Towards deliberate design of persistent phosphors: a study of La–Ga admixing in LuAG:Ce crystals to engineer elemental homogeneity and carrier trap depths
Karol Bartosiewicz, Verena Fritz, David Van der Heggen, Damian Szymański, Justyna Zeler, Jan Pejchal, Akihiro Yamaji, Romana Kučerková, Alena Beitlerová, Shunsuke Kurosawa, Akira Yoshikawa, Philippe F. Smet, Eugeniusz Zych, M. Nikl
Abstract
Persistent luminescence in Lu 3 Al 2 Ga 2 O 12 :Ce,La crystal was studied. La codoping elongated luminescence and increased trapping centers. The influence of La on crystal growth, structure, and Al/Ga sublattices was analyzed.
Topics & Concepts
Materials sciencePhosphorLuminescenceHomogeneity (statistics)TrappingTrap (plumbing)Crystal (programming language)Crystal structureOptoelectronicsCrystallographyStatisticsEnvironmental engineeringBiologyChemistryMathematicsComputer scienceEcologyEngineeringProgramming languageLuminescence Properties of Advanced MaterialsRadiation Detection and Scintillator TechnologiesSolid-state spectroscopy and crystallography