Dynamic Jahn-Teller Effect in the ${}^{4}T_{2}$ Excited States of $d^{3, 7}$ Ions in Cubic Crystals. I. $V^{2 +}$ in KMg $F_{3}$

1 February 1970

journal article
research article
Published by American Physical Society (APS) in Physical Review B

Vol. 1 (3), 1005-1012
https://doi.org/10.1103/physrevb.1.1005

Abstract

We have measured the spin-orbit splitting, Zeeman effect, and splitting under

〈 001 〉

stress of the lowest vibronic levels of the

{}^{4}T_{2}

term of

V^{2 +}

in the octahedral site of KMg

F_{3}

. The results are compared with the predictions of the Ham theory of the dynamic Jahn-Teller effect in the strong-coupling regime, extended to include the effects of interterm spin-orbit coupling. With essentially only one adjustable parameter, this comparison is a very searching test of the theory. Excellent quantitative agreement with the first-order theory is found. The second-order corrections are small, but are found to be in at least qualitative agreement with experiment.

Keywords

This publication has 21 references indexed in Scilit:

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Physical Review B, 1968
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Cited by 85 articles

Dynamic Jahn-Teller Effect in theT24Excited States ofd3,7Ions in Cubic Crystals. I.V2+in KMgF3

Abstract

Keywords

Dynamic Jahn-Teller Effect in the ${}^{4}T_{2}$ Excited States of $d^{3, 7}$ Ions in Cubic Crystals. I. $V^{2 +}$ in KMg $F_{3}$