иванович; Bayukov, O. A.;
Баюков
,
Олег
Артемьевич
; Knyazev, Yu. V.; Князев, Юрий Владимирович; Yaroslavtsev, R. N.; Ярославцев, Роман Николаевич; Volochaev, M. N.; Волочаев, Михаил Николаевич; Iskhakov, R. S.; Исхаков, Рауф Садыкович; Dobretsov, K. G.; Morozov, E. V.; Морозов, Евгений Владимирович; Falaleev, O. V.; Фалалеев,
Олег
Владимирович; Inzhevatkin, E. V.; Kolenchukova, O. A.; Chizhova, I. A.
}
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12.
Biogenic ferrihydrite nanoparticles
doped with gadolinium [Текст] / S. V. Stolyar [и др.]> //
V Euro-Asian simposium "Trend in MAGnetism": Nanomagnetism : abstracts. - Vladivostok : FEFU, 2013. - P232 . - ISBN 978-5-7444-3124-2
Доп.точки доступа:
Stolyar, S. V.; Столяр, Сергей Викторович; Bayukov, O. A.;
Баюков
,
Олег
Артемьевич
; Ladygina, V. P.; Ладыгина, Валентина Петровна; Ishchenko, L. A.; Ищенко Л. А.; Iskhakov, R. S.; Исхаков, Рауф Садыкович; Euro-Asian Symposium "Trends in MAGnetism": Nanomagnetism(5 ; 2013 ; Sept. ; 15-21 ; Vladivostok)
}
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13.
Biogenic ferrihydrite nanoparticles:
Synthesis, properties in vitro and in vivo testing and the concentration effect / S. V. Stolyar, O. A. Kolenchukova, A. V. Boldyreva [et al.]> // Biomedicines. - 2021. -
Vol. 9
,
Is. 3
. - Ст. 323,
DOI
10.3390/biomedicines9030323. - Cited References: 52. - This research was funded by the Russian Foundation for Basic Research, the Government of the Krasnoyarsk Territory and the Regional Science Foundation, grant number 20-416-242907 . - ISSN 2227-9059
РУБ
Biochemistry & Molecular Biology + Medicine, Research & Experimental + Pharmacology & Pharmacy
Кл.слова (ненормированные):
ferrihydrite nanoparticles
--
concentration effect
--
microorganisms Klebsiella oxytoca
--
neutrophilic granulocytes
--
chemiluminescence
--
toxicology
Аннотация:
Biogenic ferrihydrite nanoparticles were synthesized as a result of the cultivation of Klebsiella oxytoca microorganisms. The distribution of nanoparticles in the body of laboratory animals and the physical properties of the nanoparticles were studied. The synthesized ferrihydrite nanoparticles are superparamagnetic at room temperature, and the characteristic blocking temperature is 23-25 K. The uncompensated moment of ferrihydrite particles was determined to be approximately 200 Bohr magnetons. In vitro testing of different concentrations of ferrihydrite nanoparticles for the functional activity of neutrophilic granulocytes by the chemiluminescence method showed an increase in the release of primary oxygen radicals by blood phagocytes when exposed to a minimum concentration and a decrease in secondary radicals when exposed to a maximum concentration. In vivo testing of ferrihydrite nanoparticles on Wister rats showed that a suspension of ferrihydrite nanoparticles has chronic toxicity, since it causes morphological changes in organs, mainly in the spleen, which are characterized by the accumulation of hemosiderin nanoparticles (stained blue according to Perls). Ferrihydrite can also directly or indirectly stimulate the proliferation and intracellular regeneration of hepatocytes. The partial detection of Perls-positive cells in the liver and kidneys can be explained by the rapid elimination from organs and the high dispersion of the nanomaterial. Thus, it is necessary to carry out studies of these processes at the systemic level, since the introduction of nanoparticles into the body is characterized by adaptive-proliferative processes, accompanied by the development of cell dystrophy and tension of the phagocytic system.
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Держатели документа:
RAS, Kirensky Inst Phys, Fed Res Ctr KSC SB, Krasnoyarsk 660036, Russia.
RAS, Krasnoyarsk Sci Ctr, Fed Res Ctr KSC SB, Krasnoyarsk 660036, Russia.
