Paramagnetic resonance and near-infrared optical absorption of SrTiO3:Ir4+
作者： O F Schirmer , A Forster , H Hesse , M Wohlecke , S Kapphan
DOI: 10.1088/0022-3719/17/7/024
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摘要: The ESR of the first 5d ion (5d5 in a strong cubic crystal field) identified SrTiO3, Ir4+, is observed at g approximately=1.6 with slight temperature-dependent tetragonal anisotropy. Due to high covalency, orbital reduction factor rather small: k=0.5 0.7, meaning that amplitude wavefunction higher ligands than central ion, line recent results for covalent semiconductors.
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