The Creation of Complex Multi-Component Models of Mössbauer Spectra Based on the Example of a Study of Hyperfine Interactions in Quasi-Binary Alloys with the Laves Phase Structure

In this paper, we describe a method for creating new custom models of partial Mössbauer spectra based on the existing ones built into the SpectrRelax program without changing the program itself by writing code fragments in the built-in Lua programming language. The extension of the capabilities of t...

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Bibliographic Details
Published in:Physics of metals and metallography 2023-03, Vol.124 (3), p.279-284
Main Authors: Matsnev, M. E., Rusakov, V. S.
Format: Article
Language:English
Subjects:
Alloys
Aluminum
Anisotropy
Binary alloys
Chemistry and Materials Science
Diffusion
Laves phase
Magnetic fields
Magnetization
Manganese
Materials Science
Metallic Materials
Mossbauer spectroscopy
Phase Transformations
Programming languages
Solid phases
Specialty metals industry
Spectra
Structure
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Summary:In this paper, we describe a method for creating new custom models of partial Mössbauer spectra based on the existing ones built into the SpectrRelax program without changing the program itself by writing code fragments in the built-in Lua programming language. The extension of the capabilities of the SpectrRelax program is demonstrated using the example of studying hyperfine interactions of 57 Fe nuclei in quasibinary Tb(Fe 0.8 Al 0.2 ) 2 and Ho(Fe 0.8 Mn 0.2 ) 2 alloys with the C15 Laves phase structure. A model for processing the spectra, which simultaneously takes the composite and magnetic nonequivalence of the positions of Fe atoms in these alloys, has been created and used, which makes it possible to obtain new data about the orientation of the axis of the easiest magnetization, the anisotropy of the hyperfine magnetic field, and the effect of substitution of Al and Mn atoms for Fe atoms on hyperfine parameters of Mössbauer spectra.
ISSN:0031-918X
1555-6190
DOI:10.1134/S0031918X22602165