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Jahn-Teller Theory of the Ti3+ Ion in Corundum

✍ Scribed by R. Rai

Book ID
104543580
Publisher
John Wiley and Sons
Year
1972
Tongue
English
Weight
430 KB
Volume
52
Category
Article
ISSN
0370-1972

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✦ Synopsis

Abstract

The apparent reductions in the trigonal field and spin‐orbit interactions in Ti^3+^ ion doped in Al~2~O~3~ is explained to be due to the presence of a moderate Jahn‐Teller effect. The spin‐orbit, trigonal field, and a part of the Jahn‐Teller interaction which causes three equivalent oscillations along the three pseudo‐fourfold axes of the complex, are treated on equal footing. The effect of the tunnelling through the potential barriers between these equivalent oscillations is considered as a perturbation. The resulting ground wave functions are used to calculate the EPR g‐values. The theoretical values are compared with the experimental magnetic and spectroscopic results.

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## Abstract The photodetachment spectroscopy of B anion is theoretically studied with the aid of a quantum dynamical approach. The theoretical results are compared with the available experimental photoelectron spectra of B. Both B and B~3~ possess D~3__h__~ symmetry at the equilibrium configuration