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Theoretical investigation of the EPR parameters and the crystal lattice defects of the trigonal symmetry in RbCdF3:Cr3+

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Abstract

In this paper, the electron paramagnetic resonance (EPR) parameters in RbCdF3:Cr3+ have been studied by means of energy matrices and the Newman superposition model, the theoretical results are in excellent agreement with the experimental ones. The existence of Rb+ vacancy and the lattice distortion have been verified. The EPR parameters arising from the Rb+ vacancy itself and the crystal lattice distortion are analyzed and calculated. We obtain that the six ligand F− ions move to the central Cr3+ ion by Δ = 0.0013 nm, and the front three F− ions rotate 2.98° away from the [111] axis while the back three F− ions rotate 1.016° toward it.

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  1. Department of Physics, Baoji College of Arts and Science, Baoji, China

    Z. -Y. Yang

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  1. Z. -Y. Yang
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Yang, Z.Y. Theoretical investigation of the EPR parameters and the crystal lattice defects of the trigonal symmetry in RbCdF3:Cr3+ . Appl. Magn. Reson. 18, 455–461 (2000). https://doi.org/10.1007/BF03162291

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  • DOI: https://doi.org/10.1007/BF03162291

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