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    • Keywords


      Urea thiourea mercuric sulphate; urea thiourea mercuric chloride; nonlinear optic crystals; ultraviolet–visible; Fourier transform infrared; atomic absorption spectroscopy; thermogravimetric analysis; differential thermogram analysis; second harmonic generation.

    • Abstract


      Single crystals of urea thiourea mercuric sulphate (UTHS) and urea thiourea mercuric chloride (UTHC), semi-organic nonlinear optical materials, were grown by low-temperature solution growth technique by slow evaporation method using water as the solvent. Good quality single crystals were grown within three weeks. The nonlinear nature of the crystals was confirmed by SHG test. The UV–Vis spectrum showed the transmitting ability of the crystals in the entire visible region. FTIR spectrum was recorded and vibrational assignments were made. The degree of dopant inclusion was ascertained by AAS. The TGA–DTA studies showed the thermal properties of the crystals.

    • Author Affiliations


      S Gunasekaran1 G Anand2 R Arun Balaji3 J Dhanalakshmi4 S Kumaresan2 5

      1. Periyar University, Salem 636 011, India
      2. Faculty of Sciences, Arulmigu Meenakshi Amman College of Engineering, Vadamavandal 604 410, India
      3. Department of Physics, Rajiv Gandhi College of Engineering, Sriperumbadur 602 105, India
      4. Department of Chemistry, Kamaraj College of Engineering and Technology, Virudhunagar 626 001, India
      5. School of Advanced Sciences, Materials Division, VIT University, Vellore 632 014, India
    • Dates

  • Pramana – Journal of Physics | News

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      Posted on July 25, 2019

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