Exploring nonlinear optical materials: Synthesis, enhancement, and comparative analysis of noncentrosymmetric structures

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Ji, Bingheng
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2024-03-21
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en_US
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Nonlinear optical (NLO) materials play a critical role in various technological applications owing to their unique optical properties. For practical applications, several basic conditions should be satisfied for the NLO materials, including suitable bandgap, large NLO coefficient, high LDT, and moderate birefringence, as well as good crystal growth habits. A critical aspect of synthesizing IR NLO materials lies in achieving a noncentrosymmetric crystal structure. A case study of two compounds with high structural similarity emphasizes the significance of noncentrosymmetric structures. The enhancement of second harmonic generation (SHG) in NLO materials through a case study of isostructural compounds with different transition metals will be discussed. Furthermore, in a comparative analysis of isostructural compounds, variations in these properties emerge. This investigation elucidates the intricate relationship between doped compounds based on parent NLO compound Ba6Cu4Sn4S16 and their physical properties, providing valuable insights into optimizing the performance of NLO materials.

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Poster project completed at the Wichita State University Department of Chemistry and Biochemistry. Presented at the 21st Annual Capitol Graduate Research Summit, Topeka, KS, March 21, 2024.
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Wichita State University
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