Preparation and Study of Strong Magnetoelectric Coupling on Multiferroic BaTiO3/La0.7Sr0.3MnO3 Bilayer Heterostructure

Abstract:

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The BaTiO3/La0.7Sr0.3MnO3((BTO/LSMO) bilayer films had been epitaxially grown on (001) oriented LaAlO3 (LAO) single crystal substrate by using pulsed laser deposition technique,. The measurements of electric and magnetic properties showed that the bilayer heterostructure possessed low dielectric constant (εr=263), high ferromagnetic curie temperature (Tc=317K), and natural ferromagnetic and ferroelectric properties. The magnetoelectric (ME) voltage coefficient for the bilayer heterostructures at room temperature was around 140 mV/cm.Oe, which is one magnitude order higher than others. The interface coupling parameter k between ferromagnetic and ferroelectric layers was 0.68.

Info:

Periodical:

Advanced Materials Research (Volumes 295-297)

Edited by:

Pengcheng Wang, Liqun Ai, Yungang Li, Xiaoming Sang and Jinglong Bu

Pages:

2015-2019

DOI:

10.4028/www.scientific.net/AMR.295-297.2015

Citation:

T. X. Li et al., "Preparation and Study of Strong Magnetoelectric Coupling on Multiferroic BaTiO3/La0.7Sr0.3MnO3 Bilayer Heterostructure", Advanced Materials Research, Vols. 295-297, pp. 2015-2019, 2011

Online since:

July 2011

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