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Найдено документов в текущей БД: 51

    Magnetic characteristics of primary concentrates supplied as a feedstock to Abagur enrichment-agglomeration plant
/ E. K Yakubailik [et al.] // J. Min. Sci. - 2013. - Vol. 49, № 1. - P. 153-159, DOI 10.1134/S1062739149010188. - Cited References: 7 . - ISSN 1062-7391
РУБ Mining & Mineral Processing

Кл.слова (ненормированные):
primary concentrate -- magnetite ore -- lightly-oxidized ore -- magnetic properties

Аннотация: The article presents basic magnetic characteristics of nine primary concentrates produced from Siberian magnetite ore and a lightly oxidized iron ore and supplied as a feedstock to Abagur enrichment-agglomeration plant. The best magnetic properties belong to the primary concentrate produced from the magnetite ore mined at Abaza, Irba and Kaz deposits; the weakest properties characterize the lightly oxidized ore from Izykh-Gol and Krasnokamensk; the magnetic characteristics are proportional to magnetite content in a primary test specimen. Considering this, the integrated processing of lightly oxidized and magnetite ore is recommended to lower magnetite loss in tailings of Abagur plant.

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Держатели документа:
Russian Acad Sci, Siberian Branch, LV Kirensky Phys Inst, Krasnoyarsk 660036, Russia
EVRAZRUDA JSC, Novokuznetsk 654027, Russia

Доп.точки доступа:
Yakubailik, E. K.; Якубайлик, Эдуард Константинович; Kilin, V. I.; Килин, В. И.; Chizhik, M. V.; Чижик, Михаил Владимирович; Ganzhenko, I. M.

    Магнитные свойства и процессы мокрой магнитной сепарации первичных концентратов железосодержащих руд Сибири
/ Э. К. Якубайлик [и др.] // Горный информационно-аналитический бюллетень. - 2013. - № 2. - С. 114-124 . - ISSN 0236-1493
   Перевод заглавия: Magnetic properties and process wet separation of the primary concentrate iron ores Siberia
Аннотация: Изложены результаты изучения основных магнитных характеристик и показателей лабораторной мокрой сепарации девяти первичных концентратов магнетитовых и слабоокисленных руд сибирских месторождений — сырья Абагурской обогатительной фабрики. Рекомендовано слабоокисленные руды обогащать в обшей шихте с магнетитовыми для уменьшения потерь железа с хвостами.
The results of investigation of the main magnetic properties and the separation parameters obtained laboratory wet separation nine primary concentrate magnetite and sub-acidulute siberian ores deposits - raw materials of Abagursk preparation plant are present. Recommend sub-acidulate ores to concentrate at common charge with the magnetite ores for decreasing the losses of the iron with tailing.

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Держатели документа:
Институт физики СО РАН
ОАО «Евразруда»
ЗАО «Полюс»

Доп.точки доступа:
Якубайлик, Эдуард Константинович; Yakubailik, E. K.; Килин, В. И.; Kilin, V. I.; Килин, С. В.; Kilin, S. V.; Ганженко, И. М.

    Dressability of abagas hematite-magnetite ores
/ V. I. Kilin [et al.] // J. Min. Sci. - 2012. - Vol. 48, Is. 2. - P. 363-368, DOI 10.1134/S1062739148020189. - Cited References: 3 . - ISSN 1062-7391

Кл.слова (ненормированные):
magnetite -- hematite -- ilvaite -- dry -- wet -- high-gradient magnetic separation -- jigging

Аннотация: A number of magnetic separation processes are used to study preparability of two main hematite-magnetite and magnetite-muscovite ore types extacted it the Abagas iron ore deposit. The dry magnetic separation results were judged as acceptable for the rough processing stage, while the products of the wet magnetic separation were the high-grade iron ore concentrates. The two-stage beneficiation tests on complex hematite-magnetite ores demonstrated much higher cumulative iron recovery from the test ore.

