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

The parameters of the hyperfine interaction of 57 Fe nuclei in single crystals of iron borate FeBO 3 and its isostructural solid solution Fe 0.91 Ga 0.09 BO 3 have been determined by Mössbauer spectroscopy. A theoretical model has been developed to describe resonant transitions of iron nuclei in the...

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Bibliographic Details
Published in:Physics of metals and metallography 2023-04, Vol.124 (4), p.349-354
Main Authors: Snegirev, N. I., Starchikov, S. S., Lyubutin, I. S., Chuev, M. A., Yagupov, S. V., Strugatskii, M. B.
Format: Article
Language:English
Subjects:
Chemistry and Materials Science
Electrical and Magnetic Properties
Hyperfine structure
Iron
Iron 57
Magnetic dipoles
Materials Science
Metallic Materials
Mossbauer spectroscopy
Nuclei
Parameters
Quadrupole interaction
Quadrupoles
Single crystals
Solid solutions
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Summary:The parameters of the hyperfine interaction of 57 Fe nuclei in single crystals of iron borate FeBO 3 and its isostructural solid solution Fe 0.91 Ga 0.09 BO 3 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 Fe 0.91 Ga 0.09 BO 3 crystal. It has been established that even a low Ga concentration leads to a significant change in the hyperfine structure of the 57 Fe nuclei in FeBO 3 , which manifests itself in the appearance of additional components in the Mössbauer spectra of the Fe 0.91 Ga 0.09 BO 3 single crystal.
ISSN:0031-918X
1555-6190
DOI:10.1134/S0031918X23600264