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Low-temperature Kerr spectroscopy on half-metallic Sr2FeMoO6

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2000

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Rabe, M.
Güntherodt, Gernot
Yin, H. Q.
Dass, Ronald I.
Goodenough, John B.

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Applied Physics Letters. 2000, 77(14), pp. 2216-2218. Available under: doi: 10.1063/1.1313810

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The polar Kerr rotation and ellipticity spectra of epitaxially grown (001)-oriented half-metallic Sr2FeMoO6 thin films have been determined in the photon energy range from 1.2 to 4.9 eV. The Kerr rotation spectrum shows three maxima at E = 1.6, 4.0, and 4.65 eV. The maxima at 4.0 and 4.65 eV are consistent with spin-polarized band structure calculations for interband transitions from the O-2p to the minority-spin pi*Mo/Fe and majority-spin Mo-t2g bands, respectively. The overall maximum intrinsic Kerr rotation is ThetaK = 0.045° at a photon energy of 4.65 eV. The maximum of ThetaK at E = 1.6 eV coincides with a minimum in the reflectivity due to the plasma edge of Sr2FeMoO6 and, therefore, is not related to an interband transition.

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ISO 690RÜDIGER, Ulrich, M. RABE, Gernot GÜNTHERODT, H. Q. YIN, Ronald I. DASS, John B. GOODENOUGH, 2000. Low-temperature Kerr spectroscopy on half-metallic Sr2FeMoO6. In: Applied Physics Letters. 2000, 77(14), pp. 2216-2218. Available under: doi: 10.1063/1.1313810
BibTex
@article{Rudiger2000Lowte-9239,
  year={2000},
  doi={10.1063/1.1313810},
  title={Low-temperature Kerr spectroscopy on half-metallic Sr2FeMoO6},
  number={14},
  volume={77},
  journal={Applied Physics Letters},
  pages={2216--2218},
  author={Rüdiger, Ulrich and Rabe, M. and Güntherodt, Gernot and Yin, H. Q. and Dass, Ronald I. and Goodenough, John B.}
}
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