Nd-doped PEA₂PbBr₄ single crystal

Enhanced α/γ discrimination

Nd³⁺ doping induces intralayer carrier confinement, accelerating luminescence decay and improving pulse shape discrimination for fast radiation detection.

Shang, Xinlong · Li, Yang · Chen, Liang · Quan, Zhang · Zhou, Leidang · Naizhe, Zhao · Wang, Fangbao · Ruan, Jinlu · He, Shiyi · Yapeng, Zhang · Du, Xue · Zhang, Silong · An, Zhongfu · Ouyang, X. P.

Applied Materials Today 2025

Advantages

photoluminescence decay markedly accelerated

decay time reduction more pronounced for α rays than γ rays

centimeter-scale single crystals