Siberian Fed Univ, Dept Biophys, Krasnoyarsk 660041, Russia.
RAS, Sci Res Inst Med Problems North, Fed Res Ctr KSC SB, Krasnoyarsk 660022, Russia.
RAS, Inst Biophys, Fed Res Ctr KSC SB, Krasnoyarsk 660036, Russia.
Доп.точки доступа:
Stolyar, S. V.; Столяр, Сергей Викторович; Kolenchukova, O. A.; Boldyreva, A. V.; Kudryasheva, N. S.; Gerasimova, Yu. V.; Герасимова, Юлия Валентиновна; Krasikov, A. A.; Красиков, Александр Александрович; Yaroslavtsev, R. N.; Ярославцев, Роман Николаевич; Bayukov, O. A.;
Баюков
,
Олег
Артемьевич
; Ladygina, V. P.; Birukova, E. A.; Russian Foundation for Basic ResearchRussian Foundation for Basic Research (RFBR); Government of the Krasnoyarsk Territory; Regional Science Foundation [20-416-242907]
}
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14.
Biogenic nanoparticles of
ferrihydrites / S. V. Stolyar [и др.]> //
2nd International summer school and workshop complex and magnetic soft matter systems: physico-mechanical properties and structure : books of abstacs. - 2014. - P. 11
Материалы конференции
Доп.точки доступа:
Stolyar, S. V.; Столяр, Сергей Викторович; Ishchenko, L. A.; Ищенко Л. А.; Ladygina, V. P.; Bayukov, O. A.;
Баюков
,
Олег
Артемьевич
; Iskhakov, R. S.; Исхаков, Рауф Садыкович; Antonov, A. I.; Антонов А. И.; "Complex and magnetic soft matter systems: physico-mechanical properties and structure", International summer school and workshop (2 ; 2014 ; 29 sept.-3 oct. ; Dubna)
}
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15.
Catalytic properties and
nature of active centers of ferrospheres in oxidative coupling of methane / A. G. Anshits [et al.]> // Appl. Catal. A-Gen. - 2016. -
Vol. 524
. - P. 192-199,
DOI
10.1016/j.apcata.2016.06.032. - Cited References:47. - This study was supported by the Russian Science Foundation (project no. 14-13-00289). . - ISSN 0926-860X. - ISSN 1873-3875
Перевод заглавия:
Каталитические свойства и природа активных центров ферросфер в оксидативной связи метана
РУБ
Chemistry, Physical + Environmental Sciences
Рубрики:
GLASS CRYSTAL CATALYSTS
MAGNETIC-PROPERTIES
PROFILE REFINEMENT
FLY-ASH
MOSSBAUER
MICROSPHERES
PERFORMANCE
CONVERSION
ETHYLENE
OXIDE
Кл.слова (ненормированные):
Methane coupling
--
Active center
--
Ferrospinel
--
Mossbauer spectroscopy
Аннотация:
Ferrospheres with the Fe2O3 content in the range from 76 to 97 wt% were applied as catalysts for the oxidative coupling of methane (OCM). To identify their phase composition and distribution of iron sites, the ferrospheres were characterized by X-ray powder diffraction and Mossbauer spectroscopy before and after the OCM reaction. Magnetite-based ferrite spinel, hematite and aluminosilicate glasses were established to be the main phases. The ferrospinel of all ferrospheres partially oxidized to hematite after the OCM reaction. It was established that the yield of C-2-hydrocarbons sharply increased at the ferrospheres with Fe2O3 content higher than 89 wt% The spinel phase of these ferrospheres includes Fevv3+(B) sites with a Ca2+ tetrahedral cation and an octahedral cation vacancy among the nearest neighbors. A linear correlation between the yield of C-2-hydrocarbons (ethane and ethylene) and the content of such sites was established, thus indicating that their electrophilic oxygen species participate in selective CH4 conversion to C2H6. (C) 2016 Elsevier B.V. All rights reserved.
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Держатели документа:
Russian Acad Sci, Siberian Branch, Inst Chem & Chem Technol, Akad Gorodok 50-24, Krasnoyarsk 660036, Russia.
