Study of Nanoscale Domain Structure and Elastic Response of Lead-Free Piezoelectric Ceramics by Scanning Probe Microscopy

K. Y. Zhao Key Laboratory of Functional Materials and Devices, Shanghai Institute of Ceramics, Chinese Academy of Sciences, 200050, Shanghai, China

F. Sun Shanghai Nanotechnology Promotion Center, 200237, Shanghai, China

H. R. Zeng Key Laboratory of Functional Materials and Devices, Shanghai Institute of Ceramics, Chinese Academy of Sciences, 200050, Shanghai, China

L. Y. Zheng Key Laboratory of Functional Materials and Devices, Shanghai Institute of Ceramics, Chinese Academy of Sciences, 200050, Shanghai, China

J. T. Zeng Key Laboratory of Functional Materials and Devices, Shanghai Institute of Ceramics, Chinese Academy of Sciences, 200050, Shanghai, China

G. R. Li Key Laboratory of Functional Materials and Devices, Shanghai Institute of Ceramics, Chinese Academy of Sciences, 200050, Shanghai, China

H. S. Luo Key Laboratory of Functional Materials and Devices, Shanghai Institute of Ceramics, Chinese Academy of Sciences, 200050, Shanghai, China

Q. R. Yin Key Laboratory of Functional Materials and Devices, Shanghai Institute of Ceramics, Chinese Academy of Sciences, 200050, Shanghai, China

V. YA. Shur Ferroelectric Laboratory, Institute of Natural Science, Ural Federal University, 620000, Ekaterinburg, Russia

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Abstract

The nanoscale domain structure and variation of local elasticity in lead-free piezoelectric ceramics were investigated using home-made piezoresponse force microscope (PFM) and low-frequency scanning probe acoustic microscope (SPAM) based on a commercial atomic force microscope. The static domain structure and domain dynamics during polarization reversal were studied by PFM, while SPAM investigations showed the elastic and subsurface ferroelectrics structures. PFM and SPAM provided powerful tools for measurements of the local electromechanical and elastic properties of lead-free piezoelectric ceramics.

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Acknowledgements

This work is supported by Major national scientific research plan (973 plan) of China under Grant No. 2012CB933004, Innovative Research Groups of the National Natural Science Foundation of China (Grant No. 51121064), National Key Development Program for Basic Research of China (Grant No. 2009CB623305), the Nanotechnology Project of Shanghai Science and Technology Committee (Grant No. 11nm0502800), and the Innovation Project of the Shanghai Institute of Ceramics (Y21ZC4110G).

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Study of Nanoscale Domain Structure and Elastic Response of Lead-Free Piezoelectric Ceramics by Scanning Probe Microscopy

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Study of Nanoscale Domain Structure and Elastic Response of Lead-Free Piezoelectric Ceramics by Scanning Probe Microscopy

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