Fatigue mechanism of textured Pb(Mg1/3Nb2/3)O 3-PbTiO3 ceramics

Yongke Yan; Yuan Zhou; Shashaank Gupta; Shashank Priya

doi:10.1063/1.4819223

Fatigue mechanism of textured Pb(Mg_1/3Nb_2/3)O ₃-PbTiO₃ ceramics

Yongke Yan, Yuan Zhou, Shashaank Gupta, Shashank Priya

Materials Science and Engineering

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

26 Scopus citations

Abstract

Grain orientation, BaTiO₃ heterogeneous template content, and electrode materials are expected to play an important role in controlling the polarization fatigue behavior of 001 textured Pb(Mg_1/3Nb _2/3)O₃-PbTiO₃ ceramics. A comparative analysis with randomly oriented ceramics showed that 001 grain orientation/texture exhibits improved fatigue characteristics due to the reduced switching activation energy and high domain mobility. The hypothesis was validated from the systematic characterization of polarization - electric field behavior and domain wall density. The defect accumulation at the grain boundary and clamping effect arising from the presence of BaTiO₃ heterogeneous template in the final microstructure was found to be the main cause for polarization degradation in textured ceramic.

Original language	English (US)
Article number	082906
Journal	Applied Physics Letters
Volume	103
Issue number	8
DOIs	https://doi.org/10.1063/1.4819223
State	Published - Aug 19 2013

All Science Journal Classification (ASJC) codes

Physics and Astronomy (miscellaneous)

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10.1063/1.4819223

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title = "Fatigue mechanism of textured Pb(Mg1/3Nb2/3)O 3-PbTiO3 ceramics",

abstract = "Grain orientation, BaTiO3 heterogeneous template content, and electrode materials are expected to play an important role in controlling the polarization fatigue behavior of 001 textured Pb(Mg1/3Nb 2/3)O3-PbTiO3 ceramics. A comparative analysis with randomly oriented ceramics showed that 001 grain orientation/texture exhibits improved fatigue characteristics due to the reduced switching activation energy and high domain mobility. The hypothesis was validated from the systematic characterization of polarization - electric field behavior and domain wall density. The defect accumulation at the grain boundary and clamping effect arising from the presence of BaTiO3 heterogeneous template in the final microstructure was found to be the main cause for polarization degradation in textured ceramic.",

author = "Yongke Yan and Yuan Zhou and Shashaank Gupta and Shashank Priya",

note = "Funding Information: The authors gratefully acknowledge the financial support from Office of Basic Energy Science, Department of Energy through Grant No. # DE-FG02-07ER46480. The authors would also like to thank the NSF I/UCRC: Center for Energy Harvesting Materials and Systems (CEHMS) for supporting the work on synthesis of textured piezoelectric materials. ",

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doi = "10.1063/1.4819223",

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T1 - Fatigue mechanism of textured Pb(Mg1/3Nb2/3)O 3-PbTiO3 ceramics

AU - Yan, Yongke

AU - Zhou, Yuan

AU - Gupta, Shashaank

AU - Priya, Shashank

N1 - Funding Information: The authors gratefully acknowledge the financial support from Office of Basic Energy Science, Department of Energy through Grant No. # DE-FG02-07ER46480. The authors would also like to thank the NSF I/UCRC: Center for Energy Harvesting Materials and Systems (CEHMS) for supporting the work on synthesis of textured piezoelectric materials.

PY - 2013/8/19

Y1 - 2013/8/19

N2 - Grain orientation, BaTiO3 heterogeneous template content, and electrode materials are expected to play an important role in controlling the polarization fatigue behavior of 001 textured Pb(Mg1/3Nb 2/3)O3-PbTiO3 ceramics. A comparative analysis with randomly oriented ceramics showed that 001 grain orientation/texture exhibits improved fatigue characteristics due to the reduced switching activation energy and high domain mobility. The hypothesis was validated from the systematic characterization of polarization - electric field behavior and domain wall density. The defect accumulation at the grain boundary and clamping effect arising from the presence of BaTiO3 heterogeneous template in the final microstructure was found to be the main cause for polarization degradation in textured ceramic.

AB - Grain orientation, BaTiO3 heterogeneous template content, and electrode materials are expected to play an important role in controlling the polarization fatigue behavior of 001 textured Pb(Mg1/3Nb 2/3)O3-PbTiO3 ceramics. A comparative analysis with randomly oriented ceramics showed that 001 grain orientation/texture exhibits improved fatigue characteristics due to the reduced switching activation energy and high domain mobility. The hypothesis was validated from the systematic characterization of polarization - electric field behavior and domain wall density. The defect accumulation at the grain boundary and clamping effect arising from the presence of BaTiO3 heterogeneous template in the final microstructure was found to be the main cause for polarization degradation in textured ceramic.

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Fatigue mechanism of textured Pb(Mg_1/3Nb_2/3)O ₃-PbTiO₃ ceramics

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