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Вид документа : Статья из журнала
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Автор(ы) : Malakhovskii A. V., Sokolov V. V., Gudim I. A.
Заглавие : Magnetic circular dichroism and absorption spectra of f–f transitions 5I8 → 5F2 and 5F3 in the HoFe3(BO3)4 single crystal
Коллективы : Russian Foundation for Basic ResearchRussian Foundation for Basic Research (RFBR) [19-02-00034]; Krasnoyarsk Krai Russian Foundation for Basic Research; Krasnoyarsk Krai Regional Fund of Science [19-42-240003]
Место публикации : Low Temp. Phys. - 2020. - Vol. 46, Is. 7. - P.734-739. - ISSN 1063-777X, DOI 10.1063/10.0001371. - ISSN 1090-6517(eISSN)
Примечания : Cited References: 16. - The study was supported by the Russian Foundation for Basic Research, grant No. 19-02-00034, and also by the Krasnoyarsk Krai Russian Foundation for Basic Research and the Krasnoyarsk Krai Regional Fund of Science as part of project No. 19-42-240003 on "The influence of the local environment on the magneto-optical properties of f-f transitions in rare-earth aluminoborates and ferroborates"
Предметные рубрики: MAGNETOOPTICAL ACTIVITY
ELECTRON-STRUCTURE
ERFE3(BO3)4
Аннотация: Magnetic circular dichroism (MCD) and absorption spectra of multiferroic HoFe3(BO3)4 of 5I8 → 5F2 and 5F3 f–f transitions are measured at T = 90 K. The absorption spectra are expanded into Lorentzian components, and the transition intensities are obtained. The Zeeman splitting of some transitions is determined using the MCD and absorption spectra. The MCD spectra and Zeeman splitting are theoretically analyzed in the free-atom |J, ±MJ〉wave function approximation by using the concept of a crystalline quantum number. An inconsistency is revealed when this concept is applied to ions with an integer moment, and a modification of the concept is proposed. Anomalously intense vibronic repetitions of electronic transitions from excited sublevels of the ground multiplet are found.
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