Abnormal grain growth in Pb(Mg 1/3 Nb 2/3 )O 3 –35 mol% PbTiO 3 (PMN‐35PT) ceramics doped with Li 2 O and PbO has been investigated. Replacing the PbO dopant with up to 2 mol% Li 2 O caused an increase in the number of abnormal grains. For the composition containing 2 mol% Li 2 O and 6 mol% PbO, the amount of abnormal grain growth decreased with increasing sintering temperature. Single crystals of ∼6 mm × 6 mm × 2 mm thickness were grown from the 2 mol% Li 2 O, 6 mol% PbO‐containing composition via the templated grain growth method. Grain growth behavior with temperature is explained in terms of the effect of Li 2 O on interface‐reaction‐controlled grain growth and the critical driving force.
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Fisher et al. (2004) studied this question.
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