The Jahn-Teller effect in a lithium gallium spinel
✍ Scribed by A.Yu. Kozhuhar; G.A. Tsintsadze; V.A. Shapovalov; V.N. Seleznev
- Publisher
- Elsevier Science
- Year
- 1973
- Tongue
- English
- Weight
- 152 KB
- Volume
- 42
- Category
- Article
- ISSN
- 0375-9601
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We analyze a combined (T+E)@ (r+s) Jahn-Teller plus pseudo-Jahn-Teller effect for the 'E ground state and the 'Tr first excited state in the P: cation. Ab initio SCF calculations point towards a significant interaction between the two states which are themselves subject to Jahn-Teller couplings. The
## Abstract The adibatic potential in the layer semiconductor GaSe is considered taking into account the Davydov splitting of the bands. It is shown that in the case of electron—phonon interaction which is responsible for the Jahn‐Teller pseudoeffect, distortions are possible either normal to layer