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The Effects of Substrate-Induced Strains on the Charge-Ordering Transition in Nd0.5Sr0.5MnO3 Thin Films

Published online by Cambridge University Press:  10 February 2011

W. Prellier ,
Amlan Biswas ,
M. Rajeswari ,
T. Venkatesan  and
R.L. Greene
W. Prellier
Affiliation:
Center for Superconductivity Research and Department of Physics, University of Maryland, College Park, MD 20472-4111, USA Current address: Laboratoire CRISMAT-ISMRA, CNRS UMR 6508, 6 Bd. du Maréchal Juin, 14050 Caen, FRANCE
Amlan Biswas
Affiliation:
Center for Superconductivity Research and Department of Physics, University of Maryland, College Park, MD 20472-4111, USA
M. Rajeswari
Affiliation:
Center for Superconductivity Research and Department of Physics, University of Maryland, College Park, MD 20472-4111, USA
T. Venkatesan
Affiliation:
Center for Superconductivity Research and Department of Physics, University of Maryland, College Park, MD 20472-4111, USA
R.L. Greene
Affiliation:
Center for Superconductivity Research and Department of Physics, University of Maryland, College Park, MD 20472-4111, USA
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Abstract

We report the growth and characterization of Nd0.5Sr0.5MnO3 thin films deposited by the Pulsed Laser Deposition (PLD) technique on [100]-oriented LaAlO3 substrates. X-ray diffraction (XRD) studies show that the films are [101]-oriented, with a strained and quasi-relaxed component, the latter increasing with film thickness. A post-annealing under oxygen leads to a quasi-relaxed film with a metallic behavior. We also observe that transport properties are strongly dependent on the thickness of the films. Variable temperature XRD down to 100 K suggests that this is caused by substrate-induced strain on the films.

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Type
Research Article
Information
MRS Online Proceedings Library (OPL) , Volume 602: Symposium JJ – Magnetoresistive Oxides & Related Materials , 1999 , 231
Copyright
Copyright © Materials Research Society 2000

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