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Magnetoresonance properties of antiferromagnetic TbFe3( BO3)(4) at low temperatures / V. A. Bedarev [et al.] // Low Temp. Phys. - 2013. - Vol. 39, Is. 2. - P. 167-171 ; Физика низких температур, DOI 10.1063/1.4792134. - Cited References: 11 . - ISSN 1063-777X

РУБ Physics, Applied

Аннотация: The magnetic resonance and field dependence of magnetization were studied in a single crystal of TbFe3(BO3)(4) at temperatures from 2 to 13K and frequencies from 18 to 142 GHz. Two pairs of lines with different intensities were found in the EPR spectrum. The found lines can be assigned to two types of centers: the Tb3+ ions which neighbor with the Bi and Mo growth impurities. The initial splitting of the lowest quasi-doublet of such Tb3+ ions by the crystal field and exchange field acting on the rare-earth ions from the iron sublattices were determined. The amount of these centers was estimated. (C) 2013 American Institute of Physics. [http://dx.doi.org/10.1063/1.4792134]

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Публикация на русском языке Магниторезонансные свойства антиферромагнетика TbFe3(BO3)4 при низких температурах [Текст] / В. А. Бедарев [и др.] // Low Temperature Physics. - 2013. - Vol. 39 No. 2.- P.219-224 ; Физика низких температур

Держатели документа:
Natl Acad Sci Ukraine, B Verkin Inst Low Temp Phys & Engn, UA-61103 Kharkov, Ukraine
Russian Acad Sci, Siberian Dept, LV Kirensky Phys Inst, Krasnoyarsk 660036, Russia

Доп.точки доступа:
Bedarev, V. A.; Paschenko, M. I.; Kobets, M. I.; Dergachev, K. G.; Paschenko, V. A.; Bludov, A. N.; Khatsko, E. N.; Gnatchenko, S. L.; Bezmaternykh, L. N.; Безматерных, Леонард Николаевич; Temerov, V. L.; Темеров, Владислав Леонидович

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Magnetoresonance properties of three-layer Co/Ge/Co films / G. S. Patrin [et al.] // Phys. Solid State. - 2016. - Vol. 58, Is. 5. - P. 1034-1040, DOI 10.1134/S1063783416050206. - Cited References:20. - This study was performed in the framework of the State Task of the Ministry of Education and Science of the Russian Federation to the Siberian Federal University (task no. 3.2534.2014/K) and was supported by the Russian Federation for Basic Research (project no. 14-02-00238-a). . - ISSN 1063-7834. - ISSN 1090-6460

РУБ Physics, Condensed Matter
Рубрики:
Magnetic-properties
   Multilayers
   Spacer
   Layers
Аннотация: Three-layer Co/Ge/Co films have been studied using electron magnetic resonance. It has been established that the resonance spectrum of the film is a superposition of two Lorentzian lines. It has been found that the anisotropy induced at the cobaltaEuro'germanium interface makes the main contribution to the resonance spectrum and determines its features. The temperature dependences of the anisotropy field and the parameters of the interlayer exchange have been measured. The interlayer interactions exhibit an antiferromagnetic character and have been explained in terms of a model similar to the description of superexchange in magnetic dielectrics.

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Публикация на русском языке Магниторезонансные свойства трехслойных пленок Co/Ge/Co [Текст] / Г. С. Патрин [и др.] // Физ. тверд. тела : Физико-технический институт им. А. Ф. Иоффе РАН, 2016. - Т. 58 Вып. 5. - С. 1000-1006

Держатели документа:
Russian Acad Sci, Siberian Branch, Kirensky Inst Phys, Akad 50-38, Krasnoyarsk 660036, Russia.
Siberian Fed Univ, Pr Svobodny 79, Krasnoyarsk 660041, Russia.

Доп.точки доступа:
Patrin, G. S.; Патрин, Геннадий Семёнович; Kobyakov, A. V.; Кобяков, Александр Васильевич; Turpanov, I. A.; Турпанов, Игорь Александрович; Patrin, K. G.; Патрин, Константин Геннадьевич; Rautskii, M. V.; Рауцкий, Михаил Владимирович; Russian Federation for Basic Research [14-02-00238-a]
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Antiferromagnetic Resonance and Dielectric Properties of Rare-earth Ferroborates in the Submillimeter Frequency Range / A. M. Kuz'menko [et al.] // J. Exp. Theor. Phys. - 2011. - Vol. 113, Is. 1. - P. 113-120, DOI 10.1134/S106377611105013X. - Cited References: 27. - This work was supported by the Russian Foundation for Basic Research, project no. 10-02-00846. . - ISSN 1063-7761

