MuMag2022: a software tool for analyzing magnetic field dependent unpolarized small-angle neutron scattering data of bulk ferromagnets

被引：1
|
作者：
Adams, Michael P. [1 ]
Bersweiler, Mathias [1 ]
Jefremovas, Elizabeth M. [2 ]
Michels, Andreas [1 ]
机构：
[1] Univ Luxembourg, Dept Phys & Mat Sci, L-1511 Luxembourg, Luxembourg
[2] Univ Cantabria, Fac Ciencias, Dept CITIMAC, Santander 39005, Spain
来源：
JOURNAL OF APPLIED CRYSTALLOGRAPHY | 2022年 / 55卷
关键词：
small-angle neutron scattering; micromagnetism; magnetic materials; nanocomposites;
D O I：
10.1107/S1600576722005349
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
The MATLAB-based software tool MuMag2022 is presented for the analysis of magnetic-field-dependent unpolarized small-angle neutron scattering (SANS) data of bulk ferromagnets such as elemental nanocrystalline ferromagnets, magnetic nanocomposites or magnetic steels. On the basis of the micromagnetic theory for the magnetic SANS cross section, the program analyzes unpolarized total (nuclear and magnetic) SANS data within the approach-to-saturation regime. The main features of MuMag2022 are the estimation of the exchange-stiffness constant, and of the strength and spatial structure of the magnetic anisotropy field and the magnetostatic field due to longitudinal magnetization fluctuations. MuMag2022 is open source and available as a standalone executable for Windows at https://mumag.uni.lu.
引用
收藏
页码：1055 / 1062
页数：8
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