The diffusion coefficient of oxygen in single crystal zinc oxide has been measured by the gaseous exchange technique, D= 0.105 exp (–394.6 kJ/mol)/RT m2 s–1 for a pressure of oxygen 26.5–30.0 kN m–2 and temperatures 1423–1673 K. At 1473 K, D is approximately proportional to [graphic ommitted]. Above 1573 K, D is proportional to [graphic ommitted]. It is suggested that diffusion occurs via random motion of oxygen vacancies.
J. W. Hoffman and I. Lauder, Trans. Faraday Soc., 1970, 66, 2346 DOI: 10.1039/TF9706602346
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