Exciton migration in crystals of antiferromagnetic manganese compounds
É. V. MatyushkinPhysicotechnical Institute of Low Temperatures, Academy of Sciences of the Ukrainian SSR, Khar’kovV. I. SmushkovPhysicotechnical Institute of Low Temperatures, Academy of Sciences of the Ukrainian SSR, Khar’kov
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The luminescence and excitation spectra of antiferromagnetic RbMnCl3 and CsMnCl3 crystals are investigated. Exciton autolocalization has been found. The nature of exciton motion in antiferromagnetic CsMnF3, NaMnCl3, RbMnCl3, and CsMnCl3 crystals is compared. It is shown that the interaction of an exciton with lattice vibrations exerts a decisive influence on the electron excitation energy transport process.
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