Balda, Rolindes Influence of Upconversion Processes in the Optically-Induced Inhomogeneous Thermal Behavior of Erbium-Doped Lanthanum Oxysulfide Powders. [electronic resource] - Materials (Basel, Switzerland) May 2016 Publication Type: Journal Article ISSN: 1996-1944 Standard No.: 10.3390/ma9050353 doi