Spin-wave-assisted photoluminescence in MnO at low temperatures

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, , Citation S Mochizuki et al 1992 J. Phys.: Condens. Matter 4 6501 DOI 10.1088/0953-8984/4/30/018

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1 Dept. of Phys., Nihon Univ., Tokyo, Japan

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0953-8984/4/30/6501

Abstract

The temperature dependences of the peak energies and intensities of the high-energy band (band A) and the low-energy band (band B) of the spin-wave-assisted photoluminescence in MnO have been studied at low temperatures down to 5 K. Side bands due to combinations of the elementary excitations (Mn2+ excitons, spin-wave quanta (magnons), TO phonons and LO phonons) were also observed below 40 K as shoulders appearing on the high-energy side of band A.

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10.1088/0953-8984/4/30/018