Magnetoelectric coupling induced multistate magnetization |
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Authors: | Zhiguang Wang Yanxi Li Yaodong Yang Jiefang Li Dwight Viehland |
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Institution: | 1. Electronic Materials Research Laboratory, Key Laboratory of the Ministry of Education & International Center for Dielectric Research, Xi''an Jiaotong University, Xi''an 710049, China;2. Department of Materials Science and Engineering, Virginia Tech, Blacksburg, VA 24061, USA |
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Abstract: | Complex oxides provide an ideal playground for exploring the interplay among the fundamental degrees of freedom: structural (lattice), electronic (orbital and charge), and magnetic (spin). With trends toward device miniaturization, there is growing interest in combining electronic and magnetic properties into multifunctional thin-film materials for potential applications in novel versatile devices. Here, we report growth of ferromagnetic nanostructures on ferroelectric ()Pb(Mg1/3Nb2/3)O3]???xPbTiO3] (PMN-PT) single crystals. With careful control of material composition and application of electric field direction and amplitude, we realized stabilization of both monoclinic and orthorhombic phases in the PMN-PT single crystals with the intrinsic rhombohedral phase. Multistate magnetization modulation has been realized through phase transformation control in the ferroelectric component. This finding promises multistate information recording through magnetoelectric effect. |
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Keywords: | Magnetoelectric Phase transformation Thin film Epitaxy |
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