A new class of battery-free, mechanically powered, piezoelectric Ca<sub>5</sub>Ga<sub>6</sub>O<sub>14</sub>:Tb<sup>3+</sup> phosphors with self-recoverable luminescence
Tao Hu, Yan Gao, Bo Wang, Ting Yu, Dawei Wen, Yao Cheng, Qingguang Zeng
Abstract
A new class of Ca 5 Ga 6 O 14 :Tb 3+ mechanoluminescent phosphors with trap-independent, self-recoverable mechanoluminescence and a low mechanical stimulus threshold are reported, whose properties originate from piezoelectricity of the host with giant piezoelectric coefficients.
Topics & Concepts
MechanoluminescencePhosphorPiezoelectricityMaterials scienceLuminescenceOptoelectronicsComposite materialLuminescence Properties of Advanced MaterialsAcoustic Wave Resonator TechnologiesLuminescence and Fluorescent Materials