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    Иванова, Оксана Станиславовна.
    Наночастицы феррита марганца в матрице боратного стекла [Рукопись] : дис. на соиск. уч. степени канд. физ.-мат. наук : 01.04.11 : защищена 21.12.2007 / О. С. Иванова ; науч. рук. И. С. Эдельман ; Рос. акад. наук, Сиб. отд-ние, Ин-т физики им. Л.В. Киренского. - Красноярск, 2007. - 126 с. - Библиогр. 137 назв. -

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29.19.37

ББК В373.3я031

Держатели документа:
Библиотека Института физики им. Л. В. Киренского СО РАН
Доп.точки доступа:
Эдельман, Ирина Самсоновна \науч. рук.\; Edelman, I. S.; Ivanova, O.S.; Российская академия наук; Сибирское отделение РАН; Институт физики им. Л.В. Киренского Сибирского отделения РАН
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Ensembles OF[[d]]γ[[/d]]-Fe[[d]]2[[/d]]O[[d]]3[[/d]] nanoparticles formed during devitrification of borate glasses [Текст] / O. S. Ivanova [и др.] // V Euro-Asian simposium "Trend in MAGnetism": Nanomagnetism : abstracts. - Vladivostok : FEFU, 2013. - P138 . - ISBN 978-5-7444-3124-2

Доп.точки доступа:
Ivanova, O. S.; Иванова, Оксана Станиславовна; Edelman, I. S.; Эдельман, Ирина Самсоновна; Ivantsov, R. D.; Иванцов, Руслан Дмитриевич; Petrakovskaya, E. A.; Петраковская, Элеонора Анатольевна; Великанов, Дмитрий Анатольевич; Velikanov, D. A.; Trofimova, N. N.; Трофимова, Н. Н.; Zubavichus, Y. V.; Зубавичус, Я. В.; Euro-Asian Symposium "Trends in MAGnetism": Nanomagnetism(5 ; 2013 ; Sept. ; 15-21 ; Vladivostok)
}
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Magnetic nanoparticles formed in glasses co-doped with iron and larger radius elements / I. S. Edelman [et al.] // J. Appl. Phys. - 2012. - Vol. 112, Is. 8. - Ст. 84331. - P. , DOI 10.1063/1.4759244. - Cited References: 65. - This work was partly supported by the Russian Foundation for Basic Research, Grant Nos. 07-02-92174 RFBR-CNRS and 11-02-00972, and President of Russia Federation Grant No NSh 1044.2012.2. A. Artemenko acknowledges financial support from the Marie Curie International Incoming Fellowship within the 7th European Community Framework Programme (EPREXINA, GA 255662). The synchrotron measurements were supported via the Russian federal Contract No. 16.552.11.7003. The authors thank K. P. Polyakova for the preparation of thin films. . - ISSN 0021-8979

РУБ Physics, Applied
Рубрики:
SUPERPARAMAGNETIC RESONANCE
   FERROMAGNETIC-RESONANCE
   TEMPERATURE-DEPENDENCE
   FERRITE NANOPARTICLES
   OXIDE NANOPARTICLES
   FARADAY-ROTATION
   CERAMICS
   ANISOTROPY
   PARTICLES
   SPECTRA
Аннотация: A new type of nanoparticle-containing glasses based on borate glasses co-doped with low contents of iron and larger radius elements, Dy, Tb, Gd, Ho, Er, Y, and Bi, is studied. Heat treatment of these glasses results in formation of magnetic nanoparticles, radically changing their physical properties. Transmission electron microscopy and synchrotron radiation-based techniques: x-ray diffraction, extended x-ray absorption fine structure, x-ray absorption near-edge structure, and small-angle x-ray scattering, show a broad distribution of nanoparticle sizes with characteristics depending on the treatment regime; a crystalline structure of these nanoparticles is detected in heat treated samples. Magnetic circular dichroism (MCD) studies of samples subjected to heat treatment as well as of maghemite, magnetite, and iron garnet allow to unambiguously assign the nanoparticle structure to maghemite, independently of co-dopant nature and of heat treatment regime used. Different features observed in the MCD spectra are related to different electron transitions in Fe3+ ions gathered in the nanoparticles. The static magnetization in heat treated samples has non-linear dependence on the magnetizing field with hysteresis. Zero-field cooled magnetization curves show that at higher temperatures the nanoparticles occur in superparamagnetic state with blocking temperatures above 100 K. Below ca. 20 K, a considerable contribution to both zero field-cooled and field-cooled magnetizations occurs from diluted paramagnetic ions. Variable-temperature electron magnetic resonance (EMR) studies unambiguously show that in as-prepared glasses paramagnetic ions are in diluted state and confirm the formation of magnetic nanoparticles already at earlier stages of heat treatment. Computer simulations of the EMR spectra corroborate the broad distribution of nanoparticle sizes found by "direct" techniques as well as superparamagnetic nanoparticle behaviour demonstrated in the magnetization studies. (C) 2012 American Institute of Physics. [http://dx.doi.org/10.1063/1.4759244]

