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Your search keyword '"switching spectroscopy piezoresponse force microscopy (SS-PFM)"' showing total 3 results
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3 results on '"switching spectroscopy piezoresponse force microscopy (SS-PFM)"'

1. Determination of polarization states in (K,Na)NbO3 lead-free piezoelectric crystal

Author

Mao-Hua Zhang, Chengpeng Hu, Zhen Zhou, Hao Tian, Hao-Cheng Thong, Yi Xuan Liu, Xing-Yu Xu, Xiao-Qing Xi, Jing-Feng Li, and Ke Wang

Subjects
piezoelectrics, lead-free, (K0.40Na0.60)NbO3 (KNN), switching spectroscopy piezoresponse force microscopy (SS-PFM), ferroelectric domain, Clay industries. Ceramics. Glass, TP785-869
Abstract

Abstract Polarization switching in lead-free (K0.40Na0.60)NbO3 (KNN) single crystals was studied by switching spectroscopy piezoresponse force microscopy (SS-PFM). Acquisition of multiple hysteresis loops on a closely spaced square grid enables polarization switching parameters to be mapped in real space. Piezoresponse amplitude and phase hysteresis loops show collective symmetric/asymmetric characteristics, affording information regarding the switching behavior of different domains. As such, the out-of-plane polarization states of the domains, including amplitudes and phases can be determined. Our results could contribute to a further understanding of the relationships between polarization switching and polarization vectors at the nanoscale, and provide a feasible method to correlate the polarization hysteresis loops in a domain under an electric field with the polarization vector states.

Published
2020
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3. Determination of polarization states in (K,Na)NbO3 lead-free piezoelectric crystal

Author

Xingyu Xu, Jing-Feng Li, Hao-Cheng Thong, Yi Xuan Liu, Mao-Hua Zhang, Ke Wang, Hao Tian, Xiaoqing Xi, Chengpeng Hu, and Zhen Zhou

Subjects
Square tiling, piezoelectrics, Materials science, ferroelectric domain, 02 engineering and technology, 010402 general chemistry, 01 natural sciences, lcsh:TP785-869, Condensed Matter::Materials Science, Electric field, Spectroscopy, Nanoscopic scale, lead-free, Condensed matter physics, switching spectroscopy piezoresponse force microscopy (SS-PFM), 021001 nanoscience & nanotechnology, Polarization (waves), Piezoelectricity, 0104 chemical sciences, Electronic, Optical and Magnetic Materials, Piezoresponse force microscopy, Amplitude, lcsh:Clay industries. Ceramics. Glass, (K0.40Na0.60)NbO3 (KNN), Ceramics and Composites, 0210 nano-technology
Abstract

Polarization switching in lead-free (K0.40Na0.60)NbO3 (KNN) single crystals was studied by switching spectroscopy piezoresponse force microscopy (SS-PFM). Acquisition of multiple hysteresis loops on a closely spaced square grid enables polarization switching parameters to be mapped in real space. Piezoresponse amplitude and phase hysteresis loops show collective symmetric/asymmetric characteristics, affording information regarding the switching behavior of different domains. As such, the out-of-plane polarization states of the domains, including amplitudes and phases can be determined. Our results could contribute to a further understanding of the relationships between polarization switching and polarization vectors at the nanoscale, and provide a feasible method to correlate the polarization hysteresis loops in a domain under an electric field with the polarization vector states.

Published
2020

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