Structures and local ferroelectric polarization switching properties of orthorhombic YFeO<sub>3</sub> thin film prepared by a sol–gel method<xref rid="cpb_28_3_037701fn1" ref-type="fn">*</xref><fn id="cpb_28_3_037701fn1"><label>*</label><p>Project supported by the National Natural Science Foundation of China (Grant No. 61471301), Natural Science Basic Research Program of Shaanxi, China (Grant No. 2017JQ5083), and PhD Research Startup Foundation of Xi’an University of Science and Technology, China (Grant No. 2017QDJ044).</p></fn>

Structures and local ferroelectric polarization switching properties of orthorhombic YFeO₃ thin film prepared by a sol–gel method**

Project supported by the National Natural Science Foundation of China (Grant No. 61471301), Natural Science Basic Research Program of Shaanxi, China (Grant No. 2017JQ5083), and PhD Research Startup Foundation of Xi’an University of Science and Technology, China (Grant No. 2017QDJ044).

Zhang Runlan^{1, †}, Li Shuaishuai¹, Chen Changle², Han Li-An³, Xiong Shanxin¹

PFM images of YFO film over 2 μm × 2 μm: (a) topography, (b) amplitude, and (c) phase.