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Держатели документа:
[Edelman, I.
Ivanova, O.
Ivantsov, R.
Velikanov, D.
Zabluda, V.] LV Kirensky Inst Phys SB RAS, Krasnoyarsk 660036, Russia
[Zubavichus, Y.
Veligzhanin, A.] NRC Kurchatov Inst, Moscow 123182, Russia
[Zaikovskiy, V.] Siberian Branch RAS, Boreskov Inst Catalysis, Novosibirsk 630090, Russia
[Stepanov, S.] SI Vavilov State Opt Inst, St Petersburg, Russia
[Artemenko, A.] CNRS, ICMCB, UPR 9048, F-33608 Pessac, France
[Curely, J.
Kliava, J.] Univ Bordeaux 1, CNRS, UMR 5798, LOMA, F-33405 Talence, France

Доп.точки доступа:
Edelman, I. S.; Эдельман, Ирина Самсоновна; Ivanova, O. S.; Иванова, Оксана Станиславовна; Ivantsov, R. D.; Иванцов, Руслан Дмитриевич; Velikanov, D. A.; Великанов, Дмитрий Анатольевич; Zabluda, V. N.; Заблуда, Владимир Николаевич; Zubavichus, Y.; Veligzhanin, A. A.; Zaikovskiy, V. I.; Stepanov, S.; Artemenko, A.; Curely, J.; Kliava, J.
}
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Magnetic properties and morphology of manganese ferrite nanoparticles in glasses / I. Edelman [et al.] // IOP Conf. Ser.: Mater. Sci. Eng. - 2011. - Vol. 25, Is. 1. - Ст. 012017, DOI 10.1088/1757-899X/25/1/012017
Кл.слова (ненормированные):
Average diameter -- Borate glass -- Co-doped -- Electron magnetic resonance -- Magnetic and magneto-optical properties -- Magnetic behaviour -- Magnetic circular dichroisms -- Magnetic nanoparticles -- Magnetically ordered material -- Manganese ferrite nanoparticles -- Manganese ferrites -- Morphological characteristic -- Paramagnetic ions -- Resonance field -- Size and shape -- Static magnetization -- Temperature dependence -- Temperature dependent -- Variable temperature -- Visible and near infrared -- Alumina -- Dichroism -- Ferrite -- Glass -- Iron oxides -- Magnetic properties -- Magnetic resonance -- Magnetocrystalline anisotropy -- Manganese -- Manganese oxide -- Nanoparticles -- Paramagnetism -- Silicates -- Spectroscopy -- Nanomagnetics
Аннотация: Static magnetization (SM), magnetic circular dichroism (MCD) and electron magnetic resonance (EMR) studies are reported of borate glasses 22.5 K 2O-22.5 Al 2O 3-55 B 2O 3 co-doped with iron and manganese oxides. In as-prepared glasses the paramagnetic ions usually are in diluted state; however, if the ratio of the iron and manganese oxides in the charge is 3/2, magnetic nanoparticles are found already in as-prepared glass. After additional thermal treatment all glasses show magnetic behaviour, MCD and EMR due to the presence of magnetic nanoparticles with characteristics close to those of manganese ferrite. By computer simulating the EMR spectra at variable temperatures, their morphological characteristics are deduced: relatively broad size and shape distribution with average diameter of ca. 3-4 nm. The characteristic temperature-dependent shift of the apparent resonance field is explained by a strong temperature dependence of the magnetocrystalline anisotropy in the nanoparticles. The potassium-alumina-borate glasses containing magnetic nanoparticles represent a novel class of materials: "transparent magnets". Indeed, they remain transparent in a part of visible and near infrared spectral range while showing magnetic and magneto-optical properties characteristic of magnetically ordered materials.

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Доп.точки доступа:
Edelman, I. S.; Эдельман, Ирина Самсоновна; Ivanova, O. S.; Иванова, Оксана Станиславовна; Ivantsov, R. D.; Иванцов, Руслан Дмитриевич; Velikanov, D. A.; Великанов, Дмитрий Анатольевич; Petrakovskaja, E. A.; Петраковская, Элеонора Анатольевна; Artemenko, A.; Curely, J.; Kliava, J.; Zaikovskiy, V. I.; Stepanov, S.; Baltic Conference on Silicate Materials(5 ; 2011 ; May ; 23-25 ; Riga, Latvia)
}
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Transperant nanomagnetic materials based on borate glasses co-doped with iron, manganese and rare-earth elements / I. Edelman [et al.] // XI International Conference on Nanostructured Materials. - 2012. - P.

