Ts. Altshuler et Ms. Bresler, JAHN-TELLER EFFECT ON SM3-VALENCE COMPOUND SMB6( IONS IN MIXED), Czechoslovak journal of Physics, 46, 1996, pp. 1985-1986
Both static and dynamic Jahn-Teller (JT) effect was first observed in
electron spill resonance (ESR) on rare earth (RE) ions (ESR of Sm3+ io
ns in mixed-valence compound SmB6).