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Growth, optical, thermal, and conductivity behavior of nonlinear optical single crystals of CdHg(SCN)4(CH3OC2H5O)

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Abstract

In this study, organometallic nonlinear optical single crystal of Cadmium mercury thiocyanate glycol monomethyl ether was grown by slow evaporation technique at room temperature. The grown crystal was confirmed by single crystal XRD and FT-IR analysis. Optical and thermal properties of the sample were investigated by UV–Vis–NIR, TG–DTA and DSC technique. Using Tauc’s relation, the band gap of the crystal was estimated as 3.99 eV. The thermal studies confirm that the CMTG is thermally stable up to 105 °C. Photoluminescence and ac & dc conductivity measurements of the sample were also carried out and reported for the first time. The PL analysis confirms the suitability of the material for application in the blue–green region. The temperature dependences of ac & dc conductivities of CMTG were investigated, and the activation energies were found to be 0.098 and 0.045 eV, respectively. The SHG efficiency measurement confirms that the NLO efficiency of CMTG is nearly three times more efficient than urea.

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Acknowledgements

The authors acknowledge the Department of Science and Technology (DST), India for funding this research project (SR/S2/LOP-03/2007).

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Authors and Affiliations

  1. Department of Physics, Anna University of Technology Tiruchirappalli, Tiruchirappalli, 620 024, India

    I. Vetha Potheher

  2. Department of Physics, R. V. Government Arts College, Chengalpattu, 603 001, India

    K. Rajarajan

  3. Department of Physics, Saveetha Engineering College, Chennai, 602 105, India

    R. Jeyasekaran

  4. Department of Physics, S. T. Hindu College, Nagercoil, 629 002, India

    M. Vimalan

  5. Department of Physics, Anand Institute of Higher Technology, Chennai, 603 103, India

    F. Yogam

  6. Department of Physics, Loyola College, Chennai, 600 034, India

    P. Sagayaraj

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  1. I. Vetha Potheher
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  2. K. Rajarajan
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  3. R. Jeyasekaran
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  4. M. Vimalan
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Correspondence to I. Vetha Potheher.

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Vetha Potheher, I., Rajarajan, K., Jeyasekaran, R. et al. Growth, optical, thermal, and conductivity behavior of nonlinear optical single crystals of CdHg(SCN)4(CH3OC2H5O). J Therm Anal Calorim 111, 1491–1497 (2013). https://doi.org/10.1007/s10973-012-2533-x

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  • DOI: https://doi.org/10.1007/s10973-012-2533-x

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