We performed temperature-dependent extended X-ray absorption fine structure (EXAFS) measurements on a series of nanocrystalline zirconia powders with different crystallite sizes. The results show that there is a tetragonal-to-cubic phase transition with reduction of crystallite size. The temperature dependence of the EXAFS Debye-Waller factor is also discussed.
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Kun-Quan et al. (1994) studied this question.
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