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Article Abstract
Inorganic supramolecular compounds are the emergent class of infrared (IR) nonlinear optical (NLO) materials. However, the reported inorganic supramolecular IR NLO pnictides are still scarce. In this work, a new inorganic supramolecular IR NLO phosphide, EuSiP, has been synthesized using the metal salt flux method. The structure of EuSiP features an anionic host framework containing the oriented [SiP] dual-T2 supertetrahedra with the guest Eu cations filling in the intervals. Additionally, EuSiP exhibits strong phase-matched (PM) second-harmonic generation (SHG) (4.0 × AgGaS), large birefringence (0.087 @2050 nm), and wide infrared transparency. This study highlights the potential of inorganic supramolecular pnictides for exploring high-performance IR NLO crystals.
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| http://dx.doi.org/10.1021/acs.inorgchem.4c00427 | DOI Listing |
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