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Electron spin resonance in single crystal yttria stabilized zirconia

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Abstract

Electron spin resonance has been observed at 35 GHz in 8 and 12 mol % yttria stabilized zirconia single crystals before and after blackening by current passage. Measurements were made between 293 and 77K. In both as-grown and blackened crystals the spectra showed anisotropic lines (type A) characterized by g ‖=2.003±0.002 and g ⊥=1.880 ±0.002 with respect to a [1 1 1] symmetry axis and a broader, slightly anisotropic line (type B) centred near g=1.993. In current blackened crystals a weak isotropic line (type C) was also found near g=1.986. The type A lines are attributed to a charged complex formed by an electron trapped at an oxygen vacancy and associated with an yttrium ion. Tentative models are suggested to explain the type-B and type-C lines.

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Authors and Affiliations

  1. Department of Applied Physics and Electronics, University of Durham, UK

    J. S. Thorp, A. Aypar & J. S. Ross

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  1. J. S. Thorp
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  2. A. Aypar
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  3. J. S. Ross
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Thorp, J.S., Aypar, A. & Ross, J.S. Electron spin resonance in single crystal yttria stabilized zirconia. J Mater Sci 7, 729–734 (1972). https://doi.org/10.1007/BF00549900

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  • DOI: https://doi.org/10.1007/BF00549900

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