Russian Acad Sci, Siberian Branch, Kirensky Inst Phys, Akad Gorodok 50-38, Krasnoyarsk 660036, Russia.
Univ Rostock, Leibniz Inst Katalyse eV, Albert Einstein Str 29 a, D-18059 Rostock, Germany.
Доп.точки доступа:
Anshits, A. G.; Bayukov, O. A.;
Баюков
,
Олег
Артемьевич
; Kondratenko, E. V.; Anshits, N. N.; Pletnev, O. N.; Плетнев,
Олег
Николаевич; Rabchevskii, E. V.; Solovyov, L. A.; Russian Science Foundation [14-13-00289]
}
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16.
Cation Distribution in
the Composite Materials of the CaFe2O4-α-Fe2O3 Series / Y. V. Knyazev [et al.]> // J. Struct. Chem. - 2019. -
Vol. 60
,
Is. 5
. - P. 763-771,
DOI
10.1134/S0022476619050081. - Cited References: 25. - The study was performed with the financial support of the Russian Foundation for Basic Research, the Government of the Krasnoyarsk Krai, the Krasnoyarsk Regional Science Foundation within the project No. 18-42-243011 "The effect of the composition and the defective structure of CaFe2O4 based "core-shell" composite materials on their electronic and catalytic properties" and the UMNIK program. . - ISSN 0022-4766. - ISSN 1573-8779
РУБ
Chemistry, Inorganic & Nuclear + Chemistry, Physical
Рубрики:
PD/P-TYPE CAFE2O4
OXYGEN
CONDUCTIVITY
Кл.слова (ненормированные):
solid-phase synthesis
--
scanning electron microscopy
--
Mössbauer spectroscopy
--
cation vacancies
Аннотация:
Structured composite materials CaFe2O4-α-Fe2O3 (α-Fe2O3 content is 2–82 wt.%) are obtained with the method of solid-phase synthesis at 1000 °C. The phase composition of the samples is studied using powder X-ray diffraction. It is shown that the content of CaFe2O4 and α-Fe2O3 phases changes linearly, depending on the composition of the starting material. The scanning electron microscopy data indicate the formation of a two-phase system α-Fe2O3-CaFe2O4. The Mössbauer spectroscopy data at room temperature testify the formation of cationic iron vacancies in the CaFe2O4 crystal structure in the absence of α-Fe2O3 structural defects. Cationic vacancies can be formed during the synthesis in the atmosphere of air.
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Публикация на русском языке
Особенности катионного распределения в композиционных материалах ряда СaFe2O4—α-Fe2O3 [Текст] / Ю. В. Князев [и др.] // Журн. структ. химии. - 2019. - Т. 60 № 5. - С. 796-805
Держатели документа:
Russian Acad Sci, Kirensky Inst Phys, Siberian Branch, Fed Krasnoyarsk Res Ctr, Krasnoyarsk, Russia.
Russian Acad Sci, Inst Chem & Chem Technol, Siberian Branch, Fed Krasnoyarsk Res Ctr, Krasnoyarsk, Russia.
Доп.точки доступа:
Knyazev, Yu. V.; Князев, Юрий Владимирович; Shishkina, N. N.; Bayukov, O. A.;
Баюков
,
Олег
Артемьевич
; Kirik, N. P.; Solovyov, L. A.; Zhizhaev, A. M.; Rabchevsky, E. V.; Anshits, A. G.; Russian Foundation for Basic Research; Government of the Krasnoyarsk Krai; Krasnoyarsk Regional Science Foundation [18-42-243011]; UMNIK program
}
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17.