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Держатели документа:
[Kilin, V. I.] EVRAZRUDA, Novokuznetsk 654027, Russia
[Yakubailik, E. K.
Kostenenko, L. P.] Russian Acad Sci, LV Kirensky Phys Inst, Siberian Branch, Krasnoyarsk 660036, Russia
[Ganzhenko, I. M.] Siberian Fed Univ, Krasnoyarsk 660041, Russia

Доп.точки доступа:
Kilin, V. I.; Килин, В. И.; Yakubailik, E. K.; Якубайлик, Эдуард Константинович; Kostenenko, L. P.; Костененко, Лариса Павловна; Ganzhenko, I. M.

    Size control in the formation of magnetite nanoparticles in the presence of citrate ions
/ V. L. Kirillov [et al.] // Mater. Chem. Phys. - 2014. - Vol. 145, Is. 1-2. - P. 75-81, DOI 10.1016/j.matchemphys.2014.01.036. - Cited References: 46. - This work was supported by the Interdisciplinary Integration Project no. 45 of the Siberian Branch of the Russian Academy of Sciences for 2012-2014. . - ISSN 0254-0584. - ISSN 1879-3312
РУБ Materials Science, Multidisciplinary

Аннотация: A one-pot synthesis method for the controllable growth of magnetite nanoparticles directly during the process of co-precipitation using citrate ions was developed. The effects of the concentration of citrate ions and the solution pH on the characteristics of magnetite particles with sizes in the range of 4-10 nm synthesized by the method of co-precipitation were studied. The results showed that the specified concentration of citrate ions allowed the preparation of magnetite particles with a definite size that exhibited superparamagnetic behaviour in a particular temperature range. As the concentration ratio of citrate to iron ions was increased from 0 to 0.11, the average size of the prepared magnetite particles decreased from 10.5 to 4.4 nm. As a result, the superparamagnetic blocking temperature decreased from 300 to 20 K, the saturation magnetisation decreased from 50 to 20 emu g(-1), and the average magnetic moment decreased from 8000 mu(B) to 340 mu(B) (at T = 300 K). The obtained experimental data proved that the size effects of the magnetite nanoparticles can be attributed to the capping of the magnetite surface by adsorbed citrate ions. Thus, the suggested approach allows magnetite nanoparticles to be prepared with an optimum particle size around superparamagnetic threshold that prevents their irreversible agglomeration and simultaneously allows them to be removed from a solution at an acceptable rate. (C) 2014 Elsevier B.V. All rights reserved.

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Держатели документа:
Russian Acad Sci, Siberian Branch, Boreskov Inst Catalysis, Novosibirsk 630090, Russia
Russian Acad Sci, Siberian Branch, LV Kirensky Phys Inst, Krasnoyarsk 660036, Russia

Доп.точки доступа:
Kirillov, V. L.; Balaev, D. A.; Балаев, Дмитрий Александрович; Semenov, S. V.; Семёнов, Сергей Васильевич; Shaikhutdinov, K. A.; Шайхутдинов, Кирилл Александрович; Martyanov, O. N.; Siberian Branch of the Russian Academy of Sciences

    Magnetic and structural properties of nanocomposite ZnO-Fe3O4 films prepared by solid-state synthesis
/ L. E. Bykova [et al.] // Solid State Phenom. : Selected, peer reviewed papers. - 2014. - Vol. 215: Trends in Magnetism: Nanomagnetism (EASTMAG-2013). - P. 158-162, DOI 10.4028/www.scientific.net/SSP.215.158. - Cited References: 18 . - ISSN 978-30383. - ISSN 1662-9779

Кл.слова (ненормированные):
Ferromagnetic nanocomposite films -- Magnetite -- Solid-state synthesis -- Zinc oxide

Аннотация: A simple method for obtaining ZnO-FeO3O4 nanocomposites using solid-state reaction Zn + 3Fe2O3 > ZnO + 2FeO3O4 is suggested. An analysis of the characteristics and properties of ZnOFeO3O4 nanocomposites was carried out by a combination of structural and physical methods (X-ray diffraction, scanning electron microscopy, photoelectron spectroscopy, Mossbauer measurements, X-ray fluorescent analysis, and magnetic measurements). The magnetization of the hybrid ZnOFeO3O4 films is equal to 440 emu/cm3. The resulting FeO3O4 nanoparticles are surrounded by a ZnO shell and have sizes ranging between 20 and 40 nm. © (2014) Trans Tech Publications, Switzerland.


