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Spectral, dielectric and optical properties of urea barium chloride nonlinear optical crystals

P. ILAYABARATHI1, J. CHANDRASEKARAN2,* , B. BABU2

Affiliation

  1. Research and Development Centre, Bharathiar University, Coimbatore-641 046, Tamil Nadu, India
  2. Department of Physics, Sri Ramakrishna Mission Vidyalaya College of Arts and Science, Coimbatore- 641 020, Tamil Nadu, India

Abstract

Semi-organic nonlinear optical crystal of urea barium chloride has been grown from aqueous solution by slow evaporation technique at room temperature. EDAX analysis was carried out to identify the constituent elements present in the as grown crystal sample. The grown crystals were characterized by using powder X-ray diffraction analysis. The grown crystal was subjected to single-crystal X-ray diffraction analysis to find the lattice parameter and system of the crystal. The vibrational frequencies of various functional groups were confirmed by Fourier transform infrared spectroscopy (FTIR) analysis. The UV–vis–NIR spectrum of the crystal shows the lower cut-off wavelength at 320 nm. The dielectric properties were studied at room temperature. The optical behavior, including second harmonic generation (SHG), was investigated to study its NLO property and compared with KDP..

Keywords

Crystal growth, Single crystal X-ray diffraction, Optical property, Dielectric measurement, Second harmonic generation.

Citation

P. ILAYABARATHI, J. CHANDRASEKARAN, B. BABU, Spectral, dielectric and optical properties of urea barium chloride nonlinear optical crystals, Optoelectronics and Advanced Materials - Rapid Communications, 10, 3-4, March-April 2016, pp.172-176 (2016).

Submitted at: Feb. 28, 2015

Accepted at: April 5, 2016