{"id":8894,"date":"2021-09-20T13:31:47","date_gmt":"2021-09-20T12:31:47","guid":{"rendered":"https:\/\/senngroup.com\/?p=8894"},"modified":"2021-09-20T13:31:47","modified_gmt":"2021-09-20T12:31:47","slug":"sapa_paper","status":"publish","type":"post","link":"https:\/\/senngroup.com\/sapa_paper\/","title":{"rendered":"Symmetry-adapted pair distribution function analysis (SAPA): a novel approach to evaluating lattice dynamics and local distortions from total scattering data"},"content":{"rendered":"
T. A. Bird, A. Herlihy and Mark S. Senn, J. Appl. Cryst. (2021). 54.<\/a><\/p>\n A novel symmetry-adapted pair distribution function analysis (SAPA) method for extracting information on local distortions from pair distribution function data is introduced. The implementation of SAPA is demonstrated in the\u00a0TOPAS-Academic<\/i><\/span>\u00a0software using the freely available online software\u00a0ISODISTORT<\/i><\/span>, and scripts for converting the output from\u00a0ISODISTORT<\/i><\/span>\u00a0to a SAPA input file for\u00a0TOPAS<\/i><\/span>\u00a0are provided. Finally, two examples are provided to show how SAPA can evaluate the nature of both dynamic distortions in ScF3<\/sub><\/span>\u00a0and the distortions which act as an order parameter for the phase transitions in BaTiO3<\/sub><\/span>.<\/p>\n","protected":false},"excerpt":{"rendered":" T. A. Bird, A. Herlihy and Mark S. Senn, J. Appl. Cryst. (2021). 54. A novel symmetry-adapted pair distribution function analysis (SAPA) method for extracting information on local distortions from
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