Abstract
A description is given of the network of cation jump possibilities between interstices in structures where the anions are in hexagonal close packing. The discussion focuses primarily on the wurtzite lattice (BeO and ZnO), where the activation energies for diffusion (D) in the a- and c-directions have been experimentally found to be the same. Two types of vacancy mechanisms give Dc/Da = 1.3 and 1.5, and an interstitialcy mechanism gives 1.0; interstitial diffusion can be ruled out since it would be strongly anisotropic.
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Condit, R.H. (1974). Diffusion-Path Networks in the Wurtzite Lattice. In: Seltzer, M.S., Jaffee, R.I. (eds) Defects and Transport in Oxides. Battelle Institute Materials Science Colloquia. Springer, Boston, MA. https://doi.org/10.1007/978-1-4615-8723-1_15
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DOI: https://doi.org/10.1007/978-1-4615-8723-1_15
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