Доп.точки доступа:
Ovchinnikov, S. G. \ed.\; Овчинников, Сергей Геннадьевич; Samardak, A. \ed.\; Bykova, L. E.; Быкова, Людмила Евгеньевна; Myagkov, V. G.; Мягков, Виктор Григорьевич; Tambasov, I. A.; Тамбасов, Игорь Анатольевич; Bayukov, O. A.; Баюков, Олег Артемьевич; Zhigalov, V. S.; Жигалов, Виктор Степанович; Mikhlin, Y. L.; Михлин, Юрий Леонидович; Nemtsev, I. V.; Немцев, Иван Васильевич; Bondarenko, G. N.; Бондаренко, Галина Николаевна; Euro-Asian Symposium "Trends in MAGnetism": Nanomagnetism(5 ; 2013 ; sept. ; 15-21 ; Vladivostok)

    Magnetite losses decrease at the Abagurskaya concentrating plant
/ I. M. Ganzhenko, E. K. Yakubaylik // Obogashch. Rud. - 2015. - Is. 1. - P. 22-25. - Cited References: 7 . - ISSN 0202-3776
Аннотация: Presently, owing to the wet magnetic concentration technology and equipment improvement, losses of magnetite iron in tailings were reduced close to 1 % at all iron ore processing facilities. This raises the question of magnetite losses limit value that may be reached on the basis of the available engineering and technical provision. The results of the investigations, performed with a view to estimate achievable level of magnetite losses at the Abagurskaya concentrating plant, are presented. As a result of the composition and magnetic properties investigations, carried out on samples of concentrate and classifiers overflow products, as well as final tailings in all processing operations, it was established, that losses of magnetite iron in tailings could be reduced to 0.5 %. With that, decrease by 0.15 % may be achieved by means of replacement of all barium-ferrite systems with the ones made of neodymium-iron-boron alloy, and by 0.30 %-through application of separators of the type PBR-P-90/250A in magnetite heavy-medium regeneration, as well as application of neodymium-iron-boron alloy magnets.

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Держатели документа:
Evraz's Abagur Branch, Russian Federation
L. V. Kirensky Institute of Physics, Siberian Branch of RAS, Russian Federation

Доп.точки доступа:
Yakubaylik, E. K.; Якубайлик, Эдуард Константинович

    Novel pressure-induced magnetic transition in magnetite (Fe(3)O(4))
/ Y. . Ding [et al.] // Phys. Rev. Lett. - 2008. - Vol. 100, Is. 4. - Ст. 45508, DOI 10.1103/PhysRevLett.100.045508. - Cited References: 39 . - ISSN 0031-9007
РУБ Physics, Multidisciplinary

Аннотация: Fe K-edge x-ray magnetic circular dichroism of magnetite (Fe(3)O(4)) powders was measured with synchrotron radiation under variable pressure and temperature conditions in diamond anvil cell. The magnetic dichroism was observed to decrease discontinuously by similar to 50% between 12 and 16 GPa, independent of temperature. The magnetic transition is attributed to a high-spin to intermediate-spin transition of Fe(2+) ions in the octahedral sites and could account for previously observed structural and electrical anomalies in magnetite at this pressure range. The interpretation of x-ray magnetic circular dichroism data is supported by x-ray emission spectroscopy and theoretical cluster calculations.

