1. Micro-Area Ferroelectric, Piezoelectric and Conductive Properties of Single BiFeO3 Nanowire by Scanning Probe Microscopy.
- Author
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Wu, Shenglan, Zhang, Jing, Liu, Xiaoyan, Lv, Siyi, Gao, Rongli, Cai, Wei, Wang, Fengqi, and Fu, Chunlin
- Subjects
SCANNING probe microscopy ,PIEZORESPONSE force microscopy ,NANOWIRES ,X-ray diffraction ,SCANNING electrochemical microscopy ,BISMUTH ,ATOMIC force microscopy - Abstract
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
3 ) 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 (d33 ) 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. [ABSTRACT FROM AUTHOR]- Published
- 2019
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