TY - JOUR
T1 - Crystal growth and electrical properties of Pb(Yb1/2Nb1/2)O3-PbTiO3 perovskite single crystals
AU - Zhang, Shujun
AU - Rehrig, Paul W.
AU - Randall, Clive
AU - Shrout, Thomas R.
N1 - Funding Information:
The research is supported by the Office of Naval Research and DARPA. The author would like to thank Seung-Eek Park for the useful discussion and Ning Xu, Ru Xia for the crystal processing.
Copyright:
Copyright 2007 Elsevier B.V., All rights reserved.
PY - 2002/1
Y1 - 2002/1
N2 - Pb(Yb1/2Nb1/2)O3-PbTiO3 (PYNT) single crystals were firstly grown using the high temperature solution method. Based on X-ray powder diffraction and thermal behavior of polycrystalline material, issues of perovskite instability were revealed. Barium additions were used to aid in the stabilization of the perovskite rhombohedral phase. The Curie temperature of PYNT (60/40) was found to vary from 244°C to 268°C, the characteristic of relaxor ferroelectric with the temperature of dielectric maximum increasing with increasing frequencies. Electrical properties of PYNT (60/40) investigated along 〈0 0 1〉, 〈0 1 1〉, and 〈1 1 1〉 pseudo-cubic directions, revealed remnant polarizations (Pr) of 26.5, 27.6 and 41.6 μC/cm2, respectively, while the coercive fields (Ec) were 10.1, 9.4, and 11.5 kV/cm. The piezoelectric coefficient (d33) of 〈0 0 1〉 oriented samples was found to be ∼1200 pC/N, with a strain reaching 0.54% at 100 kV/cm. The large piezoelectric coefficient, coercive field, and high Tc (>250°C) make PYNT single crystals promising candidates for high temperature and high performance solid-state actuators and transducers.
AB - Pb(Yb1/2Nb1/2)O3-PbTiO3 (PYNT) single crystals were firstly grown using the high temperature solution method. Based on X-ray powder diffraction and thermal behavior of polycrystalline material, issues of perovskite instability were revealed. Barium additions were used to aid in the stabilization of the perovskite rhombohedral phase. The Curie temperature of PYNT (60/40) was found to vary from 244°C to 268°C, the characteristic of relaxor ferroelectric with the temperature of dielectric maximum increasing with increasing frequencies. Electrical properties of PYNT (60/40) investigated along 〈0 0 1〉, 〈0 1 1〉, and 〈1 1 1〉 pseudo-cubic directions, revealed remnant polarizations (Pr) of 26.5, 27.6 and 41.6 μC/cm2, respectively, while the coercive fields (Ec) were 10.1, 9.4, and 11.5 kV/cm. The piezoelectric coefficient (d33) of 〈0 0 1〉 oriented samples was found to be ∼1200 pC/N, with a strain reaching 0.54% at 100 kV/cm. The large piezoelectric coefficient, coercive field, and high Tc (>250°C) make PYNT single crystals promising candidates for high temperature and high performance solid-state actuators and transducers.
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U2 - 10.1016/S0022-0248(01)01696-7
DO - 10.1016/S0022-0248(01)01696-7
M3 - Article
AN - SCOPUS:0036131738
SN - 0022-0248
VL - 234
SP - 415
EP - 420
JO - Journal of Crystal Growth
JF - Journal of Crystal Growth
IS - 2-3
ER -