Giant piezoelectricity in oxide thin films with nanopillar structure

Huajun Liu; Haijun Wu; Khuong Phuong Ong; Tiannan Yang; Ping Yang; Pranab Kumar Das; Xiao Chi; Yang Zhang; Caozheng Diao; Wai Kong Alaric Wong; Eh Piew Chew; Yi Fan Chen; Chee Kiang Ivan Tan; Andrivo Rusydi; Mark B.H. Breese; David J. Singh; Long Qing Chen; Stephen J. Pennycook; Kui Yao

doi:10.1126/science.abb3209

Giant piezoelectricity in oxide thin films with nanopillar structure

Huajun Liu, Haijun Wu, Khuong Phuong Ong, Tiannan Yang, Ping Yang, Pranab Kumar Das, Xiao Chi, Yang Zhang, Caozheng Diao, Wai Kong Alaric Wong, Eh Piew Chew, Yi Fan Chen, Chee Kiang Ivan Tan, Andrivo Rusydi, Mark B.H. Breese, David J. Singh, Long Qing Chen, Stephen J. Pennycook, Kui Yao

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

120 Scopus citations

Abstract

High-performance piezoelectric materials are critical components for electromechanical sensors and actuators. For more than 60 years, the main strategy for obtaining large piezoelectric response has been to construct multiphase boundaries, where nanoscale domains with local structural and polar heterogeneity are formed, by tuning complex chemical compositions. We used a different strategy to emulate such local heterogeneity by forming nanopillar regions in perovskite oxide thin films. We obtained a giant effective piezoelectric coefficient d _33;f of ~1098 picometers per volt with a high Curie temperature of ~450°C. Our lead-free composition of sodium-deficient sodium niobate contains only three elements (Na, Nb, and O). The formation of local heterogeneity with nanopillars in the perovskite structure could be the basis for a general approach to designing and optimizing various functional materials.

Original language	English (US)
Pages (from-to)	292-297
Number of pages	6
Journal	Science
Volume	369
Issue number	6501
DOIs	https://doi.org/10.1126/science.abb3209
State	Published - Jul 17 2020

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Liu, H., Wu, H., Ong, K. P., Yang, T., Yang, P., Das, P. K., Chi, X., Zhang, Y., Diao, C., Wong, W. K. A., Chew, E. P., Chen, Y. F., Tan, C. K. I., Rusydi, A., Breese, M. B. H., Singh, D. J., Chen, L. Q., Pennycook, S. J., & Yao, K. (2020). Giant piezoelectricity in oxide thin films with nanopillar structure. Science, 369(6501), 292-297. https://doi.org/10.1126/science.abb3209

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abstract = "High-performance piezoelectric materials are critical components for electromechanical sensors and actuators. For more than 60 years, the main strategy for obtaining large piezoelectric response has been to construct multiphase boundaries, where nanoscale domains with local structural and polar heterogeneity are formed, by tuning complex chemical compositions. We used a different strategy to emulate such local heterogeneity by forming nanopillar regions in perovskite oxide thin films. We obtained a giant effective piezoelectric coefficient d 33;f of ~1098 picometers per volt with a high Curie temperature of ~450°C. Our lead-free composition of sodium-deficient sodium niobate contains only three elements (Na, Nb, and O). The formation of local heterogeneity with nanopillars in the perovskite structure could be the basis for a general approach to designing and optimizing various functional materials.",

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doi = "10.1126/science.abb3209",

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AU - Liu, Huajun

AU - Wu, Haijun

AU - Ong, Khuong Phuong

AU - Yang, Tiannan

AU - Yang, Ping

AU - Das, Pranab Kumar

AU - Chi, Xiao

AU - Zhang, Yang

AU - Diao, Caozheng

AU - Wong, Wai Kong Alaric

AU - Chew, Eh Piew

AU - Chen, Yi Fan

AU - Tan, Chee Kiang Ivan

AU - Rusydi, Andrivo

AU - Breese, Mark B.H.

AU - Singh, David J.

AU - Chen, Long Qing

AU - Pennycook, Stephen J.

AU - Yao, Kui

PY - 2020/7/17

Y1 - 2020/7/17

N2 - High-performance piezoelectric materials are critical components for electromechanical sensors and actuators. For more than 60 years, the main strategy for obtaining large piezoelectric response has been to construct multiphase boundaries, where nanoscale domains with local structural and polar heterogeneity are formed, by tuning complex chemical compositions. We used a different strategy to emulate such local heterogeneity by forming nanopillar regions in perovskite oxide thin films. We obtained a giant effective piezoelectric coefficient d 33;f of ~1098 picometers per volt with a high Curie temperature of ~450°C. Our lead-free composition of sodium-deficient sodium niobate contains only three elements (Na, Nb, and O). The formation of local heterogeneity with nanopillars in the perovskite structure could be the basis for a general approach to designing and optimizing various functional materials.

AB - High-performance piezoelectric materials are critical components for electromechanical sensors and actuators. For more than 60 years, the main strategy for obtaining large piezoelectric response has been to construct multiphase boundaries, where nanoscale domains with local structural and polar heterogeneity are formed, by tuning complex chemical compositions. We used a different strategy to emulate such local heterogeneity by forming nanopillar regions in perovskite oxide thin films. We obtained a giant effective piezoelectric coefficient d 33;f of ~1098 picometers per volt with a high Curie temperature of ~450°C. Our lead-free composition of sodium-deficient sodium niobate contains only three elements (Na, Nb, and O). The formation of local heterogeneity with nanopillars in the perovskite structure could be the basis for a general approach to designing and optimizing various functional materials.

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Giant piezoelectricity in oxide thin films with nanopillar structure

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