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Держатели документа:
Mao, Ho-kwang] Carnegie Inst Washington, HPSynC, Argonne, IL 60439 USA
Lang, Jonathan C.] Argonne Natl Lab, Adv Photon Source, Argonne, IL 60439 USA
[Ovchinnikov, Sergei G.] Russian Acad Sci, Siberian Branch, LV Kirensky Phys Inst, Krasnoyarsk 660036, Russia
Orlov, Yuri S.] Siberian Fed Univ, Krasnoyarsk 660041, Russia
[Mao, Ho-kwang] Carnegie Inst Washington, Geophys Lab, Washington, DC 20015 USA
[Mao, Ho-kwang] Carnegie Inst Washington, HPCAT, Argonne, IL 60439 USA
HPSynC, Carnegie Institution of Washington, 9700 South Cass Avenue, Argonne, IL 60439, United States
Advanced Photon Source, Argonne National Laboratory, Argonne, IL 60439, United States
Kirensky Institute of Physics, Siberian Branch, Russian Academy of Science, 660036 Krasnoyarsk, Russian Federation
Siberian Federal University, Krasnoyarsk, 660041, Russian Federation
Geophysical Laboratory, Carnegie Institution of Washington, 5251 Broad Branch Road NW, Washington, DC 20015, United States
HPCAT, Carnegie Institution of Washington, Building 434E, 9700 South Cass Avenue, Argonne, IL 60439, United States

Доп.точки доступа:
Ding, Y.; Haskel, D.; Ovchinnikov, S. G.; Овчинников, Сергей Геннадьевич; Tseng, Y. C.; Orlov, Y. S.; Lang, J. C.; Mao, H. K.

    Superparamagnetism of magnetite particles in C-60 fullerite powder
/ E. A. Petrakovskaya [et al.] // Tech. Phys. - 2005. - Vol. 50, Is. 6. - P. 790-793, DOI 10.1134/1.1947359. - Cited References: 9 . - ISSN 1063-7842
РУБ Physics, Applied
Рубрики:
RESONANCE

Аннотация: A new magnetic material, C-60 fullerite powder doped by magnetite (Fe3O4) nanoparticles, is obtained by heating a mixture of fullerite and iron(III) acetylacetonate. It is shown that the material offers superparamagnetic properties. Surface bonding between the nanoparticles and the fullerite is established. (c) 2005 Pleiades Publishing, Inc.

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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, Krasnoyarsk, Akademgorodok, 660036, Russian Federation

Доп.точки доступа:
Petrakovskaya, E. A.; Петраковская, Элеонора Анатольевна; Isakova, V. G.; Исакова, Виктория Гавриловна; Bayukov, O. A.; Баюков, Олег Артемьевич; Velikanov, D. A.; Великанов, Дмитрий Анатольевич

    INVESTIGATION OF QUANTUM SIZE EFFECT IN MAGNETITE FILMS
/ E. V. BABKIN, N. G. CHERKUNOVA, S. G. OVCHINNIKOV // Solid State Commun. - 1984. - Vol. 52, Is. 8. - P. 735-738, DOI 10.1016/0038-1098(84)90400-9. - Cited References: 8 . - ISSN 0038-1098
РУБ Physics, Condensed Matter


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Держатели документа:
L.V. Kirensky Institute of Physics, Siberian Department, the USSR Academy of Sciences, Krasnoyarsk, 660036, Russian Federation
ИФ СО РАН
Доп.точки доступа:
CHERKUNOVA, N. G.; OVCHINNIKOV, S. G.; Овчинников, Сергей Геннадьевич

    Characteristics of magnetite magnetoresistance
/ E. V. Babkin, N. I. Kiselev, V. G. Pynko // Fiz. Tverd. Tela. - 1995. - Vol. 37, Is. 11. - P. 3547-3549. - Cited References: 5 . - ISSN 0367-3294
РУБ Physics, Condensed Matter


WOS

Доп.точки доступа:
Kiselev, N. I.; Pyn'ko, V. G.; Пынько, Виталий Григорьевич

    Influence of high-pressure thermal-treatment on the phase compound and phase-transformation kinetics of a system magnetite-wustite
/ G. I. Barinov, Y. V. Babkin // Izvestiya vysshikh uchebnykh zavedenii Fizika. - 1990. - Vol. 33, Is. 5. - P. 95-96 ; Russian Physics Journal ; Известия высших учебных заведений. Физика. - Cited References: 4 . - ISSN 0021-3411
РУБ Physics, Multidisciplinary


WOS

Доп.точки доступа:
Babkin, Y. V.



