Visualization and analysis of large neutron diffraction data arrays measured in real time

Abstract

Software that is required for the preliminarily analysis and mathematical processing of large neutron diffraction data arrays obtained when studying transient processes in crystals is developed. It includes programs for the visualization of 2D information arrays obtained using neutron TOF (time-of-flight) diffractometers with the time-of-flight scanning of spectra and a program package that makes it possible to analyze changes in the atomic structure of a sample during the transient process in the automatic mode. The results of this analysis are dependences of the structural characteristics of crystallographic phases existing or produced during phase transitions on the time (or on the external conditions). If required, it is possible to perform the analysis of data measured using diffractometers with a monochromatic neutron beam and the scattering- angle scan by means of application of the program package.