The Parameters of the Hyperfine Structure of 57Fe Nuclei
in FeBO3 and Fe0.91Ga0.09BO3 Single Crystals

N. I. Snegirev; Снегирёв Н. И.; S. S. Starchikov; Старчиков С. С.; I. S. Lyubutin; Любутин И. С.; M. A. Chuev; Чуев М. А.; S. V. Yagupov; Ягупов С. В.; M. B. Strugatskii; Стругацкий М. Б.

doi:10.31857/S001532302260143X

The Parameters of the Hyperfine Structure of 57Fe Nuclei in FeBO3 and Fe0.91Ga0.09BO3 Single Crystals

Авторлар: Snegirev N.I.¹, Starchikov S.S.², Lyubutin I.S.², Chuev M.A.³, Yagupov S.V.⁴, Strugatskii M.B.⁴
Мекемелер:
1. Shubnikov Institute of Crystallography, Crystallography, and Photonics Federal Research Center, Russian Academy of Sciences
2. Shubnikov Institute of Crystallography, Crystallography, and Photonics Federal Research Center, Russian Academy of Sciences
3. Valiev Institute of Physics and Technology, Russian Academy of Sciences
4. Institute of Physics and Technology, Vernadsky Crimean Federal University
Шығарылым: Том 124, № 4 (2023)
Беттер: 368-374
Бөлім: ЭЛЕКТРИЧЕСКИЕ И МАГНИТНЫЕ СВОЙСТВА
URL: https://journals.rcsi.science/0015-3230/article/view/139400
DOI: https://doi.org/10.31857/S001532302260143X
EDN: https://elibrary.ru/VIBHAW
ID: 139400

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Аннотация
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Аннотация

The parameters of the hyperfine interaction of 57Fe nuclei in single crystals of iron borate FeBO3 and its isostructural solid solution Fe0.91Ga0.09BO3 have been determined by Mössbauer spectroscopy. A theoretical model has been developed to describe resonant transitions of iron nuclei in the approximation of a combined magnetic dipole and electric quadrupole hyperfine interaction, taking into account the statistical distribution of Ga and Fe over octahedral positions in the Fe0.91Ga0.09BO3 crystal. It has been established that even a low Ga concentration leads to a significant change in the hyperfine structure of the 57Fe nuclei in
FeBO3, which manifests itself in the appearance of additional components in the Mössbauer spectra of the Fe0.91Ga0.09BO3 single crystal.

Негізгі сөздер

iron borate, single crystals, magnetic properties, Mössbauer effect, theoretical analysis

Әдебиет тізімі

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