Mechanism of magnetic field induced enhancement of luminescence in antiferromagnets
V. V. EremenkoPhysicotechnical Institute of Low Temperatures, Academy of Sciences of the Ukrainian SSRÉ. V. MatyushkinPhysicotechnical Institute of Low Temperatures, Academy of Sciences of the Ukrainian SSRV. V. ShapiroPhysicotechnical Institute of Low Temperatures, Academy of Sciences of the Ukrainian SSRR. Ya. BronPhysicotechnical Institute of Low Temperatures, Academy of Sciences of the Ukrainian SSR
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The luminescence of an antiferromagnetic KMnF3 crystal has been investigated in magnetic fields up to 260 kOe, The glow enhancement observed is explained in terms of the exciton model, taking into account the noncollinearity of the magnetic structure induced by the external field.
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