    DIELECTRIC-CONSTANT OF THIN MAGNETITE FILMS IN THE LOW-TEMPERATURE PHASE
/ S. G. OVCHINNIKOV, N. G. CHERKUNOVA // Fiz. Tverd. Tela. - 1987. - Vol. 29, Is. 11. - P. 3516-3518. - Cited References: 8 . - ISSN 0367-3294
РУБ Physics, Condensed Matter


WOS

Доп.точки доступа:
CHERKUNOVA, N. G.

    METAL-EXCITON INSULATOR TRANSITION IN MAGNETITE
/ S. G. OVCHINNIKOV // Fiz. Tverd. Tela. - 1987. - Vol. 29, Is. 6. - P. 1758-1762. - Cited References: 30 . - ISSN 0367-3294
РУБ Physics, Condensed Matter


WOS


    VERVEY POINT OSCILLATIONS IN MAGNETITE FILM IN STRONG ELECTRIC-FIELD
/ S. G. OVCHINNIKOV, I. S. SANDALOV, N. G. CHERKUNOVA // Fiz. Tverd. Tela. - 1985. - Vol. 27, Is. 11. - P. 3487-3490. - Cited References: 14 . - ISSN 0367-3294
РУБ Physics, Condensed Matter


WOS

Доп.точки доступа:
SANDALOV, I. S.; CHERKUNOVA, N. G.

    Magnetic-anisotropy peculiarities of high-temperature magnetite phases
/ E. V. Babkin [и др.] // Fiz. Tverd. Tela. - 1984. - Vol. 26, Is. 5. - P. 1493-1494. - Cited References: 7 . - ISSN 0367-3294
РУБ Physics, Condensed Matter


WOS

Доп.точки доступа:
Babkin, E. V.; Drokin, N. A.; Дрокин, Николай Александрович; Koval, K. P.; Коваль, Клавдия Павловна; Pynko, V. G.; Пынько, Виталий Григорьевич

    ELECTRIC-FIELD EFFECT ON THE MAGNETIC-ANISOTROPY OF MAGNETITE
/ E. V. BABKIN, N. G. CHERKUNOVA // Fiz. Tverd. Tela. - 1984. - Vol. 26, Is. 6. - P. 1818-1822. - Cited References: 14 . - ISSN 0367-3294
РУБ Physics, Condensed Matter


WOS

Доп.точки доступа:
CHERKUNOVA, N. G.

    PHOTOCONDUCTIVITY IN TIN-DOPED MAGNETITE
/ N. A. DROKIN, E. Y. AKSENOVA, Y. A. MAMALUI // Fiz. Tverd. Tela. - 1984. - Vol. 26, Is. 6. - P. 1837-1838. - Cited References: 5 . - ISSN 0367-3294
РУБ Physics, Condensed Matter


WOS

Доп.точки доступа:
AKSENOVA, E. Y.; MAMALUI, Y. A.

    QUANTUM SIZE EFFECT IN MAGNETITE THIN-FILMS
/ E. V. BABKIN [и др.] // Fiz. Tverd. Tela. - 1983. - Vol. 25, Is. 6. - P. 1896-1898. - Cited References: 4 . - ISSN 0367-3294
РУБ Physics, Condensed Matter


WOS

Доп.точки доступа:
BABKIN, E. V.; CHERKUNOVA, N. G.; Ovchinnikov, S. G.; Овчинников, Сергей Геннадьевич; Valkov, V. V.; Val'kov, V. V.

