Some softwares (such as Single Crystal) can simulate electron diffraction pattern, however, the pattern is not indexed in a hexagonal way (neither 3 or 4 index), but instead still using a cube system (all the axis perpendicular to each other). How to deal with this coordination transformation?
I am not family with Single crystal, could you please post the result. If it is indexed in the orthogonal coordinate system, the indices may contain decimal numbers.
By the way, in case of transformation from crystal to orthogonal coordinate system, you need to know the setting of the coordinate system in the crystal. The result varies with the coordinate system.
You can convert haxagonal indexes to cube system and use some software (Single Crystal and etc) to index your pattern.
Maybe this MTEX website can help you: http://mtex-toolbox.github.io/. MTEX is a free Matlab toolbox for analyzing and modeling crystallographic textures by means of EBSD or pole figure data.
http://mtex-toolbox.github.io/
I am not sure about what you are talking. Hexagonal indexed as cubic? or hexagonal indexed as orthonormal vectors (fix reference system), or hexagonoal indexed as orthorhombic (old description described by an H lattice)? Since there are a few opportunities it does not make sense to explain them more. Please send an image with the indices so that we can get a guess what is going on.
Hi Xinfu, Alex, Antonio and Gert,
Thank you for your kind comments, thank you!
Shiteng
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