Oxygen vacancies and persistent luminescence in Sr2MgSi2O7 glass-ceramics
The aim of this proposal is to study oxygen vacancy location and environment in the crystalline phase Sr2MgSi2O7 obtained from the glass-ceramics route. On doping with Eu/Dy, the glass-ceramics are very efficient photoluminescence (PL) materials. The luminescence properties are also dependent on the temperature, which strongly indicates that oxygen vacancies play an important role in the still poorly understood luminescence mechanism. More information concerning the vacancies is, thus, essential for optimizing the materials composition and their optical behavior.
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PASCUAL Maria Jesus; CUELLO Gabriel; DURAN Alicia; L. Fernandez-Rodriguez; SAVVIN Stanislav and M. Sedano-Rodríguez. (2019). Oxygen vacancies and persistent luminescence in Sr2MgSi2O7 glass-ceramics. Institut Laue-Langevin (ILL) doi:10.5291/ILL-DATA.1-04-156
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