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Nonmagnetic Doping Effect on the Magneto-Transport Properties of Mn Doped ZnO Dilute Magnetic Semiconductors

MRS Online Proceedings Library volume 891, Article number: 1002 (2005) Cite this article

Abstract

In this paper we report non magnetic elements (Al and Cu) doping effect on the structural and magneto-transport properties of Zn0.85Mn0.15O dilute magnetic semiconductors. Thin films of undoped Zn0.85Mn0.15O (ZnMnO), Al doped Zn0.80Al0.05Mn0.15O (ZnMnAlO), and Cu doped Zn0.85Cu0.05Mn0.15O (ZnMnCuO) were grown on sapphire single crystals using pulse laser deposition technique. X-Ray Diffraction and Raman Spectra confirm the epitaxial growth with a strong orientation along the c-axis. Scanning Electron Microscopy and Atomic Force Microscopy reveals surface microstructure of all the films. Magneto transport properties quantify the carrier concentrations and mobilities at room temperature in all the films.

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Authors and Affiliations

  1. Physics, Astronomy and Materials Science, Missouri State University, Springfield, MO, USA

    Govind Mundada, Srikanth Manchiraju, T. Kehl, Sandhya Pulugam, P. Kahol & K. Ghosh

  2. Center for Applied Science and Engineering, Missouri State University, Springfield, MO, USA

    R. J. Patel

Authors
  1. Govind Mundada
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  2. Srikanth Manchiraju
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  3. T. Kehl
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  4. Sandhya Pulugam
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  5. R. J. Patel
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  6. P. Kahol
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  7. K. Ghosh
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Mundada, G., Manchiraju, S., Kehl, T. et al. Nonmagnetic Doping Effect on the Magneto-Transport Properties of Mn Doped ZnO Dilute Magnetic Semiconductors. MRS Online Proceedings Library 891, 1002 (2005). https://doi.org/10.1557/PROC-0891-EE10-02

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  • DOI: https://doi.org/10.1557/PROC-0891-EE10-02