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A look-up table based approach to characterize crystal twinning for synchrotron X-ray Laue microdiffraction scans

An automated method has been developed to characterize the type and spatial distribution of twinning in crystal orientation maps from synchrotron X-ray Laue microdiffraction results. The method relies on a look-up table approach. Taking into account the twin axis and twin plane for plausible rotatio...

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Detalles Bibliográficos
Autores principales: Li, Yao, Wan, Liang, Chen, Kai
Formato: Online Artículo Texto
Lenguaje:English
Publicado: International Union of Crystallography 2015
Materias:
Acceso en línea:https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4453977/
https://www.ncbi.nlm.nih.gov/pubmed/26089764
http://dx.doi.org/10.1107/S1600576715004896
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author Li, Yao
Wan, Liang
Chen, Kai
author_facet Li, Yao
Wan, Liang
Chen, Kai
author_sort Li, Yao
collection PubMed
description An automated method has been developed to characterize the type and spatial distribution of twinning in crystal orientation maps from synchrotron X-ray Laue microdiffraction results. The method relies on a look-up table approach. Taking into account the twin axis and twin plane for plausible rotation and reflection twins, respectively, and the point group symmetry operations for a specific crystal, a look-up table listing crystal-specific rotation angle–axis pairs, which reveal the orientation relationship between the twin and the parent lattice, is generated. By comparing these theoretical twin–parent orientation relationships in the look-up table with the measured misorientations, twin boundaries are mapped automatically from Laue microdiffraction raster scans with thousands of data points. Taking advantage of the high orientation resolution of the Laue microdiffraction method, this automated approach is also applicable to differentiating twinning elements among multiple twinning modes in any crystal system.
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spelling pubmed-44539772015-06-18 A look-up table based approach to characterize crystal twinning for synchrotron X-ray Laue microdiffraction scans Li, Yao Wan, Liang Chen, Kai J Appl Crystallogr Research Papers An automated method has been developed to characterize the type and spatial distribution of twinning in crystal orientation maps from synchrotron X-ray Laue microdiffraction results. The method relies on a look-up table approach. Taking into account the twin axis and twin plane for plausible rotation and reflection twins, respectively, and the point group symmetry operations for a specific crystal, a look-up table listing crystal-specific rotation angle–axis pairs, which reveal the orientation relationship between the twin and the parent lattice, is generated. By comparing these theoretical twin–parent orientation relationships in the look-up table with the measured misorientations, twin boundaries are mapped automatically from Laue microdiffraction raster scans with thousands of data points. Taking advantage of the high orientation resolution of the Laue microdiffraction method, this automated approach is also applicable to differentiating twinning elements among multiple twinning modes in any crystal system. International Union of Crystallography 2015-04-25 /pmc/articles/PMC4453977/ /pubmed/26089764 http://dx.doi.org/10.1107/S1600576715004896 Text en © Li, Wan and Chen 2015 http://creativecommons.org/licenses/by/2.0/uk/ This is an open-access article distributed under the terms of the Creative Commons Attribution Licence, which permits unrestricted use, distribution, and reproduction in any medium, provided the original authors and source are cited.
spellingShingle Research Papers
Li, Yao
Wan, Liang
Chen, Kai
A look-up table based approach to characterize crystal twinning for synchrotron X-ray Laue microdiffraction scans
title A look-up table based approach to characterize crystal twinning for synchrotron X-ray Laue microdiffraction scans
title_full A look-up table based approach to characterize crystal twinning for synchrotron X-ray Laue microdiffraction scans
title_fullStr A look-up table based approach to characterize crystal twinning for synchrotron X-ray Laue microdiffraction scans
title_full_unstemmed A look-up table based approach to characterize crystal twinning for synchrotron X-ray Laue microdiffraction scans
title_short A look-up table based approach to characterize crystal twinning for synchrotron X-ray Laue microdiffraction scans
title_sort look-up table based approach to characterize crystal twinning for synchrotron x-ray laue microdiffraction scans
topic Research Papers
url https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4453977/
https://www.ncbi.nlm.nih.gov/pubmed/26089764
http://dx.doi.org/10.1107/S1600576715004896
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