AXHg3P2S8 (A = Rb, Cs; X = Cl, Br): New Excellent Infrared Nonlinear Optical Materials with Mixed‐Anion Chalcohalide Groups of Trigonal Planar [HgS2X]3− and Tetrahedral [HgS3X]5−
Source abstract
Abstract
Abstract A series of nonlinear optical (NLO) chalcohalides AXHg3P2S8 (A = Rb, Cs; X = Cl, Br), which contain various Hg‐based building units including mixed‐anion trigonal planar [HgS2X]3− and tetrahedral [HgS3X]5−, are successfully synthesized. These compounds display good water resistance, wide infrared transparent region (0.42–17 µm), high laser‐induced damage thresholds (4.5–6 × AgGaS2), and strong phase‐matchable second harmonic generation (SHG) response close to AgGaS2. The mixed‐anion chalcohalide groups serving as functional building units in NLO materials are studied for the first time and proven to be very effective. This work opens a new avenue for new NLO material design to achieve the balance between strong SHG efficiency and large bandgap.
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Research context
OpenAlex topics: Crystal Structures and Properties · Crystal structures of chemical compounds · Organometallic Compounds Synthesis and Characterization
SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.
Affiliations
Institute of Chemical Materials China Academy of Engineering Physics Mianyang 621900 P. R. China
University of Chinese Academy of Sciences Beijing 100190 P. R. China
School of Optoelectronics Science and Engineering University of Electronic Science and Technology of China Chengdu 611731 P. R. China
Center for Crystal Research and Development Key Laboratory of Functional Crystals and Laser Technology Department Technical Institute of Physics and Chemistry Chinese Academy of Sciences Beijing 100190 P. R. China
Physikalisches Institut Universiät Stuttgart 70569 Stuttgart Germany
Funding
China Academy of Engineering Physics · National Natural Science Foundation of China
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