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Magnetic splitting of optical phonons in cubic dysprosium aluminum garnet

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Zeitschrift für Physik B Condensed Matter

Abstract

The magnetic splitting of triply degenerate (T 2g )-phonons in the cubic Rare Earth compound dysprosium-aluminum-garnet could be observed making use of the polarization properties of the Raman-effect.

The theoretical predictions of a phenomenological symmetry analysis are compared to a more detailed microscopic treatment of the observations in terms of the magnetoelastic interaction.

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Author notes

  1. G. Janotta

    Present address: Institut für Physikalische Chemie, Universität Würzburg, Marcusstrasse 4, D-8700, Würzburg, FRG

  2. Shi Shan

    Present address: Physics Department, University of Science and Technology of China, 230029, Helei (Anhui), P.R. China

Authors and Affiliations

  1. Physikalisches Institut, Universität Würzburg, Am Hubland, D-8700, Würzburg, Federal Republic of Germany

    M. Dahl, G. Janotta, G. Schaack & Shi Shan

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  1. M. Dahl
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  2. G. Janotta
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  3. G. Schaack
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  4. Shi Shan
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Dahl, M., Janotta, G., Schaack, G. et al. Magnetic splitting of optical phonons in cubic dysprosium aluminum garnet. Z. Physik B - Condensed Matter 76, 327–334 (1989). https://doi.org/10.1007/BF01321910

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  • DOI: https://doi.org/10.1007/BF01321910

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