Achieving high-sensitivity dual-mode optical thermometry <i>via</i> phonon-assisted cross-relaxation in a double-perovskite structured up-conversion phosphor
Houhe Dong, Zonghao Lei, Shikun Su, Wenhua Yang, Xuyang Zhang, Wenying Teng, Guangyue Zu, Bing Teng, Degao Zhong
Abstract
By adjusting the phonon energy of the host crystal (Ca 2+ /Sr 2+ /Ba 2+ ) LaLiTeO 6 :Yb 3+ , Tm 3+ phosphor, combined with the cross-relaxation phenomenon, a high-sensitivity thermometer for dual-mode temperature measurement was constructed.
Topics & Concepts
PhosphorThermometerMaterials scienceDual modePhononRelaxation (psychology)Sensitivity (control systems)OptoelectronicsCondensed matter physicsPhysicsThermodynamicsElectronic engineeringPsychologySocial psychologyEngineeringLuminescence Properties of Advanced MaterialsOptical properties and cooling technologies in crystalline materialsPerovskite Materials and Applications