Dual-Site Trap Mg2GeO4 Phosphor

Photo/Thermal Memory

Bistable deep traps on non-equivalent sites enable non-volatile optical storage coupled with thermal history.

Wenqian, Xu · Zhang, Xiangyu · Yuqiang, Wang · Dingjun, Jia · Gao, D. L.

Advanced Optical Materials 2026

Advantages

Non-equivalent substitution creates bistable deep traps