Ferroelectricity in hexagonal YFeO<sub>3</sub> film at room temperature<xref ref-type="fn" rid="cpb141366fn1">*</xref>

Ferroelectricity in hexagonal YFeO₃ film at room temperature*

Zhang Run-Lan^a),^b), Chen Chang-Le^a)†, Zhang Yun-Jie^a), Xing Hui^a), Dong Xiang-Lei^a), Jin Ke-Xin^a)

Fig.#cod#x00A0;4. PFM images of the ferroelectric domain structure of the YFeO 3 thin film deposited on Si111 substrate over the scanning size of 2#cod#x00A0;#cod#x03BC;m#cod#x00D7;2#cod#x00A0;#cod#x03BC;m. a Topography image, b out-of-plane PFM amplitude image, c out-of-plane PFM phase image, d local amplitude loop and phase loop.