A Strong Second-Harmonic Generation Material Cd₄BiO(BO₃)₃ Originating from 3-Chromophore Asymmetric Structures

SHG Materials SnGa₄Q₇ (Q = S, Se) Appearing with Large Conversion Efficiencies, High Damage Thresholds, and Wide Transparencies in the Mid-Infrared Region

PbGa₂MSe₆ (M = Si, Ge): Two Exceptional Infrared Nonlinear Optical Crystals

Ba₈Sn₄S₁₅: A Strong Second Harmonic Generation Sulfide with Zero-Dimensional Crystal Structure

KMBP₂O₈ (M = Sr, Ba): A New Kind of Noncentrosymmetry Borophosphate with the Three-Dimensional Diamond-like Framework

Syntheses and Characterization of New Mid-Infrared Transparency Compounds: Centric Ba₂BiGaS₅ and Acentric Ba₂BiInS₅