Abstract

Magnetoelectric (ME) Bi3.25Nd0.75Ti3O12–La0.6Ca0.4MnO3 (BNT–LCMO) composite thin films were deposited on Pt/Ti/SiO2/Si(100) substrates by a simple SOL–GEL method and spin-coating process with two different deposition sequences: BNT/LCMO/Pt/Ti/SiO2/Si(BLP) and LCMO/BNT/Pt/Ti/SiO2/Si(LBP). Our results show the composite thin films exhibit both good ferroelectric and magnetic properties, as well as a ME effect. BLP thin films have larger maximum ME voltage coefficient values than LBP structured thin films. The deposition sequence has a notable effect on the ferroelectric and magnetic properties and ME coupling behavior of the bi-layer thin films.

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