Abstract

Under the resonance excitation of free excitons in cubic Zn 0.99Mn 0.01Se crystals we observed an unexpectedly strong effect of applied magnetic field on the intra-centre luminescence of the Mn 2+ ions. Strong enough difference is revealed between the manifestation of this effect in σ + and σ - Mn 2+ luminescence under σ + and σ - exciton pumping. The observed effect is attributed to a specific influence, left out of the consideration in earlier studies, of the carrier-ion exchange interaction on the energy transfer from excitons to the subsystem of the Mn 2+ ions.

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