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

被引:1
作者
Matsnev, M. E. [1 ]
Rusakov, V. S. [1 ]
机构
[1] Moscow MV Lomonosov State Univ, Moscow 119991, Russia
关键词
Mossbauer spectroscopy; SpectrRelax program; Laves cubic phase; rare-earth intermetallics; hyperfine interactions; FIELDS;
D O I
10.1134/S0031918X22602165
中图分类号
TF [冶金工业];
学科分类号
0806 ;
摘要
In this paper, we describe a method for creating new custom models of partial Mossbauer 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 Fe-57 nuclei in quasibinary Tb(Fe0.8Al0.2)(2) and Ho(Fe0.8Mn0.2)(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 Mossbauer spectra.
引用
收藏
页码:279 / 284
页数:6
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