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Strain tuned magnetoelectric coupling in orthorhombic YMnO3 thin films
Martí Rovirosa, Xavier (Institut de Ciència de Materials de Barcelona)
Fina Martínez, Ignasi (Institut de Ciència de Materials de Barcelona)
Skumryev, Vassil (Universitat Autònoma de Barcelona. Departament de Física)
Ferrater Martorell, Cèsar (Universitat de Barcelona. Departament de Física Aplicada i Òptica)
Varela Fernández, Manuel, 1956- (Universitat de Barcelona. Departament de Física Aplicada i Òptica)
Fábrega Sánchez, Lourdes (Institut de Ciència de Materials de Barcelona)
Sánchez Barrera, Florencio (Institut de Ciència de Materials de Barcelona)
Fontcuberta i Griñó, Josep (Institut de Ciència de Materials de Barcelona)

Date: 2009
Abstract: Orthorhombic YMnO3epitaxialthin films were grown on Nb(0. 5%)-doped SrTiO3(001) substrates. Film's thickness was varied to tune the epitaxial strain. Structural and magnetic properties are well correlated, presenting a more pronounced ferromagnetic behavior as the unit cell becomes more distorted. Dielectric properties were investigated as a function of the temperature and magnetic field. The dielectric peak occurring at temperatures below the antiferromagnetic ordering is proved to be magnetoelectric and its amplitude is dependent on the unit cell distortion. These findings allow tailoring ferromagnetic and magnetoelectric properties via epitaxial strain.
Note: This article may be downloaded for personal use only. Any other use requires prior permission of the author and the American Institute of Physics.
Rights: Tots els drets reservats.
Language: Anglès.
Document: article ; recerca ; publishedVersion
Subject: Magnetic fields ; Dielectric thin films ; Ozone ; Dielectrics ; Permittivity ; Dielectric properties ; Antiferromagnetism ; Epitaxy ; Ferromagnetism ; Magnetic films
Published in: Applied physics letters, Vol. 95, Issue 14 (October 2009) , p. 142903/1-142903/3, ISSN 0003-6951

DOI: 10.1063/1.3238287


4 p, 484.5 KB

The record appears in these collections:
Research literature > UAB research groups literature > Research Centres and Groups (scientific output) > Experimental sciences > Group of Smart Nanoengineered Materials, Nanomechanics and Nanomagnetism (Gnm3)
Articles > Research articles
Articles > Published articles

 Record created 2014-02-19, last modified 2019-10-03



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