Micro-Area Ferroelectric, Piezoelectric and Conductive Properties of Single BiFeO<sub>3</sub> Nanowire by Scanning Probe Microscopy

Ferroelectric nanowires have attracted great attention due to their excellent physical properties. We report the domain structure, ferroelectric, piezoelectric, and conductive properties of bismuth ferrite (BFO, short for BiFeO<sub>3</sub>) nanowires characterized by scanning probe micro...

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Main Authors:	Shenglan Wu, Jing Zhang, Xiaoyan Liu, Siyi Lv, Rongli Gao, Wei Cai, Fengqi Wang, Chunlin Fu
Format:	Article
Language:	English
Published:	MDPI AG 2019-02-01
Series:	Nanomaterials
Subjects:	bismuth ferrite nanowire micro-area SPM
Online Access:	https://www.mdpi.com/2079-4991/9/2/190

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spelling	doaj-c9fca61c8d3649c49dc0a8e321cd2a922020-11-24T21:43:38ZengMDPI AGNanomaterials2079-49912019-02-019219010.3390/nano9020190nano9020190Micro-Area Ferroelectric, Piezoelectric and Conductive Properties of Single BiFeO<sub>3</sub> Nanowire by Scanning Probe MicroscopyShenglan Wu0Jing Zhang1Xiaoyan Liu2Siyi Lv3Rongli Gao4Wei Cai5Fengqi Wang6Chunlin Fu7School of Metallurgy and Materials Engineering, Chongqing University of Science and Technology, Chongqing 401331, ChinaSchool of Metallurgy and Materials Engineering, Chongqing University of Science and Technology, Chongqing 401331, ChinaSchool of Metallurgy and Materials Engineering, Chongqing University of Science and Technology, Chongqing 401331, ChinaSchool of Metallurgy and Materials Engineering, Chongqing University of Science and Technology, Chongqing 401331, ChinaSchool of Metallurgy and Materials Engineering, Chongqing University of Science and Technology, Chongqing 401331, ChinaSchool of Metallurgy and Materials Engineering, Chongqing University of Science and Technology, Chongqing 401331, ChinaSchool of Metallurgy and Materials Engineering, Chongqing University of Science and Technology, Chongqing 401331, ChinaSchool of Metallurgy and Materials Engineering, Chongqing University of Science and Technology, Chongqing 401331, ChinaFerroelectric nanowires have attracted great attention due to their excellent physical properties. We report the domain structure, ferroelectric, piezoelectric, and conductive properties of bismuth ferrite (BFO, short for BiFeO<sub>3</sub>) nanowires characterized by scanning probe microscopy (SPM). The X-ray diffraction (XRD) pattern presents single phase BFO without other obvious impurities. The piezoresponse force microscopy (PFM) results indicate that the nanowires possess a multidomain configuration, and the maximum piezoelectric coefficient (<i>d</i><sub>33</sub>) of single BFO nanowire is 22.21 pm/V. Poling experiments and local switching spectroscopy piezoresponse force microscopy (SS-PFM) demonstrate that there is sufficient polarization switching behavior and obvious piezoelectric properties in BFO nanowires. The conducting atomic force microscopy (C-AFM) results show that the current is just hundreds of pA at 8 V. These lay the foundation for the application of BFO nanowires in nanodevices.https://www.mdpi.com/2079-4991/9/2/190bismuth ferritenanowiremicro-areaSPM
collection	DOAJ
language	English
format	Article
sources	DOAJ
author	Shenglan Wu Jing Zhang Xiaoyan Liu Siyi Lv Rongli Gao Wei Cai Fengqi Wang Chunlin Fu
spellingShingle	Shenglan Wu Jing Zhang Xiaoyan Liu Siyi Lv Rongli Gao Wei Cai Fengqi Wang Chunlin Fu Micro-Area Ferroelectric, Piezoelectric and Conductive Properties of Single BiFeO<sub>3</sub> Nanowire by Scanning Probe Microscopy Nanomaterials bismuth ferrite nanowire micro-area SPM
author_facet	Shenglan Wu Jing Zhang Xiaoyan Liu Siyi Lv Rongli Gao Wei Cai Fengqi Wang Chunlin Fu
author_sort	Shenglan Wu
title	Micro-Area Ferroelectric, Piezoelectric and Conductive Properties of Single BiFeO<sub>3</sub> Nanowire by Scanning Probe Microscopy
title_short	Micro-Area Ferroelectric, Piezoelectric and Conductive Properties of Single BiFeO<sub>3</sub> Nanowire by Scanning Probe Microscopy
title_full	Micro-Area Ferroelectric, Piezoelectric and Conductive Properties of Single BiFeO<sub>3</sub> Nanowire by Scanning Probe Microscopy
title_fullStr	Micro-Area Ferroelectric, Piezoelectric and Conductive Properties of Single BiFeO<sub>3</sub> Nanowire by Scanning Probe Microscopy
title_full_unstemmed	Micro-Area Ferroelectric, Piezoelectric and Conductive Properties of Single BiFeO<sub>3</sub> Nanowire by Scanning Probe Microscopy
title_sort	micro-area ferroelectric, piezoelectric and conductive properties of single bifeo<sub>3</sub> nanowire by scanning probe microscopy
publisher	MDPI AG
series	Nanomaterials
issn	2079-4991
publishDate	2019-02-01
description	Ferroelectric nanowires have attracted great attention due to their excellent physical properties. We report the domain structure, ferroelectric, piezoelectric, and conductive properties of bismuth ferrite (BFO, short for BiFeO<sub>3</sub>) nanowires characterized by scanning probe microscopy (SPM). The X-ray diffraction (XRD) pattern presents single phase BFO without other obvious impurities. The piezoresponse force microscopy (PFM) results indicate that the nanowires possess a multidomain configuration, and the maximum piezoelectric coefficient (<i>d</i><sub>33</sub>) of single BFO nanowire is 22.21 pm/V. Poling experiments and local switching spectroscopy piezoresponse force microscopy (SS-PFM) demonstrate that there is sufficient polarization switching behavior and obvious piezoelectric properties in BFO nanowires. The conducting atomic force microscopy (C-AFM) results show that the current is just hundreds of pA at 8 V. These lay the foundation for the application of BFO nanowires in nanodevices.
topic	bismuth ferrite nanowire micro-area SPM
url	https://www.mdpi.com/2079-4991/9/2/190
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Micro-Area Ferroelectric, Piezoelectric and Conductive Properties of Single BiFeO<sub>3</sub> Nanowire by Scanning Probe Microscopy

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