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Magnetoelastic coupling in strained La0.7Ca0.3MnO3//BaTiO3 Thin Films

Published online by Cambridge University Press:  16 December 2013

A. Alberca ,
J. Azpeitia-Urkia ,
J. Tornos ,
C. Munuera ,
F. J. Mompean ,
N. M. Nemes ,
C. Leon ,
A. Hernando ,
Titusz Fehér  and
Ferenc Simon
...Show all authors
A. Alberca
Affiliation:
Instituto de Ciencias de Materiales de Madrid, CSIC, Sor Juana Inés de la Cruz 3, ES-28049 Madrid (Spain)
J. Azpeitia-Urkia
Affiliation:
Instituto de Ciencias de Materiales de Madrid, CSIC, Sor Juana Inés de la Cruz 3, ES-28049 Madrid (Spain)
J. Tornos
Affiliation:
Departamento de Física Aplicada III, Facultad de Física, Universidad Complutense, Ciudad Universitaria, ES-28040 Madrid (Spain)
C. Munuera
Affiliation:
Instituto de Ciencias de Materiales de Madrid, CSIC, Sor Juana Inés de la Cruz 3, ES-28049 Madrid (Spain)
F. J. Mompean
Affiliation:
Instituto de Ciencias de Materiales de Madrid, CSIC, Sor Juana Inés de la Cruz 3, ES-28049 Madrid (Spain)
N. M. Nemes
Affiliation:
Departamento de Física Aplicada III, Facultad de Física, Universidad Complutense, Ciudad Universitaria, ES-28040 Madrid (Spain)
C. Leon
Affiliation:
Departamento de Física Aplicada III, Facultad de Física, Universidad Complutense, Ciudad Universitaria, ES-28040 Madrid (Spain)
A. Hernando
Affiliation:
Departamento de Física de Materiales, Facultad de Física, Universidad Complutense, Ciudad Universitaria, ES-28040 Madrid (Spain)
Titusz Fehér
Affiliation:
Department of Physics, Budapest University of Technology and Economics, Budafoki ut 8, H-1111 Budapest (Hungary)
Ferenc Simon
Affiliation:
Department of Physics, Budapest University of Technology and Economics, Budafoki ut 8, H-1111 Budapest (Hungary)
B. J. Kirby
Affiliation:
Center for Neutron Research, NIST, Gaithersburg, MD 20899 (U.S.A.)
M. R. Fitzsimons
Affiliation:
Los Alamos National Laboratory, Los Alamos, NM 87545 (U.S.A.)
J. Santamaria
Affiliation:
Departamento de Física Aplicada III, Facultad de Física, Universidad Complutense, Ciudad Universitaria, ES-28040 Madrid (Spain)
M. Garcia-Hernandez
Affiliation:
Instituto de Ciencias de Materiales de Madrid, CSIC, Sor Juana Inés de la Cruz 3, ES-28049 Madrid (Spain)
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Abstract

In this paper, we explore the interfacial effects appearing in highly strained La0.7Ca0.3MnO3 (LCMO) ultra-thin films (10-12nm) grown on BaTiO3 (BTO) ferroelectric substrates. The strong tendency to phase separation of this optimally doped manganite contributes to the exotic phenomena observed in magnetism and transport experiments: the so-called Matteucci magnetic loops, magnetic granularity and a second metal insulator transition are observed between 50K and the LCMO Curie temperature, 180K. All these properties define the multiferroic character of these heterostructures, which in LCMO//BTO system is strongly linked to magnetoelastic coupling.

Keywords

thin filmmagnetic propertiesferroelectric
Type
Articles
Information
MRS Online Proceedings Library (OPL) , Volume 1587: Symposium D – Advances in Ferroelectric and Multiferroic Materials by Nanostructure Engineering , 2014 , jsapmrs13-1587-6902
Copyright
Copyright © Materials Research Society 2013 

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References

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