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Magneto-optical Studies of Spin Phenomena in CdMnTe Doped with Co and Cr

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We investigate the magneto-optical and magnetic properties of two quaternary diluted magnetic semiconductor alloys, Cd1−x−y Mn x Cr y Te and Cd1−x−y Mn x Co y Te, with fixed Mn concentration x ∼ 0.37 and, respectively, with concentrations of Cr in the range 0 < y < 0.07 and Co in the range␣0 < y < 0.009. The introduction of Cr and Co leads to very different behaviors, including the occurrence of ferromagnetic order in the case of Cd1−x−y Mn x Cr y Te. We discuss the possible origins leading to the observed behaviors.

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Acknowledgements

This work was supported by the 2008 Research Fund of the University of Ulsan and by the National Science Foundation Grant DMR06-0603752.

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Authors and Affiliations

  1. Department of Physics, University of Notre Dame, Notre Dame, IN 46556, USA

    S. Shen, X. Liu, K. Tivakornsasithorn, Y. H. Cho, J. K. Furdyna & M. Dobrowolska

  2. Department of Physics, University of Ulsan, Ulsan, Korea

    Y. H. Hwang & Y. H. Um

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  1. S. Shen
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  2. X. Liu
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  3. K. Tivakornsasithorn
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  4. Y. H. Cho
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  5. J. K. Furdyna
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  7. Y. H. Hwang
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  8. Y. H. Um
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Correspondence to S. Shen.

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Shen, S., Liu, X., Tivakornsasithorn, K. et al. Magneto-optical Studies of Spin Phenomena in CdMnTe Doped with Co and Cr. J. Electron. Mater. 38, 1554–1557 (2009). https://doi.org/10.1007/s11664-009-0785-4

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  • DOI: https://doi.org/10.1007/s11664-009-0785-4

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