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EPR of Gd3+ ion in mixed CeO2-Y2O3 nanocrystals

  • Defects and Impurity Centers, Dislocations, and Physics of Strength
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Abstract

This paper reports on the results of EPR studies of mixed CeO2-Y2O3 crystals (including nanosized crystals) doped by gadolinium ions. It is revealed that the width of the line corresponding to the allowed transition 1/2 ↔ −1/2 between the Kramers-conjugated states |±1/2〉 of the Gd3+ ion decreases with a decrease in the powder size from macrosizes to nanosizes. The observed dependence can be due to the increase in the unit cell size during grinding of the samples.

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Authors and Affiliations

  1. Kazan State University, Kremlevskaya ul. 18, Kazan, 420008, Tatarstan, Russia

    L. K. Aminov, I. N. Kurkin & R. M. Rakhmatullin

  2. Faculty of Physics and Earth Sciences, University of Leipzig, Ritterstraße 26, Leipzig, D-04109, Germany

    R. Böttcher & A. Pöppl

  3. Department of Chemical Engineering and Materials Science, University of California, One Shields Avenue, Davis, CA, 95616, USA

    S. Sen

Authors
  1. L. K. Aminov
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  2. I. N. Kurkin
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  3. R. M. Rakhmatullin
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  4. R. Böttcher
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  5. A. Pöppl
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  6. S. Sen
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Correspondence to R. M. Rakhmatullin.

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Original Russian Text © L.K. Aminov, I.N. Kurkin, R.M. Rakhmatullin, R. Böttcher, A. Pöppl, S. Sen, 2009, published in Fizika Tverdogo Tela, 2009, Vol. 51, No. 11, pp. 2151–2154.

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Aminov, L.K., Kurkin, I.N., Rakhmatullin, R.M. et al. EPR of Gd3+ ion in mixed CeO2-Y2O3 nanocrystals. Phys. Solid State 51, 2282–2285 (2009). https://doi.org/10.1134/S1063783409110146

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  • DOI: https://doi.org/10.1134/S1063783409110146

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