Effect of LiO2 and PbO additions on abnormal grain growth in the Pb(Mg1/3Nb2/3)O-3-35 mol% PbTiO3 system

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Abnormal grain growth in Pb(Mg1/3Nb2/3)O-3-35 mol% PbTiO3 (PMN-35PT) ceramics doped with Li2O and PbO has been investigated. Replacing the PbO dopant with up to 2 mol% Li2O caused an increase in the number of abnormal grains. For the composition containing 2 mol% Li2O and 6 mol% PbO, the amount of abnormal grain growth decreased with increasing sintering temperature. Single crystals of similar to6 mm x 6 mm x 2 mm thickness were grown from the 2 mol% Li2O, 6 mol% PbO-containing composition via the templated grain growth method. Grain growth behavior with temperature is explained in terms of the effect of Li2O on interface-reaction-controlled grain growth and the critical driving force.
Publisher
BLACKWELL PUBLISHING
Issue Date
2004-05
Language
English
Article Type
Article; Proceedings Paper
Keywords

LEAD-MAGNESIUM NIOBATE; SINGLE-CRYSTALS; LOW-TEMPERATURE; DIELECTRIC-PROPERTIES; COARSENING BEHAVIOR; BARIUM-TITANATE; CO LIQUID; CERAMICS; DENSIFICATION; BOUNDARY

Citation

JOURNAL OF THE AMERICAN CERAMIC SOCIETY, v.87, pp.937 - 942

ISSN
0002-7820
URI
http://hdl.handle.net/10203/82349
Appears in Collection
STP-Journal Papers(저널논문)MS-Journal Papers(저널논문)
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