Magnetoelectric coupling in La0.67Sr0.33MnO3/ 0.7Pb (Mg1/3Nb2/3) O3-0.3PbTiO3 heterostructure as a function of thickness
Electric field manipulation of magnetism in oxide heterostructure has a broad playground with a great potential to impact magnetic data storage, spintronics and high – frequency magnetic devices. Most of the information storage device require high – density current to read or write the information stored in the magnetization. A structure where one could manipulate magnetization with an applied electric field would significantly reduce the switching power and energy dissipation. Since correlated complex oxides possess strong couplings between lattice, charge, spin and orbital degrees of freedom, one can explore the mechanism of magnetoelectric coupling (1). We deposited an artificial multiferroic heterostructure, which comprises of ferromagnetic thin film La0.67Sr0.33MnO3 – LSMO onto piezoelectric substrate 0.7Pb (Mg1/3Nb2/3) O3-0.3PbTiO3 – PMN-PT. By applying voltage, we plan to investigate how strain and switching polarization of ferroelectric PMN-PT would influence the magnetization of LSMO. In order to get access to the microscopic properties of this coupling, we need neutron reflectometry for probing magnetic depth profile of the resulting interface.
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BHATNAGAR Tanvi; BRUECKEL Thomas; KENTZINGER Emmanuel; SAERBECK Thomas; SARKAR Anirban; SCHOEFFMANN Patrick; Annika Stellhorn and VOROBIEV Alexei. (2020). Magnetoelectric coupling in La0.67Sr0.33MnO3/ 0.7Pb (Mg1/3Nb2/3) O3-0.3PbTiO3 heterostructure as a function of thickness. Institut Laue-Langevin (ILL) doi:10.5291/ILL-DATA.5-54-316
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