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

Bill, Hans; Lovy, Dominique; Hagemann, Hans-Rudolf

doi:10.1016/0038-1098(89)90941-1

Scientific article

Open access

English

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

ContributorsBill, Hans; Lovy, Dominique; Hagemann, Hans-Rudolf

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.

Affiliation

Faculté des sciences / Section de chimie et biochimie / Département de chimie physique

Research group

Groupe Bill

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

Article (Published version)

Identifiers

PID : unige:3072
DOI : 10.1016/0038-1098(89)90941-1

ISSN of the journal0038-1098

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

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