There are several software options that can be used for refining X-ray diffraction (XRD) data for magnetic materials. Some popular options include:
FullProf Suite: FullProf Suite is a comprehensive software package that includes a range of tools for refining XRD data, including tools for analyzing magnetic materials. The software includes a wide range of refinement algorithms and allows users to fit multiple structural models simultaneously.
GSAS-II: GSAS-II is another popular software package for refining XRD data, including data for magnetic materials. The software includes a range of refinement algorithms, including Rietveld refinement, and allows users to fit multiple structural models simultaneously.
MAUD: MAUD (Materials Analysis Using Diffraction) is a software package specifically designed for analyzing XRD data for magnetic materials. The software includes a range of tools for refining XRD data and allows users to fit multiple structural models simultaneously.
Ultimately, the best software for refining XRD data for magnetic materials will depend on the specific requirements of your analysis and your personal preferences. It may be helpful to try out several different software options and see which one works best for your needs.