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On the Dependence of the Electron Paramagnetic Resonance Line Intensities on the Microwave Field Orientation

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Abstract

Electron paramagnetic resonance (EPR) spectra of Ni-doped gallium borate show a surprisingly pronounced dependence of certain line intensities on the orientation of the microwave field B 1 with respect to the crystal axes. In order to account for this dependence, we have considered in detail the B 1 caused perturbation matrix and obtained an expression of the angular dependence of transition probabilities between spin levels. Computer-generated EPR spectra taking into account this dependence provide good fits to the experimental spectra characteristics.

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Acknowledgments

This work was partially supported by RFBR Grant No. 14-42-01557.

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Authors and Affiliations

  1. Faculty of Physics and Computer Sciences, Crimean Federal University, Simferopol, Crimea, Russian Federation

    Kira Seleznyova, Sergey Yagupov & Mark Strugatsky

  2. LOMA, UMR 5798 Université de Bordeaux-CNRS, 33405, Talence Cedex, France

    Kira Seleznyova & Janis Kliava

Authors
  1. Kira Seleznyova
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  2. Sergey Yagupov
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  3. Mark Strugatsky
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  4. Janis Kliava
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Correspondence to Janis Kliava.

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Seleznyova, K., Yagupov, S., Strugatsky, M. et al. On the Dependence of the Electron Paramagnetic Resonance Line Intensities on the Microwave Field Orientation. Appl Magn Reson 46, 1323–1330 (2015). https://doi.org/10.1007/s00723-015-0723-y

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  • DOI: https://doi.org/10.1007/s00723-015-0723-y

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