Magnetoelastic coupling in La<inf>2/3</inf>Sr<inf>1/3</inf>MnO<inf>3</inf> thin films on SrTiO<inf>3</inf>

D. Pesquera, V. Skumryev, F. Sánchez, G. Herranz, J. Fontcuberta

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12 Citations (Scopus)

Abstract

Clamping of epitaxial La2/3Sr1/3MnO3 (LSMO) magnetic thin films on SrTiO3 (STO) substrates is shown to promote a clear modification of their magnetic properties at the STO cubic-tetragonal transition. Two distinct mechanisms triggered by the STO transition, namely magnetic domain pattern reconstruction and creation of regions within the magnetically soft LSMO with enhanced magnetic anisotropy, are proposed to be behind the observed anomalous magnetic responses at low ac-magnetic field and at high dc-field, respectively. The persistence of these anomalies in LSMO films as thick as 220 nm shines new light into the magnetoelastic coupling mechanisms across interfaces. © 2011 American Physical Society.
Original languageEnglish
Article number184412
JournalPhysical Review B - Condensed Matter and Materials Physics
Volume84
DOIs
Publication statusPublished - 14 Nov 2011

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