Доп.точки доступа:
Edelman, I. S.; Эдельман, Ирина Самсоновна; Ivanova, O. S.; Иванова, Оксана Станиславовна; Ivantsov, R. D.; Иванцов, Руслан Дмитриевич; Petrakovskaja, E. A.; Петраковская, Элеонора Анатольевна; Velikanov, D. A.; Великанов, Дмитрий Анатольевич; Zabluda, V. N.; Заблуда, Владимир Николаевич; Hennet, L.; Thiaudiere, D.; Saboungi, M.-L.; Zubavichus, Y. V.; Veligzhanin, A. A.; Zaikovskiy, V. I.; Stepanov, S.; Curély, J.; Kliava, J.; International Conference on Nanostructured Materials (11 ; 2012 ; August ; 26 – 31 ; Rhodes, Greece)
}
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Structural investigation of glasses with magnetic nanoprecipitates / N. N. Trofimova [et al.] // RACIRI Summer School "Adv. Mater. Design at X-ray and Neutron Facilities: Soft Matter and Nano Composites" : Book of abstracts. - St. Petersburg, 2013. - P. 91-92 . - ISBN 978-5-98340-315-4

Материалы школы

Доп.точки доступа:
Trofimova, N. N.; Edelman, I. S.; Эдельман, Ирина Самсоновна; Ivanova, O. S.; Иванова, Оксана Станиславовна; Ivantsov, R. D.; Иванцов, Руслан Дмитриевич; Petrakovskaja, E. A.; Петраковская, Элеонора Анатольевна; Velikanov, D. A.; Великанов, Дмитрий Анатольевич; Zabluda, V. N.; Заблуда, Владимир Николаевич; Zubavichus, Y. V.; "Advanced Materials Design at X-ray and Neutron Facilities: Soft Matter and Nano Composites", RACIRI Summer School (2013 ; Aug. 17-25 ; Saint Petersburg, Russia)
}
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Heat treatment stimulation of the magnetic nanoparticles formation in borate glasses doped with transition elements / I. Edelman [et al.] // Heat Treat.: Theory, Tech. and Appl. : Chapter. - New York : Nova Science Publishers, 2011. - P. 225-239 . - ISBN 978-161728348-2
Аннотация: Evolution of the magnetic nanoparticles characteristics in glasses of the system 22.5 Al2O3 - 22.5 K2O - 55 B2O3 co-doped with Fe2O3 and MnO simultaneous is studied at different stages of the post-synthesis heat treatment with transmission electron microscopy (TEM) images, selected area electron diffraction (SAED), energy dispersive X-ray analysis (EDAX), and magneto-optical Faraday rotation (FR). Heat treatment of the glasses results in substantial changes of their structure and properties: ferrite nanoparticles of different size, composition, and structure arise in glass matrices. For several series of glasses with the same composition and molar concentration of the paramagnetic additions, the heat treatment regimes (temperature and duration) have been shown to be the main factors controlling the particle size and the order in the crystallite arrangements. Ensembles of particles in theirs turn determine magnetic and magneto-optical properties of glass as a whole. A correlation between the characteristics of nanoparticles and the heat treatment regimes is discussed qualitatively.

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Держатели документа:
Kirensky Institute of Physics, Siberian Branch of RAS, Krasnoyarsk, Russian Federation
S. I. Vavilov State Optical Institute, St.Petersburg, Russian Federation
Boreskov Institute of Catalysis, Siberian Branch of RAS, Novosibirsk, Russian Federation

Доп.точки доступа:
Edelman, I. S.; Эдельман, Ирина Самсоновна; Ivanova, O. S.; Иванова, Оксана Станиславовна; Ivantsov, R. D.; Иванцов, Руслан Дмитриевич; Stepanov, S.; Zaikovskiy, V. I.
}
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Ferrite nanoparticles in borate glass matrix: structure and magnetic properties / N. N. Trofimova [et al.] // Moscow Int. Symp. on Magnet. (MISM-2014) : Book of abstracts. - 2014. - Ст. 2PO-I1-2. - P. 745 . - ISBN 978-5-91978-025-0

