What question did this study set out to answer?

The aim is to design high-performance nonlinear optical materials by manipulating lattice-induced asymmetries.

Synergistic Distortion Engineering: Activating Nonlinear Optical Response in Quaternary Chalcogenides via Lattice‐Induced MnS 4 Asymmetry

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Synergistic distortion engineering enhances optical properties in quaternary chalcogenides, suggesting new material design approaches.

The aim is to design high-performance nonlinear optical materials by manipulating lattice-induced asymmetries.
Synthesized two quaternary chalcogenides (SrMnM IV S 4) with controlled distortion
Measured second harmonic generation (SHG) responses and band gaps
Conducted first-principles calculations to explore geometric distortions
Achieved SHG responses of 0.6 and 1.0 times that of AgGaS 2
Demonstrated wide band gaps of 3.05 and 2.47 eV
Obtained high laser-induced damage thresholds of 6.2 and 3.3 times that of AgGaS 2

Wang et al. (2026) studied this question.

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