• A Reicher Nelcy

      Articles written in Bulletin of Materials Science

    • Synthesis, growth, optical, mechanical and electrical properties of 𝐿-lysine 𝐿-lysinium dichloride nitrate (𝐿-LLDN) single crystal

      V Vasudevan R Ramesh Babu A Reicher Nelcy G Bhagavannarayana K Ramamurthi

      More Details Abstract Fulltext PDF

      Semi-organic nonlinear optical material, 𝐿-lysine 𝐿-lysinium dichloride nitrate (2C6H15N2O$^{+}_{2}$.H+.NO$^{-}_{3}$.2Cl-) was synthesized at room temperature. Single crystals of 𝐿-LLDN were grown by slow cooling solution growth technique. The grown crystal was confirmed by powder X-ray diffraction analysis. The crystalline perfection of the grown single crystal was characterized by high-resolution X-ray diffraction (HRXRD) studies. The cut-off wavelength was determined by UV-vis transmission spectral analysis. The frequency doubling of the grown crystal was confirmed by powder second harmonic generation (SHG) measurement. The refractive index and birefringence of the crystal were determined using He–Ne laser source. Mechanical property of the crystal was determined by Vickers hardness tester. The frequency and temperature dependence of dielectric constant (𝜀r), dielectric loss (tan 𝛿) and a.c. conductivity (𝜎ac) were also measured.

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