Change in the
magnetic properties of nanoferrihydrite with an increase in the volume of nanoparticles during low-temperature annealing / D. A. Balaev [et al.]> // Phys. Solid State. - 2016. -
Vol. 58
,
Is. 9
. - P. 1782-1791,
DOI
10.1134/S1063783416090092. - Cited References: 32. - This study was supported by the Ministry of Education and Science of the Russian Federation within the State Task for 2014-2016. . - ISSN 1063-7834
РУБ
Physics, Condensed Matter
Рубрики:
FERRIHYDRITE NANOPARTICLES
BACTERIAL FERRIHYDRITE
FERRITIN
HYSTERESIS
MOSSBAUER
ORIGIN
Аннотация:
The results of the investigation into the effect of low-temperature annealing of a powder of nanoparticles of bacterial ferrihydrite on its magnetic properties have been presented. It has been found that an increase in the time (up to 240 h) and temperature (in the range from 150 to 200°C) of annealing leads to a monotonic increase in the superparamagnetic blocking temperature, the coercive force, and the threshold field of the opening of the magnetic hysteresis loop (at liquid-helium temperatures), as well as to an increase in the magnetic resonance line width at low temperatures and in the magnetic susceptibility at room temperature. At the same time, according to the results of the analysis of the Mossbauer spectra, the annealing of ferrihydrite does not lead to the formation of new iron oxide phases. Most of these features are well consistent with the fact that the low-temperature annealing of ferrihydrite causes an increase in the size of nanoparticles, which is confirmed by the results of transmission electron microscopy studies. © 2016, Pleiades Publishing, Ltd.
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Публикация на русском языке
Изменение магнитных свойств наноферригидрита в ходе низкотемпературного отжига, обусловленное ростом объeма наночастиц [Текст] / Д. А. Балаев [и др.] // Физ. тверд. тела : Физико-технический институт им. А. Ф. Иоффе РАН, 2016. - Т. 58 Вып. 9. - С. 1724–1732
Держатели документа:
Kirensky Institute of Physics, Siberian Branch of the Russian Academy of Sciences, Akademgorodok 50/38, Krasnoyarsk, Russian Federation
Siberian Federal University, Svobodny pr. 79, Krasnoyarsk, Russian Federation
International Scientific Centre for Organism Extreme States Research, Presidium of the Krasnoyarsk Scientific Centre of the Siberian Branch of the Russian Academy of Sciences, Akademgorodok 50, Krasnoyarsk, Russian Federation
International Laboratory of High Magnetic Fields and Low Temperatures, ul. Gajowicka 95, Wroclaw, Poland
Доп.точки доступа:
Balaev, D. A.; Балаев, Дмитрий Александрович; Krasikov, A. A.; Красиков, Александр Александрович; Stolyar, S. V.; Столяр, Сергей Викторович; Iskhakov, R. S.; Исхаков, Рауф Садыкович; Ladygina, V. P.; Yaroslavtsev, R. N.; Bayukov, O. A.;
Баюков
,
Олег
Артемьевич
; Vorotynov, A. M.; Воротынов, Александр Михайлович; Volochaev, M. N.; Волочаев, Михаил Николаевич; Dubrovskiy, A. A.; Дубровский, Андрей Александрович
}
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18.
Change of iron
state in ferrospheres under the influence of the reaction mixture in the process of oxidative coupling of methane / E. V. Rabchevskii [и др.]> //
XIII Международная конференция "Мёссбауэровская спектроскопия и её применения" (ICMSA-2014). - Суздаль : ИМЕТ РАН, 2014. - P103 . - ISBN 978-5-4253-0757-6
Материалы конференции
Доп.точки доступа:
Rabchevskii, E. V.; Pletnev, O. N.; Плетнев,
Олег
Николаевич; Anshits, O. V.; Аншиц, О. В.; Bayukov, O. A.;
Баюков
,
Олег
Артемьевич
; Anshits, A. G.; Аншиц, Александр Георгиевич; Российская академия наук; Совет РАН "Общая химия и наука о материалах" РАН; Институт металлургии и материаловедения им. А. А. Байкова РАН; Московский государственный технический университет радиотехники, электроники и автоматики; "Мёссбауэровская спектроскопия и её применения", Международная конференция (13 ; 2014 ; 11-15 окт. ; Суздаль)
}
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19.
