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Study of the T⊗t Jahn-Teller effect: ESR of Ag2+ in the alkaline earth fluorides

Published inSolid state communications, vol. 70, no. 5, p. 511-516
Publication date1989
Abstract

ESR results are reported on the Ag2+ ion introduced into alkaline earth fluoride crystals. In SrF2 (as in CaF2) a trigonal centre is present which tunnels between four equivalent C3 directions as shown by ESR under uniaxial stress. A T2g ⊗ t2g Jahn-Teller model describes adequately the paramagnetic and stress effects when the strong coupling case is considered. Ag2+ in BaF2 forms a static tetragonal cluster similar to Ag2+ and Cu2+ in SrCl2.

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Citation (ISO format)
BILL, Hans, LOVY, Dominique, HAGEMANN, Hans-Rudolf. Study of the T⊗t Jahn-Teller effect: ESR of Ag2+ in the alkaline earth fluorides. In: Solid state communications, 1989, vol. 70, n° 5, p. 511–516. doi: 10.1016/0038-1098(89)90941-1
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Journal ISSN0038-1098
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