Towards ultra-sensitive multimodal luminescent thermometers enabled by high crystal field strength of Lu <sub>2</sub> CaMg <sub>2</sub> Ge <sub>3</sub> O <sub>12</sub> :Yb <sup>3+</sup> ,Nd <sup>3+</sup> ,Er <sup>3+</sup> phosphors
Zhijiao Zhao, Mengmeng Dai, Kejie Li, Guiying Liang, Yanling Wei, Zuoling Fu
Abstract
An effective full-spectrum thermometer covering from the visible to NIR-II band was designed based on garnet Lu 2 CaMg 2 Ge 3 O 12 :Yb 3+ ,Er 3+ /Nd 3+ phosphors; meanwhile, Er 3+ ( 4 I 13/2 ) split into four Stark sublevels due to high crystal field strength.
Topics & Concepts
LuminescenceMaterials scienceField (mathematics)Crystal (programming language)CrystallographyAnalytical Chemistry (journal)OptoelectronicsChemistryComputer scienceMathematicsPure mathematicsChromatographyProgramming languageLuminescence Properties of Advanced MaterialsOptical properties and cooling technologies in crystalline materialsRadiation Detection and Scintillator Technologies