Electromechanical properties and anisotropy of single- and multi-domain 0.72Pb(Mg1/3Nb2/3)O3-0.28PbTiO3 single crystals

Gang Liu; Wenhua Jiang; Jiaqi Zhu; Wenwu Cao

doi:10.1063/1.3652703

Electromechanical properties and anisotropy of single- and multi-domain 0.72Pb(Mg_1/3Nb_2/3)O₃-0.28PbTiO₃ single crystals

Gang Liu
, Wenhua Jiang
, Jiaqi Zhu
, Wenwu Cao

Research output: Contribution to journal › Article › peer-review

66 Scopus citations

Abstract

Complete sets of elastic, piezoelectric, and dielectric constants of 0.72Pb(Mg_1/3Nb_2/3)O₃-0.28PbTiO₃ single crystal poled along [111]_c (single domain) as well as non-polar axes [001]_c and [011]_c (multidomain) have been measured under natural conditions. These data allowed us to evaluate accurately the extrinsic contributions to the superior piezoelectric properties. Very large extrinsic contributions to the unusual anisotropies in multidomain crystals are confirmed. We found that the instability of domain structures is the origin of the low mechanical quality factor Q for the multidomain relaxor-based ferroelectric single crystals. Our results can provide useful guidance in future design of domain engineered materials.

Original language	English (US)
Article number	162901
Journal	Applied Physics Letters
Volume	99
Issue number	16
DOIs	https://doi.org/10.1063/1.3652703
State	Published - Oct 17 2011

All Science Journal Classification (ASJC) codes

Physics and Astronomy (miscellaneous)

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10.1063/1.3652703

Cite this

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title = "Electromechanical properties and anisotropy of single- and multi-domain 0.72Pb(Mg1/3Nb2/3)O3-0.28PbTiO3 single crystals",

abstract = "Complete sets of elastic, piezoelectric, and dielectric constants of 0.72Pb(Mg1/3Nb2/3)O3-0.28PbTiO3 single crystal poled along [111]c (single domain) as well as non-polar axes [001]c and [011]c (multidomain) have been measured under natural conditions. These data allowed us to evaluate accurately the extrinsic contributions to the superior piezoelectric properties. Very large extrinsic contributions to the unusual anisotropies in multidomain crystals are confirmed. We found that the instability of domain structures is the origin of the low mechanical quality factor Q for the multidomain relaxor-based ferroelectric single crystals. Our results can provide useful guidance in future design of domain engineered materials.",

author = "Gang Liu and Wenhua Jiang and Jiaqi Zhu and Wenwu Cao",

note = "Funding Information: This research was funded by the NIH under Grant No. P41-EB21820. One of the authors G. Liu would like to acknowledge the support from the National Scholarship Council of China. We also thank H.C Materials Inc. for providing these high quality PMN-PT single crystals.",

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doi = "10.1063/1.3652703",

language = "English (US)",

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T1 - Electromechanical properties and anisotropy of single- and multi-domain 0.72Pb(Mg1/3Nb2/3)O3-0.28PbTiO3 single crystals

AU - Liu, Gang

AU - Jiang, Wenhua

AU - Zhu, Jiaqi

AU - Cao, Wenwu

N1 - Funding Information: This research was funded by the NIH under Grant No. P41-EB21820. One of the authors G. Liu would like to acknowledge the support from the National Scholarship Council of China. We also thank H.C Materials Inc. for providing these high quality PMN-PT single crystals.

PY - 2011/10/17

Y1 - 2011/10/17

N2 - Complete sets of elastic, piezoelectric, and dielectric constants of 0.72Pb(Mg1/3Nb2/3)O3-0.28PbTiO3 single crystal poled along [111]c (single domain) as well as non-polar axes [001]c and [011]c (multidomain) have been measured under natural conditions. These data allowed us to evaluate accurately the extrinsic contributions to the superior piezoelectric properties. Very large extrinsic contributions to the unusual anisotropies in multidomain crystals are confirmed. We found that the instability of domain structures is the origin of the low mechanical quality factor Q for the multidomain relaxor-based ferroelectric single crystals. Our results can provide useful guidance in future design of domain engineered materials.

AB - Complete sets of elastic, piezoelectric, and dielectric constants of 0.72Pb(Mg1/3Nb2/3)O3-0.28PbTiO3 single crystal poled along [111]c (single domain) as well as non-polar axes [001]c and [011]c (multidomain) have been measured under natural conditions. These data allowed us to evaluate accurately the extrinsic contributions to the superior piezoelectric properties. Very large extrinsic contributions to the unusual anisotropies in multidomain crystals are confirmed. We found that the instability of domain structures is the origin of the low mechanical quality factor Q for the multidomain relaxor-based ferroelectric single crystals. Our results can provide useful guidance in future design of domain engineered materials.

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Electromechanical properties and anisotropy of single- and multi-domain 0.72Pb(Mg_1/3Nb_2/3)O₃-0.28PbTiO₃ single crystals

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