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Heteroepitaxial growth of bulk single-crystalPb(Mg1/3Nb2/3)O3–32 mol% PbTiO3 from (111) SrTiO3

Published online by Cambridge University Press:  31 January 2011

Tao Li ,
Suxing Wu ,
Ajmal Khan ,
Adam M. Scotch ,
Helen M. Chan  and
Martin P. Harmer
Tao Li*
Affiliation:
Materials Research Center, Lehigh University, Bethlehem, Pennsylvania 18015
Suxing Wu
Affiliation:
Materials Research Center, Lehigh University, Bethlehem, Pennsylvania 18015
Ajmal Khan
Affiliation:
Materials Research Center, Lehigh University, Bethlehem, Pennsylvania 18015
Adam M. Scotch
Affiliation:
Materials Research Center, Lehigh University, Bethlehem, Pennsylvania 18015
Helen M. Chan
Affiliation:
Materials Research Center, Lehigh University, Bethlehem, Pennsylvania 18015
Martin P. Harmer
Affiliation:
Materials Research Center, Lehigh University, Bethlehem, Pennsylvania 18015
*
a) Address all correspondence to this author.ta16@lehigh.edu
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Abstract

SrTiO3 was investigated as an alternate seed material to grow Pb(Mg1/3Nb2/3)O3–PbTiO3 (PMN–PT) ferroelectric single crystals by seeded polycrystal conversion. Fully dense polycrystalline samples of PMN–32 mol% PT doped with 3 vol% excess PbO were top-seeded with (111) SrTiO3 substrates. Annealing for 10 h at 1150 °C resulted in growth of PMN–32PT single crystals with sizes on the order of several millimeters. Orientation imaging microscopy confirmed that the grown crystal exhibited the same crystallographic orientation as that of the SrTiO3 seed. Elemental distributions analyzed using energy dispersive spectroscopy indicated that interdiffusi on of the relevant elements was negligible.

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Type
Articles
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Journal of Materials Research , Volume 14 , Issue 8 , August 1999 , pp. 3189 - 3191
Copyright
Copyright © Materials Research Society 1999

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References

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