Magnetic circular dichroism and absorption spectra of f - F transitions 5i 8→ 5F 2and 5F 3in the HoFe3(BO3)4single crystal

A. V. Malakhovskii; V. V. Sokolov; I. A. Gudim

doi:10.1063/10.0001371

Magnetic circular dichroism and absorption spectra of f - F transitions ⁵i ₈→ ⁵F ₂and ⁵F ₃in the HoFe₃(BO₃)₄single crystal

A. V. Malakhovskii, V. V. Sokolov, I. A. Gudim

RAS - Kirensky Institute of Physics, Siberian Branch

Research output: Contribution to journal › Article › peer-review

5 Scopus citations

Abstract

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.

Original language	English
Pages (from-to)	734-739
Number of pages	6
Journal	Low Temperature Physics
Volume	46
Issue number	7
DOIs	https://doi.org/10.1063/10.0001371
State	Published - 1 Jul 2020
Externally published	Yes

Bibliographical note

Publisher Copyright:
© 2020 Author(s).

Funding

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

Funders	Funder number
Krasnoyarsk Krai Regional Fund of Science	19–42–240003
Krasnoyarsk Krai Russian Foundation for Basic Research
Russian Foundation for Basic Research	19–02–00034

Access to Document

10.1063/10.0001371

Cite this

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abstract = "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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