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ABSTRACT Multiferroic xBi3.25La0.75Ti3O12-(1-x)CoFe2O4 composite thin films with x = 0.5, 0.6, and 0.7 were deposited on Pt/Ti/SiO2/Si(100) substrates by a chemical solution deposition process. The well-defined ferroelectric loops are observed.… Click to show full abstract
ABSTRACT Multiferroic xBi3.25La0.75Ti3O12-(1-x)CoFe2O4 composite thin films with x = 0.5, 0.6, and 0.7 were deposited on Pt/Ti/SiO2/Si(100) substrates by a chemical solution deposition process. The well-defined ferroelectric loops are observed. The Pr values are 8.89, 11.97, and 13.78 μC/cm2 under the condition of about 350 kV/cm electric field for the composite films with x = 0.5, 0.6, and 0.7 respectively. The composite films exhibit typical magnetic hysteresis loops, as well as remnant magnetizations. Magnetoelectric effect which is dependent on Hbias is observed. The composite films exhibit both good ferroelectric and magnetic properties at room temperature, as well as a magnetoelectric effect.
Journal Title: Ferroelectrics
Year Published: 2017
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