Schmahl, Wolfgang W.; Griesshaber, Erika; Neuser, Rolf D.; Goetz, Andreas J.; Lueter, Carsten
Electron Backscatter Diffraction Study of Brachiopod Shell Calcite - Microscale Phase and Texture Analysis of a Polycrystalline Biomaterial.
In: Particle and Particle Systems Characterization, Vol. 25, No. 5-6: pp. 474-478
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Electron backscatter diffraction (EBSD) is an easy to use and highlyautomated microdiffraction method suitable for the determination ofcrystallographic phase and crystallite orientation. The high level ofhierarchical structural organization in the shells of marine organismswas studied. Calcite brachiopod shell materials were found to belong tothree types of microstructure: nano to microcrystalline layers ofacicular crystals, fiber composites with calcite single crystal fiberswith [uv0] morphological axes, and material formed by columnarcrystals with  morphological axes selected by competitive growth.