Research demonstrates the effects of erbium doping on emission properties in lanthanum oxysulfide powders, indicating their potential applications.
Lanthanum oxysulfide powders doped with Erbium ions were fabricated by the combustion method followed by sulfurization at 1000 °C under H2S + N2 atmosphere. X-ray diffraction confirms their single-phase nature (sp. gr. P-3m1). Raman spectroscopy reveals a maximum phonon energy of 389 cm-1. The effect of Er3+ doping level (0.5 – 7 mol%) on the visible and mid-infrared emission properties of Er:La2O2S was studied.
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Poitou et al. (2025) studied this question.
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