Spreadsheet based analysis of Mössbauer spectra

• Published in: Hyperfine interactions 2016-12, Vol.237 (1), p.1-6, Article 79
• Main Author: Gunnlaugsson, H. P.
• Format: Article
• Language: English
• Subjects: 13-18 September 2015; Atomic; Condensed Matter Physics; Data analysis; Doppler effect; Error analysis; Germany; Hadrons; Hamburg; Heavy Ions; Mathematical models; Molecular; Mossbauer spectroscopy; Nuclear Physics; Optical and Plasma Physics; Parameters; Physics; Physics and Astronomy; Proceedings of the International Conference on the Applications of the Mössbauer Effect (ICAME 2015); Spectra; Spectrum analysis; Spreadsheets; Surfaces and Interfaces; Thin Films
• ISSN: 0304-3843; 1572-9540
• DOI: 10.1007/s10751-016-1271-z

Using spreadsheet programs to analyse spectral data opens up new possibilities in data analysis. The spreadsheet program contains all the functionality needed for graphical support, fitting and post processing of the results. Unconventional restrictions between fitting parameters can be set up freely, and simultaneous analysis i.e. analysis of many spectra simultaneously in terms of model parameters is straightforward. The free program package Vinda – used for analysing Mössbauer spectra – is described. The package contains support for reading data, calibration, and common functions of particular importance for Mössbauer spectroscopy ( f -factors, second order Doppler shift etc.). Methods to create spectral series and support for error analysis is included. Different types of fitting models are included, ranging from simple Lorentzian models to complex distribution models.