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Electric-field control of magnetism in iron oxide nanoparticle / BaTiO3 film composites

2019/10/09 by L. -M. Wang, O. Petracic, Wang, L. -M. +6
Energy · Engineering · Materials Science · Physics and Astronomy · #Characterization and Applications of Magnetic Nanoparticles #FOS: Physical sciences #Iron oxide chemistry and applications #Mesoscale and Nanoscale Physics (cond-mat.mes-hall) #Multiferroics and related materials #cond-mat.mes-hall

paper · pdf · doi:10.48550/arxiv.1910.04127

arxiv created 2019/10/09 · openalex publication_date 2019/10/09 · arxiv updated 2019/10/10 · openalex created_date 2022/09/18 · openalex updated_date 2026/07/28

Abstract

We study composites of monodisperse ferrimagnetic nanoparticles (NPs) embedded into ferroelectric barium titanate (BTO) films. The BTO films were prepared by pulsed laser deposition. The composite consists of a stack of two BTO films sandwiching one monolayer of iron oxide NPs. We observe a magnetoelectric coupling due to strain and interface charge co-mediation between the BTO and the NPs. This is demonstrated by measurements of the magnetization as function of DC and AC electric fields.

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