PLASMA SYNTHESIS OF PARTICLES COMPRISING A CHALCOGENIDE COMPRISING A RARE EARTH ELEMENT

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The invention concerns a process for preparing particles of a chalcogenide compound comprising at least one rare earth element, wherein : - a mixture comprising precursor materials of the chalcogenide compound is introduced in a plasma; - the mixture is transported with the help of a gas carrier in the plasma and is transformed into the particles of the chalcogenide compound; - the particles of the chalcogenide compound are recovered.