Red emission from Mn2+ on a tetrhedral site in MgSiN2

C. Duan, A.C.A. Delsing, H.T.J.M. Hintzen

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Abstract

Solubility and photoluminescence properties of Mn2+ in MgSiN2 host lattice are reported in this paper. X-ray diffraction (XRD) analysis shows that Mn2+ ions can be totally incorporated into MgSiN2 host lattice, forming a complete solid solution with MnSiN2. Mn2+ on a tetrahedral site exhibits a red emission band in the wavelength range of 550–750 nm in MgSiN2. The long-wavelength emission of Mn2+ despite tetrahedral coordination in MgSiN2 is attributed to the effect of strong crystal field experienced by Mn2+ in a nitrogen coordination environment. Also there exists energy transfer between MgSiN2 host lattice and Mn2+ activator. The potential applications of this phosphor have been pointed out.
Original languageEnglish
Pages (from-to)645-649
JournalJournal of Luminescence
Volume129
Issue number6
DOIs
Publication statusPublished - 2009

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