Strain-Mediated Coexistence of Volatile and Nonvolatile Converse Magnetoelectric Effects in Fe/Pb(Mg1/3Nb2/3)0.7Ti0.3O3 Heterostructure

• DOI: 10.1021/acsami.7b03051
• Publication Date: 2017-05-25T10:59:50Z
• Authors: Sen Zhang; Qianping Chen; Yan Liu; Aitian Chen; Lifeng Yang; Peisen Li; Zhou Shi Ming; Yi Yu; Wen Sun; Xiaozhong Zhang; Yuelei Zhao; Young Sun; Yonggang Zhao
• Keywords: Magnetism; Magnetocrystalline anisotropy; Magnetoelectric effect

Strain-mediated ferromagnetic/ferroelectric (FE) heterostructures have played an important role in multiferroic materials to investigate the electric-field control of magnetism past decade, due their excellent performances, such as room-temperature operation and large magnetoelectric (ME) coupling effect. Because different FE-switching-originated strain behaviors varied interfacial effect, both loop-like (nonvolatile) butterfly-like (volatile) converse ME effects been reported. Here, we a heterostructure composed polycrystalline Fe thin film Pb(Mg1/3Nb2/3)0.7Ti0.3O3 single crystal, experimental results exhibit complex behaviors, suggesting coexistence volatile nonvolatile effects. By separating symmetrical antisymmetrical parts electrical modulation magnetization, distinguished hysteresis magnetization changes tuned by electric fields, corresponding related FE 109° switching 71/180° switching, respectively. Further magnetic-field-dependent well angular-dependent investigation effect confirmed strain-mediated involving competition among Zeeman energy, magnetocrystalline anisotropy strain-generated magnetoelastic energy. This study is helpful for understanding its relevant applications.