Pb 3.5 GeS 4 Br 3: the first phase-matching thiogermanate halide infrared nonlinear optical material

J Zhou, H Wang, J Liu, X Su, Y Chu, J Qu… - Inorganic Chemistry …, 2024 - pubs.rsc.org
Two new thiohalides Pb3GeS4Br2 and Pb3. 5GeS4Br3 have been synthesized by
introducing Pb2+ into the thiogermanate system. The compounds crystallize in …

The Spin–Orbit Effect on the Electronic Structures, Refractive Indices, and Birefringence of X2PO4I (X = Pb, Sn, Ba and Sr): A First-Principles Investigation

X Leng, M Hu, Q Jing, H Duan, H Chen, X Cui - Nanomaterials, 2024 - mdpi.com
Introducing post-transition metal cations is an excellent strategy for enhancing optical
properties. This paper focuses on four isomers, namely the X2PO4I (X= Pb, Sn, Ba, and Sr) …