Anisotropic exciton-magnon light absorption in manganese fluoride
V. V. ShapiroPhysicotechnical Institute of Low Temperatures, Academy of Sciences of the Ukrainian SSR , KharkovV. L. Faingol’dPhysicotechnical Institute of Low Temperatures, Academy of Sciences of the Ukrainian SSR , KharkovA. V. PeresadaPhysicotechnical Institute of Low Temperatures, Academy of Sciences of the Ukrainian SSR , Kharkov
ABI
Abstract
A dependence of exciton-magnon absorption coefficient (the optical transition bA1g (6S) → 4T1g (4P)) on the antiferromagnetism vector orientation relative to the C4 crystallographic axis is discovered in antiferromagnetic manganese fluoride. The dependence is interpreted in terms of the phenomenological approach.
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