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Effects of thermal annealing on the texture of La0.67Sr0.33MnO3 thin films

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Abstract

Thin films of La0.67Sr0.33MnO3 (LSMO) were prepared at 670 °C on LaAlO3 (LAO) and SrTiO3 (STO) substrates by liquid-delivery metalorganic chemical vapor deposition. X-ray diffraction analysis 2¸/¸ and pole figure scans showed that the films are epitaxial with (001)LSMO//(001)LAO and (001)LSMO//(001)STO. The crystal structure of LSMO/LAO was indexed as face-centered cubic with a double cell and LSMO/STO as simple cubic. Electron microscopy revealed square facets and elongated grain features. Films heat-treated between 700 and 800 °C on LAO resulted in a structural change, while those on STO showed an increase in texture.

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Authors and Affiliations

  1. FAMU-FSU College of Engineering & MARTECH, Center for Nonlinear and Non-equilibrium Aerosciences (CeNNas), and The National High Magnetic Field Laboratory (NHMFL), 1800 East Paul Dirac Drive, 32310, Tallahassee, Florida, USA

    Lamartine Meda, LaQuita Kennon, Cristiane Bacaltchuk & Hamid Garmestani

  2. Department of Chemistry & MARTECH, The Florida State University, 32306-4390, Tallahassee, Florida, USA

    Klaus H. Dahmen

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  1. Lamartine Meda
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  2. LaQuita Kennon
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  3. Cristiane Bacaltchuk
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  4. Hamid Garmestani
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  5. Klaus H. Dahmen
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Correspondence to Hamid Garmestani.

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Meda, L., Kennon, L., Bacaltchuk, C. et al. Effects of thermal annealing on the texture of La0.67Sr0.33MnO3 thin films. Journal of Materials Research 16, 1887–1889 (2001). https://doi.org/10.1557/JMR.2001.0258

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  • DOI: https://doi.org/10.1557/JMR.2001.0258

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