Composition and Ligand
Microstructure of Arsenopyrite from Gold Ore Deposits of the Yenisei Ridge (Eastern Siberia, Russia) / A. M. Sazonov [et al.]> // Minerals. - 2019. -
Vol. 9
,
Is. 12
. - Ст. 737,
DOI
10.3390/min9120737. - Cited References: 62. - The work was supported by the Russian Foundation for Basic Research (project number 19-35-90017) and the Government of the Russian Federation (project 14.Y26.31.0012). . - ISSN 2075-163X
Перевод заглавия:
Состав и лигандная микроструктура арсенопирита золоторудных месторождений Енисейского хребта (Восточная Сибирь, Россия)
Кл.слова (ненормированные):
arsenopyrite
--
crystal lattice
--
ligand surroundings
--
non-equal positions
--
Mössbauer Effect
--
gold
--
“invisible” gold
--
gold ore deposits
Аннотация:
The Mössbauer spectroscopy method was used to study the ligand microstructure of natural arsenopyrite (31 specimens) from the ores of the major gold deposits of the Yenisei Ridge (Eastern Siberia, Russia). Arsenopyrite and native gold are paragenetic minerals in the ore; meanwhile, arsenopyrite is frequently a gold carrier. We detected iron positions with variable distribution of sulfur and arsenic anions at the vertexes of the coordination octahedron {6S}, {5S1As}, {4S2As}, {3S3As}, {2S4As}, {1S5As}, {6As} in the mineral structure. Iron atoms with reduced local symmetry in tetrahedral cavities, as well as iron in the high-spin condition with a high local symmetry of the first coordination sphere, were identified. The configuration {3S3As} typical for the stoichiometric arsenopyrite is the most occupied. The occupation degree of other configurations is not subordinated to the statistic distribution and varies within a wide range. The presence of configurations {6S}, {3S3As}, {6As} and their variable occupation degree indicate that natural arsenopyrites are solid pyrite {6S}, arsenopyrite {3S3As}, and loellingite {6As} solutions, with the thermodynamic preference to the formation of configurations in the arsenopyrite–pyrite–loellingite order. It is assumed that in the variations as part of the coordination octahedron, the iron output to the tetrahedral positions and the presence of high-spin Fe cations depend on the physical and chemical conditions of the mineral formation. It was identified that the increased gold concentrations are typical for arsenopyrites with an elevated content of sulfur or arsenic and correlate with the increase of the occupation degree of configurations {5S1As}, {4S2As}, {1S5As}, reduction of the share of {3S3As}, and the amount of iron in tetrahedral cavities.
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Держатели документа:
Institute of Mining, Geology and Geotechnology, Siberian Federal University, 79 pr. Svobodny, 660041 Krasnoyarsk, Russia
Kirensky Institute of Physics, Federal Research Center Krasnoyarsk Scientific Center of the Siberian Branch of the Russian Academy of Sciences, 50 Bld. 38 Akademgorodok, 660036 Krasnoyarsk, Russia
Faculty of Geology and Geography, Tomsk National Research State University, 36 Lenina, 634050 Tomsk, Russia
Доп.точки доступа:
Sazonov, A. M.; Silyanov, S. A.; Bayukov, O. A.;
Баюков
,
Олег
Артемьевич
; Knyazev, Yu. V.; Князев, Юрий Владимирович; Zvyagina, Y. A.; Tishin, P. A.
}
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20.
Composition, morphology, properties
of coal fly ash microspheres and their application for conditioning liquid radioactive waste / N. N. Anshits [et al.]> // International Journal of Nuclear Energy Science and Technology. - 2006. -
Т. 2
,
№ 1-2
. - С. 8-24 . - ISSN 1741-6361. - ISSN 1741-637X
ГРНТИ
61
MeSH-главная:
РИНЦ
Держатели документа:
Federal State Unitary Enterprize ‘Mining Chemical Combine’ (MCC)
G.K. Boreskov’s Institute of Catalysis SB RAS (IC SB RAS)
Institute of Chemistry and Chemical Technology,SB RAS (ICCT SB RAS)
L.B. Kirenskii Institute of Physics SB RAS (IP SB RAS)
Доп.точки доступа:
Anshits, N. N. ; Аншиц, Наталья Николаевна; Salanov, A. N.; Vereshchagina, T. A.; Kruchek, D. M.; Bayukov, O. A.;
Баюков
,
Олег
Артемьевич
; Tretyakov, A. A.; Revenko, Y. A.; Anshits, A. G.; Аншиц, Александр Георгиевич
}
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