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<p>Optic nonlinearities, reaction times, and structural adaptability make NLO materials appealing over inorganic materials. Slow evaporation was used to produce SLT single crystals from 1:2 molar sarcosine to L-tartaric acid. Crystalline purity and structural stability of the chemical were assessed using single-crystal and powder X-ray diffraction. It crystallizes in the centrosymmetric space group P1 triclinic system with strong crystallinity diffraction peaks. Hydrophobic contacts and functional groups that stabilize supramolecular structures were found by through infrared spectroscopy. UV–Vis investigations show that SLT is appropriate for photonic applications due to its high optical transparency, 4.2&#xa0;eV band gap, urback energy and refractive index are determined. and near-UV cut-off. TG-DSC thermal analysis is reveals it is stable up to 100&#xa0;°C, making it acceptable for room-temperature electronics. Near-invisible high-frequency dielectric loss improved optical quality and normal dielectric energy dissipation suggested Maxwell-Wagner phenomenon. The dielectric modulus investigation revealed that the bulk-controlled relaxation with non-Debye dynamics and localized charge carrier hopping type. SLT crystals’ optical, thermal, and dielectric properties can improve SHG, nonlinear optical systems, and photonic applications.</p>

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Structural, optical, thermal, and dielectric properties of sarcosine–L-tartaric acid single crystal for NLO applications

  • 期刊论文

  • 发表日期：

    2026年2月10日

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  • V. Latha,
  • T. Gubendiran,
  • M. Lenin,
  • G. Sathishkumar,
  • S. Nithiyanantham,
  • P. Ramasamy

摘要

Optic nonlinearities, reaction times, and structural adaptability make NLO materials appealing over inorganic materials. Slow evaporation was used to produce SLT single crystals from 1:2 molar sarcosine to L-tartaric acid. Crystalline purity and structural stability of the chemical were assessed using single-crystal and powder X-ray diffraction. It crystallizes in the centrosymmetric space group P1 triclinic system with strong crystallinity diffraction peaks. Hydrophobic contacts and functional groups that stabilize supramolecular structures were found by through infrared spectroscopy. UV–Vis investigations show that SLT is appropriate for photonic applications due to its high optical transparency, 4.2 eV band gap, urback energy and refractive index are determined. and near-UV cut-off. TG-DSC thermal analysis is reveals it is stable up to 100 °C, making it acceptable for room-temperature electronics. Near-invisible high-frequency dielectric loss improved optical quality and normal dielectric energy dissipation suggested Maxwell-Wagner phenomenon. The dielectric modulus investigation revealed that the bulk-controlled relaxation with non-Debye dynamics and localized charge carrier hopping type. SLT crystals’ optical, thermal, and dielectric properties can improve SHG, nonlinear optical systems, and photonic applications.