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Nonlinear optical spectroscopy of electronic transitions in hexagonal manganites

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Abstract.

The hexagonal rare-earth manganites RMnO3 (R = Sc, Y, Ho, Er, Tm, Yb, Lu) are a group of materials with an unusual combination of magnetic, electric and optical properties. The electronic structure of these materials was studied by second harmonic (SH) spectroscopy in the range from 1.2 to 3.0 eV. Faraday rotation and absorption spectra were measured in the range from 1.0 to 1.6 eV. Broad bands at ∼1.7 eV and ∼2.7 eV are assigned to electronic transitions between Mn3+(3d4) levels. The SH spectra are discussed on the basis of a recently developed microscopic theory.

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Authors and Affiliations

  1. Institut für Physik, Universität Dortmund, 44221 Dortmund, Germany, , , , , , DE

    C. Degenhardt, M. Fiebig, D. Fröhlich & Th. Lottermoser

  2. Ioffe Physical Technical Institute of the Russian Academy of Sciences, St. Petersburg 194021, Russia, , , , , , RU

    R.V. Pisarev

Authors
  1. C. Degenhardt
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  2. M. Fiebig
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  3. D. Fröhlich
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  4. Th. Lottermoser
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  5. R.V. Pisarev
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Received: 26 April 2001 / Published online: 18 July 2001

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Degenhardt, C., Fiebig, M., Fröhlich, D. et al. Nonlinear optical spectroscopy of electronic transitions in hexagonal manganites . Appl Phys B 73, 139–144 (2001). https://doi.org/10.1007/s003400100617

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  • DOI: https://doi.org/10.1007/s003400100617

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