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Вид документа : Статья из журнала
Шифр издания :
Автор(ы) : Vorotynov A. M., Ovchinnikov S. G., Rudenko V. V., Vorotynova O. V.
Заглавие : Electron paramagnetic resonance of Cr3+ ions in ABO3 (A = Sc, Lu, In) diamagnetic crystals
Место публикации : J. Exp. Theor. Phys.: MAIK Nauka-Interperiodica / Springer, 2016. - Vol. 122, Is. 4. - P.734-737. - ISSN 1063-7761, DOI 10.1134/S1063776116040087. - ISSN 1090-6509(eISSN)
Примечания : Cited References:11
Предметные рубрики: Spin-resonance
Pairs
Anisotropy
CrBO3
VBO3
Аннотация: A magnetic resonance method is applied to the investigation of a number of isostructural diamagnetic compounds ABO3 (A = Sc, Lu, In) with small additions of Cr3+ ions (S = 3/2) sufficient to observe single-ion spectra. It is shown that the resonance spectra for isolated Cr3+ ions can be described to a good accuracy by the ordinary axial spin Hamiltonian for 3d ions in octahedral oxygen environment. The parameters of the spin Hamiltonian are determined. It is established that Cr3+ ions in these crystals are characterized by easy-axis-type anisotropy.
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Вид документа : Статья из журнала
Шифр издания :
Автор(ы) : Bayukov O. A., Abd-Elmeguid M. M., Ivanova N. B., Kazak N. V., Ovchinnikov S. G., Rudenko V. V.
Заглавие : Mossbauer effect study in Fe1-xVxBO3 solid solutions
Место публикации : Phys. Solid State: AMER INST PHYSICS, 2004. - Vol. 46, Is. 6. - P1088-1094. - ISSN 1063-7834, DOI 10.1134/1.1767250
Примечания : Cited References: 28. - One of the authors (M.M. A.-E.) would like to thank the Deutsche Forschungsgemeinschaft for financial support (SFB 608). This study was supported by the Russian Foundation for Basic Research (project no. 03-02-16286) and the federal program “Integration” (project no. Б0017)
Предметные рубрики: MAGNETO-OPTICAL PROPERTIES
FEBO3 SINGLE-CRYSTALS
FERRIC BORATE
CALCITE STRUCTURE
IRON BORATE
TEMPERATURE
FIELD
SPECTRA
FE3BO6
CRBO3
Аннотация: The Mossbauer effect in the Fe1 - xVxBO3 solid solutions has been measured at 130 and 300 K. The Fe0.05V0.95BO3 composition was studied in the interval 4.2-300 K. The experimental data obtained are described in terms of the model of a dilute magnetic insulator in which atoms of the first coordination sphere provide a major contribution to the hyperfine field at iron nucleus sites. It was found that, at low temperatures, the field H-hf is generated primarily by the iron ion itself and depends only weakly on substitution. The hyperfine interaction parameters in the discrete configuration series 6Fe, 5Fe1V, 4Fe2V, 3Fe3V, and 2Fe4V were determined. The magnitude of the isomer shift suggests that iron in the crystal resides in the trivalent state. (C) 2004 MAIK "Nauka/Interperiodica".
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Вид документа : Статья из журнала
Шифр издания :
Автор(ы) : Kazak N. V., Potseluyko A. M., Ovchinnikov S. G., Alexandrovsky A. S., Chernov V. A., Rudenko V. V.
Заглавие : EXAFS study of Fe1-xVxBO3 system
Разночтения заглавия :авие SCOPUS: EXAFS study of Fe1 - x Vx BO3 system
Место публикации : Physica B: ELSEVIER SCIENCE BV, 2006. - Vol. 378-80: International Conference on Strongly Correlated Electron Systems (SECES 05) (JUL 26-30, 2005, Vienna, AUSTRIA). - P327-329. - ISSN 0921-4526, DOI 10.1016/j.physb.2006.01.119
Примечания : Cited References: 10
Предметные рубрики: MANY-ELECTRON MODEL
CALCITE STRUCTURE
BAND-STRUCTURE
FEBO3
VBO3
TRANSITION
CRBO3
Ключевые слова (''Своб.индексиров.''): strongly correlated electron systems--x-ray absorption spectra--transition-metal compounds--strongly correlated electron systems--transition-metal compounds--x-ray absorption spectra--absorption--atomic force microscopy--solid solutions--transition metal compounds--x ray analysis--strongly correlated electron systems--x-ray absorption spectra--iron compounds
Аннотация: The room-temperature EXAFS measurements have been made on FeBO3 and VBO3, as well as on Fe1-xVxBO3 series with concentration x=0.13,0.3, and 0.95. The first-shell Me-O bond lengths deduced from EXAFS have shown a compositional independence. It has been found that Fe1-xVxBO3 forms solid solutions with random distribution of Fe3+ and V3+ ions. (c) 2006 Elsevier B.V. All rights reserved.
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