Point-Group Sensitive Orientation Mapping Using EBSD

Aimo Winkelmann,Vadim Lebedev,Gert Nolze,Marcel Himmerlich,Angelika Reichmann

doi:10.1007/978-3-319-48770-0_41

Point-Group Sensitive Orientation Mapping Using EBSD

Aimo Winkelmann, Vadim Lebedev + Show 3 more

https://doi.org/10.1007/978-3-319-48770-0_41

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Publication Date: Jan 1, 2016

Citations: 4

Affiliation: Bruker (Germany), Fraunhofer Institute for Applied Solid State Physics, Federal Institute For Materials Research and Testing, Graz University of Technology

#Dynamical Theory Of Electron Diffraction #Electron Backscatter Diffraction + Show 8 more

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Abstract

We demonstrate polarity-sensitive orientation mapping of non-centrosymmetric phases by Electron Backscatter Diffraction (EBSD) [1,2]. The method overcomes the restrictions of kinematic orientation determination by EBSD, which is limited to the centrosymmetric Laue-groups connected with Friedel’s rule. Different cubic and hexagonal materials (GaN, ZnO) are tested in a quantitative pattern matching approach based on simulations using the dynamical theory of electron diffraction. This procedure results in a distinct assignment of the local orientation in complex materials according to the non-centrosymmetric point group of the crystal structure.

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