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      Kikuchi pattern analysis of noncentrosymmetric crystals

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          Abstract

          Different models of Kikuchi pattern formation are compared with respect to their applicability to noncentrosymmetric crystals, and the breakdown of Friedel's rule in experimental electron backscatter diffraction (EBSD) patterns is discussed. Different A III B Vsemiconductor materials are used to evaluate the resulting asymmetry of Kikuchi band profiles for polar lattice planes. By comparison with the characteristic etch pit morphology on a single-crystal surface, the polar character of the measured lattice planes can be assigned absolutely. The presented approach enables point-group-resolved orientation mapping, which goes beyond the commonly applied Laue group analysis in EBSD.

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          Most cited references 60

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          Orientation imaging: The emergence of a new microscopy

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            Noncentrosymmetric Oxides

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              Scanning Electron Microscopy

               Ludwig Reimer (1998)
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                Author and article information

                Journal
                JACGAR
                Journal of Applied Crystallography
                J Appl Crystallogr
                International Union of Crystallography (IUCr)
                1600-5767
                October 2015
                August 18 2015
                : 48
                : 5
                : 1405-1419
                10.1107/S1600576715014016
                © 2015

                http://journals.iucr.org/services/copyrightpolicy.html

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