Exchange Interactions in the Cr3+-Cr3+ Ion Pair in the ABO(3) (A = Ga, In, Sc) Diamagnetic Matrix

Vorotynov, A. M.; Rudenko, V. V.; Vorotynova, O. V. Physics Of The Solid State. DOI: 10.1134/S1063783420030257

The exchange interactions in the Cr3+–Cr3+ ion pairs in the isostructural ABO3 (A = Ga, In, Sc) diamagnetic compounds have been examined using the magnetic resonance technique. The values of bilinear and biquadratic exchange interactions have been determined. It is shown that the biquadratic exchange in the Cr3+–Cr3+ pair in these compounds is caused by the exchange striction.


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