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Grain Boundaries in High-Purity Silicon Carbide

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Book cover Silicon Carbide Ceramics—1

Abstract

Grain boundaries in high-purity silicon carbide bicrystals produced by sublimation-deposition at 2800 K were examined by high-resolution transmission electron microscope (HRTEM). Two asymmetric tilt boundaries with a rotation of 70–5° about [1100], Le. a 6H polytype boundary parallel to (0001) of one of the crystals and a 6H/15R hetero-polytype boundary were observed. Both boundaries were without an amorphous layer. The periodic arrangement of atoms in the boundaries was analyzed using the geometrical coincidence-site lattice model, while the actual atomic structure of the boundary was modeled from the HRTEM images.

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References

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© 1991 Elsevier Science Publishers Ltd

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Ishida, Y., Ichinose, H., Inomata, Y. (1991). Grain Boundaries in High-Purity Silicon Carbide. In: Sömiya, S., Inomata, Y. (eds) Silicon Carbide Ceramics—1. Springer, Dordrecht. https://doi.org/10.1007/978-94-011-3842-0_8

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  • DOI: https://doi.org/10.1007/978-94-011-3842-0_8

  • Publisher Name: Springer, Dordrecht

  • Print ISBN: 978-1-85166-560-0

  • Online ISBN: 978-94-011-3842-0

  • eBook Packages: Springer Book Archive

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