Crystal-field splitting of Ce3+in narrow-band phosphor SrLiAl3N4

• 作者: Zhen Song Quanlin Liu
• 来源期刊: 稀土学报（英文版）
• 年，卷（期）: 2021,（4）
• 所属期刊栏目: SPECTROSCOPY, LUMINESCENCE AND PHOSPHORS
• 页码范围: 386-389
• 页数: 4页
• 语种: 英文

摘要

As a promising narrow-band phosphor,SrLiAI3N4 has a seemingly ultra-small total crystal-field splitting of only 2400 cm-1 with Ce3+as dopant ions.This paper is devoted to unravel this anomalous phe-nomenon based on semi-quantitative crystal-field calculations.The results show that there may exist undetected excitation peaks immersed in the host excitation band,and the calibrated crystal-field splitting is 27000 cm-1,comparable to those of other Ce3+doped phosphors.In the end the effect of polyhedral deformation on energy level is briefly discussed.