Multiferroic and multilevel resistive switching properties of LaFeO₃-PbTiO₃ films grown on Nb:SrTiO₃ (0 0 1) substrate

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• 作者：Cunxu Gao¹ ; Peng Zhang ; ¹ ; ^{zhangp2013@lzu.edu.cn" class="auth_mail" title="E-mail the corresponding author} ; Chao Zhang ; Chunhui Dong ; Changjun Jiang ; Qingfang Liu ; Desheng Xue ; ^{xueds@lzu.edu.cn" class="auth_mail" title="E-mail the corresponding author}
• 关键词：C. Electrical properties ; C. Ferroelectric properties ; C. Magnetic properties ; E. Functional applications ; LaFeO3&ndash ; PbTiO3
• 刊名：Ceramics International
• 出版年：2015
• 出版时间：July 2015
• 年：2015
• 卷：41
• 期：supp_S1
• 页码：S851-S855
• 全文大小：1135 K

文摘

Multiferroic properties of LaFeO₃–PbTiO₃ (LFPTO) epitaxial thin films grown on Nb-doped SrTiO₃ (0 0 1) (NSTO) substrate by hydrothermal method were investigated at room temperature, which was demonstrated by the ferroelectric (2P_r=3.95 μC/cm², 2E_c=38.6 kV/cm at applied electric field 66.8 kV/cm) and magnetic (2M_r=12.13 emu/cm³, 2H_c=3000 Oe at applied magnetic field 1.6 T) hysteresis loops. Furthermore, stable multilevel bipolar resistive switching behaviors controlled by the applied reset voltage were observed in the Pt/LFPTO/NSTO/Pt structures. Multiferroic LaFeO₃–PbTiO₃ thin films combing good resistive switching behaviors have potential application in multifunctional devices.