Book of abstracts

Доп.точки доступа:
Trofimova, N. N.; Zubavichus, Y. V.; Edelman, I. S.; Эдельман, Ирина Самсоновна; Ivanova, O. S.; Иванова, Оксана Станиславовна; Velikanov, D. A.; Великанов, Дмитрий Анатольевич; Petrakovskaya, E. A.; Петраковская, Элеонора Анатольевна; Zaikovskii, V. I.; Московский государственный университет им. М.В. Ломоносова; Moscow International Symposium on Magnetism(6 ; 2014 ; 29 June-3 July ; Moscow)
}
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Ensembles of γ-Fe2O3 nanoparticles formed during devitrification of borate glasses / O. S. Ivanova [et al.] // Solid State Phenom. : Selected, peer reviewed papers. - 2014. - Vol. 215: Trends in Magnetism: Nanomagnetism (EASTMAG-2013). - P. 173-178, DOI 10.4028/www.scientific.net/SSP.215.173. - Cited References: 16 . - ISSN 978-30383. - ISSN 1662-9779
Кл.слова (ненормированные):
Magnetic nanoparticles -- Magneto-optical properties
Аннотация: Structural, magnetic and magneto-optical properties of borate glasses co-doped with Fe and the lager radius ions are presented. Maghemite, ?-Fe2O3, nanoparticles arise in the glasses as a result of their thermal treatment in different regimes. Magnetization FC and ZFC temperature dependences demonstrate the superparamagnetic behavior of the particles with the blocking temperature below the room temperature. The EMR spectra measurements revealed a significant anisotropy with a large contribution of the nanoparticles' surface anisotropy. The FR maximum centered near 700 nm is a characteristic feature of the investigated glasses. © (2014) Trans Tech Publications, Switzerland.

Доп.точки доступа:
Ovchinnikov, S. G. \ed.\; Овчинников, Сергей Геннадьевич; Samardak, A. \ed.\; Ivanova, O. S.; Иванова, Оксана Станиславовна; Edelman, I. S.; Эдельман, Ирина Самсоновна; Ivantsov, R. D.; Иванцов, Руслан Дмитриевич; Petrakovskaja, E. A.; Петраковская, Элеонора Анатольевна; Velikanov, D. A.; Великанов, Дмитрий Анатольевич; Trofimova, N. N.; Zubavichus, Y. V.; Euro-Asian Symposium "Trends in MAGnetism": Nanomagnetism(5 ; 2013 ; sept. ; 15-21 ; Vladivostok)
}
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10.

Magnetic nanoparticles in borate glasses: Identification and sizing / I. S. Edelman [et al.] // International Conference on Optimization of Electrical and Electronic Equipment (OPTIM 2014) : IEEE Computer Society, 2014. - P. 95-104, DOI 10.1109/OPTIM.2014.6850939. - Cited References: 60 . - ISBN 978-1-4799-5183-3
Рубрики:
Engineering, Electrical and Electronic
Кл.слова (ненормированные):
SUPERPARAMAGNETIC RESONANCE -- FERROMAGNETIC-RESONANCE -- FERRITE NANOPARTICLES -- OXIDE NANOPARTICLES -- FARADAY-ROTATION -- CERAMICS -- IRON -- CRYSTALLIZATION -- ANISOTROPY -- PARTICLES
Аннотация: Heat treatment of borate glasses co-doped with low contents of iron and larger radius elements: Dy, Tb, Gd, Ho, Er, Y and Bi results in formation of magnetic nanoparticles, radically changing their physical properties. Transmission electron microscopy and synchrotron radiation-based techniques: XRD, EXAFS, XANES and SAXS, show a broad distribution of nanoparticle sizes with characteristic depending on the treatment regime; a crystalline structure of these nanoparticles is detected in heat treated samples. Magnetic circular dichroism (MCD) studies of samples subjected to heat treatment as well as of maghemite, magnetite and iron garnet allow to unambiguously assigning the nanoparticle structure to maghemite. Different features observed in the MCD spectra are related to different electron transitions in Fe3+ ions gathered in the nanoparticles. Variable-temperature electron magnetic resonance (EMR) studies confirm the formation of magnetic nanoparticles and the identification of their nature. Computer simulations of the EMR spectra corroborate the broad distribution of nanoparticle sizes found by 'direct' techniques. © 2014 IEEE.

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Доп.точки доступа:
Edelman, I. S.; Эдельман, Ирина Самсоновна; Ivanova, O. S.; Иванова, Оксана Станиславовна; Zubavichus, Y.; Trofimova, N. N.; Zaikovskiy, V. I.; Artemenko, A.; Curely, J.; Kliava, J.; Russian Foundation for Basic Research; Russian Foundation for Basic Research; International Conference on Optimization of Electrical and Electronic Equipmen (22 May - 24 May 2014 ; Bran, Romania)
}
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