Abstract

The local structure and the g factors for the orthorhombic Ti3+center in YAP are theoretically studied from the perturbation formulas of the g factors gx, gyand gzfor a 3d1ion in orthorhombic symmetry based on the cluster approach. The observed large anisotropy of the g factors may be attributed to the significant low-symmetrical (tetragonal and orthorhombic) distortion near the Al3+site occupied by the impurity Ti3+. The calculated g factors in this work show reasonable agreement with the experimental data.

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