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DIRECT GROWTH OF EPITAXIALLa0.67Ca0.33MnO3 - δTHIN FILMS

Author

Listed:
  • G. CAMPILLO

    (Departamento de Física, Universidad del Valle, Cali, A. A. 25360, Colombia)

  • L. F. CASTRO

    (Departamento de Física, Universidad del Valle, Cali, A. A. 25360, Colombia)

  • P. VIVAS

    (Departamento de Física, Universidad del Valle, Cali, A. A. 25360, Colombia)

  • E. BACA

    (Departamento de Física, Universidad del Valle, Cali, A. A. 25360, Colombia)

  • P. PRIETO

    (Departamento de Física, Universidad del Valle, Cali, A. A. 25360, Colombia)

  • D. ARIAS

    (GFMC, Departamento de Física Aplicada III, Universidad Complutense de Madrid, 28040, Madrid, Spain)

  • J. SANTAMARÍA

    (GFMC, Departamento de Física Aplicada III, Universidad Complutense de Madrid, 28040, Madrid, Spain)

  • A. BERGER

    (Materials Science Division, Argonne National Laboratory, Argonne, IL 60439, USA)

  • S. D. BADER

    (Materials Science Division, Argonne National Laboratory, Argonne, IL 60439, USA)

Abstract

La0.67Ca0.33MnO3 - δthin films were deposited using a high-pressure dc-sputtering process. Pure oxygen at a pressure of 3.8 mbar was used as sputtering gas. The films were grown on (001)LaAlO3and (001)SrTiO3substrates at heater temperature of 850° without any annealing treatment. The formation of highlya-axis-oriented films with sharp interface with substrate surface is demonstrated by X-ray diffraction, transmission electron microscope (TEM), and atomic force microscope (AFM) analysis. Electrical characterization revealed a metal–insulator transition atTMI= 276K, and magnetic characterization showed good magnetic properties with a PM–FM transition atTC≈ 262K.

Suggested Citation

  • G. Campillo & L. F. Castro & P. Vivas & E. Baca & P. Prieto & D. Arias & J. Santamaría & A. Berger & S. D. Bader, 2002. "DIRECT GROWTH OF EPITAXIALLa0.67Ca0.33MnO3 - δTHIN FILMS," Surface Review and Letters (SRL), World Scientific Publishing Co. Pte. Ltd., vol. 9(05n06), pages 1611-1615.
    • Handle: RePEc:wsi:srlxxx:v:09:y:2002:i:05n06:n:s0218625x02004086
    DOI: 10.1142/S0218625X02004086
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    Keywords

    ; 81.10.F; 75.70.P; 81.40;
    All these keywords.

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