    Magnetic, transport, and magnetotransport properties of the textured Fe3O4 thin films reactively deposited onto SiO2/Si
/ A. S. Tarasov [et al.] // J. Alloys Compd. - 2016. - Vol. 688. - P. 1095-1100, DOI 10.1016/j.jallcom.2016.07.138. - Cited References: 40. - This work was supported in part by the Russian Foundation for Basic Research, project no. 14-02-00234; the Russian Academy of Sciences, Program “Far East” no. 0262-2015-0057; and the Ministry of Education and Science of the Russian Federation, state order no. 16.663.2014K. The XRD study was supported by the state budget allocated to the Russian Academy of Sciences, fundamental research project no. V. 45.3.1. The authors are grateful to the Krasnoyarsk Regional Fund for Science and Technical Activity Support and the Council of the President of the Russian Federation on Grants. . - ISSN 0925-8388

Кл.слова (ненормированные):
Magnetite -- Magnetoresistance -- Reactive deposition

Аннотация: The structural, magnetic, transport, and magnetotransport properties of Fe3O4 thin films with thicknesses from 38 nm to 95 nm are systematically investigated. The occurrence of the Verwey transition in these films at a temperature of about 120 K is established. It is found that the temperature dependences of the magnetic moment have a feature near 40 K, which can be attributed to the multiferroic phase. According to the X-ray diffraction data, the film structure represents a (001) texture. As was established using transmission electron microscopy, the height and width of texture crystallites increase with film thickness. Analysis of the temperature dependences of the resistivity showed that the dominant carrier transport mechanism in the films is thermoactivated tunneling. The thermoactivation energy, along with the room-temperature resistivity, decreases with increasing film thicknesses, which is most likely related to the variation in the crystallite size, especially in the crystallite width. The field dependence of magnetoresistance behaves similarly over the entire temperature range and has a positive MR peak in weak fields, which is related to spin-dependent tunneling through Fe3O4 grains and antiferromagnetically coupled antiphase boundaries. © 2016 Elsevier B.V.

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Держатели документа:
Kirensky Institute of Physics, Russian Academy of Sciences, Siberian Branch, Krasnoyarsk, Russian Federation
Institute of Engineering Physics and Radio Electronics, Siberian Federal University, Krasnoyarsk, Russian Federation
Siberian State Aerospace University, Krasnoyarsk, Russian Federation
Institute of Automation and Control Processes, Russian Academy of Sciences, Far Eastern Branch, Vladivostok, Russian Federation
School of Natural Sciences, Far Eastern Federal University, Vladivostok, Russian Federation
Institute of Chemistry and Chemical Technology, Russian Academy of Sciences, Siberian Branch, Krasnoyarsk, Russian Federation

Доп.точки доступа:
Tarasov, A. S.; Тарасов, Антон Сергеевич; Rautskii, M. V.; Рауцкий, Михаил Владимирович; Lukyanenko, A. V.; Volochaev, M. N.; Волочаев, Михаил Николаевич; Eremin, E. V.; Еремин, Евгений Владимирович; Korobtsov, V. V.; Balashev, V. V.; Vikulov, V. A.; Solovyov, L. A.; Соловьев, Леонид Александрович; Volkov, N. V.; Волков, Никита Валентинович

    Magnetite nanoparticles obtained by pulsed laser ablation in liquid
/ V. Svetlichnyi [et al.] // VI Euro-Asian Symposium "Trends in MAGnetism" (EASTMAG-2016) : abstracts / ed.: O. A. Maksimova, R. D. Ivantsov. - Krasnoyarsk : KIP RAS SB, 2016. - Ст. P9.21. - P. 410. - The work was funded by the Ministry of Education and Science of Russia (No.2014/223, code 1347) . - ISBN 978-5-904603-06-9

Кл.слова (ненормированные):
magnetite -- laser ablation -- nanoparticles -- dispersion



Доп.точки доступа:
Svetlichnyi, V.; Светличный В.; Lapin, I. N.; Лапин, И. Н.; Shabalina, A.; Шабалина Анастасия; Velikanov, D. A.; Великанов, Дмитрий Анатольевич; Sokolov, A. E.; Соколов, Алексей Эдуардович; 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

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