Electron paramagnetic resonance study of platinum impurity ions in KTiOAsO4 crystals

Jiang, Yongquan; Halliburton, L. E.

doi:10.1016/j.jcrysgro.2008.06.055

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“…The structure of KTP belongs to mm2 point group and Pna2 1 space group, containing strongly distorted PO 4 tetrahedra and TiO 6 octahedra. [16][17][18] The TiO 6 octahedra with orthorhombic compression distortions can be divided into two sorts by the crystallographically inequivalent sites (Ti1 and Ti2), combining together in the -OT2-Ti1-OTi1-Ti2-OT2chain (see Figure 1(a)). [17] Despite four Ti 3+ centres observed in flux-grown KTP, [6,14] merely the most abundant centre C 1 on Ti2 site is analyzed here.…”

Section: Theoretical Formulaementioning

confidence: 99%

Analysis on the local structures for 3d¹ impurities (Ti³⁺ and V⁴⁺) in KTiPO₄

Ding

Zhang

et al. 2017

Magnetic Reson in Chemistry

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Ti2 sites, respectively, in view of the Jahn-Teller effect. The above local orthorhombic distortion parameters in the impurity centres are found to be more significant than the host Ti1 and Ti2 sites in pure KTiOPO 4 .The sequences (C 1 > C 2 > C 3 ) of the local orthorhombic distortion parameters ρ and τ are in accordance with those of the axial and perpendicular anisotropiesΔg and δg of g factors, respectively.

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