Luminescence analysis of heavily Mn<sup>2+</sup>-doped LaMgAl<sub>11</sub>O<sub>19</sub> phosphors: crystallographic site occupation and the formation of Mn<sup>2+</sup>–Mn<sup>2+</sup> dimers
Chenyang Zhan, Haomiao Zhu, Sisi Liang, Yingping Huang, Wendong Nie, Zihao Wang, Maochun Hong
Abstract
This study elucidates the progression of the photoluminescence in LaMgAl 11 O 19 : x Mn 2+ phosphors, transitioning from isolated Mn 2+ to multisite-occupied Mn 2+ , and ultimately to Mn 2+ –Mn 2+ dimers through modulation of Mn 2+ doping concentration.
Topics & Concepts
PhosphorPhotoluminescenceLuminescenceDopingMaterials scienceManganeseCrystallographyX-ray crystallographyAnalytical Chemistry (journal)Crystal structureMineralogyDiffractionChemistryPhysicsOpticsMetallurgyOptoelectronicsChromatographyLuminescence Properties of Advanced MaterialsPerovskite Materials and ApplicationsMicrowave Dielectric Ceramics Synthesis