РУБ Physics, Multidisciplinary
Рубрики:
GDFE3(BO3)(4)
SPECTROSCOPY
CRYSTAL
Кл.слова (ненормированные):
Antiferromagnetic resonance -- Basic parameters -- Effective anisotropy constant -- Ferroborates -- Ferroics -- Ferromagnetic orderings -- Frequency ranges -- Magnetic interactions -- Magnetoresonance -- Millimeter frequency range -- Rare earth ions -- Submillimeters -- Antiferromagnetic materials -- Crystallography -- Erbium -- Europium -- Ferromagnetic resonance -- Ion exchange -- Magnetic anisotropy -- Magnetic devices -- Magnetic structure -- Permittivity -- Resonance -- Antiferromagnetism
Аннотация: The magnetoresonance and dielectric properties of a number of crystals of a new family of multiferroics, namely, rare-earth ferroborates RFe(3)(BO(3))(4) (R = Y, Eu, Pr, Tb, Tb(0.25)Er(0.75)), are studied in the submillimeter frequency range (nu = 3-20 cm(-1)). Ferroborates with R = Y, Tb, and Eu exhibit permittivity jumps at temperatures of 375, 198, and 58 K, respectively, which are caused by the R32 -> P3(1)2(1) phase transition. Antiferromagnetic resonance (AFMR) modes in the subsystem of Fe(3+) ions are detected in the range of antiferromagnetic ordering (T < T(N) = 30-40 K) in all ferroborates that have either an easy-plane (Y, Eu) or easy-axis (Pr, Tb, Tb(0.25)Er(0.75)) magnetic structure. The AFMR frequencies are found to depend strongly on the magnetic anisotropy of a rare-earth ion and its exchange interaction with the Fe subsystem, which determine the type of magnetic structure and the sign and magnitude of an effective anisotropy constant. The basic parameters of the magnetic interactions in these ferroborates are found, and the magnetoelectric contribution to AFMR is analyzed.

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Держатели документа:
[Kuz'menko, A. M.
Mukhin, A. A.
Ivanov, V. Yu.
Lebedev, S. P.] Russian Acad Sci, Inst Gen Phys, Moscow 119991, Russia
[Kadomtseva, A. M.] Moscow MV Lomonosov State Univ, Moscow 119991, Russia
[Bezmaternykh, L. N.] Russian Acad Sci, LV Kirensky Phys Inst, Siberian Branch, Krasnoyarsk 660036, Russia
ИФ СО РАН
Institute of General Physics, Russian Academy of Sciences, ul. Vavilova 38, Moscow, 119991, Russian Federation
Moscow State University, Moscow, 119991, Russian Federation
Kirensky Institute of Physics, Siberian Branch, Russian Academy of Sciences, Akademgorodok, Krasnoyarsk, 660036, Russian Federation

Доп.точки доступа:
Kuz'menko, A. M.; Mukhin, A. A.; Ivanov, V. Y.; Kadomtseva, A. M.; Lebedev, S. P.; Bezmaternykh, L. N.; Безматерных, Леонард Николаевич
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PATRIN, G. S.
LOW-TEMPERATURE MAGNETORESONANCE STUDIES OF PHOTOINDUCED MAGNETISM IN ALPHA-FE2O3-CO, SI / G. S. PATRIN, G. A. PETRAKOVSKII, N. V. VOLKOV // Fiz. Tverd. Tela. - 1988. - Vol. 30, Is. 6. - P. 1851-1853. - Cited References: 8 . - ISSN 0367-3294

РУБ Physics, Condensed Matter

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Доп.точки доступа:
PETRAKOVSKII, G. A.; VOLKOV, N. V.
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Magnetic and magnetoresonance properties of initial and quenched spiral antiferromagnet LiCu2O4 [Text] / Pankrats A., Petrakovskii G. [и др.] // Moscow Int. Symp. on Magnet. (MISM-2008) : June 20-25, 2008, Moscow : book of abstract. - 2008. - Ст. 24PO-7-75. - p. 690. - Библиогр.: 2

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Доп.точки доступа:
Pankrats, A. I.; Панкрац, Анатолий Иванович; Petrakovskii, G. A.; Петраковский, Герман Антонович; Sablina, K. A.; Саблина, Клара Александровна; Popov, M.; Szymczak, R.; Moscow International Symposium on Magnetism(4 ; 2008 ; Jun. ; Moscow); Московский государственный университет им. М.В. Ломоносова; Российский фонд фундаментальных исследований
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