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Spin-Hamiltonian parameters and off-center displacements for Rh4+ and Ir4+ ions in rhombohedral BaTiO3.

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First Author : Wen-Chen Zheng

Date of Publication : 2009-01-01

Journal : Radiation Effects and Defects in Solids

Affiliation of Author(s) : 数理与信息工程学院

Document Type : 期刊

Volume : Vol.164

Issue : No.3

Page Number : 178-182

ISSN : 1042-0150

Key Words : HAMILTONIAN;systems;HYPERFINE;structure;CRYSTALS;PEROVSKITE;ELECTRONS

Abstract : By means of the formulae based on the first-order theory of resonance for a low-spin 2T2 term in trigonal symmetry, the spin-Hamiltonian parameters (g factors g//, g⊥ and hyperfine structure constants A//, A⊥) for Rh4+(4d5) and Ir4+(5d5) ions in the low-t

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Pre One : Theoretical studies of the spin-Hamiltonian parameters and their stress dependences for Ru<sup>3+</sup> and Ir<sup>4+</sup> ions in Y<sub>3</sub>Ga<sub>5</sub>O<sub>12</sub> crystals.

Next One : Studies of spin-Hamiltonian parameters and defect structures for two tetragonal Ir4+ centers in MgO and CaO crystals.

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