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Enhancement of Mechanical, Electrical, Optical and Structural properties based on Potassium Hexacyano Ferrate single crystals

  • E Vinoth Raman Research Lab, PG & Research Department of Physics, Government Arts College,Tiruvannamalai-606 603, India
  • T Suresh Raman Research Lab, PG & Research Department of Physics, Government Arts College,Tiruvannamalai-606 603, India
  • R.U Mullai Raman Research Lab, PG & Research Department of Physics, Government Arts College,Tiruvannamalai-606 603, India.
  • R Arul jothi Raman Research Lab, PG & Research Department of Physics, Government Arts College,Tiruvannamalai-606 603, India
  • S Gopinath Raman Research Lab, PG & Research Department of Physics, Government Arts College,Tiruvannamalai-606 603, India.
  • K Kanagasabapathy PG & Research Department of Physics , Arignar Anna Government Arts College, Villupuram-605 602, India.
  • S Vetrivel Raman Research Lab, PG & Research Department of Physics, Government Arts College,Tiruvannamalai-606 603, India.

Abstract

Single crystal of potassium hexacyano ferrate (PHF) have been successfully grown by the slow evaporation technique at room temperature which has dimensions 13 ×10 ×3 mm3. The grown crystal was characterized structurally, optically, thermally, mechanically and electrically. Lattice parameters of the grown crystal were determined by X-ray diffraction analysis. The functional groups present in the crystal were identified using Fourier Transform Infrared spectral analysis. UV-Vis-NIR spectrum was recorded to estimate the UV cut-off wavelength and transparency. Second harmonic generation study confirms the NLO property. Thermal stability and decomposition of the crystal has been studied by TG/DTA analysis. Microhardness measurement indicates that the grown crystal exhibits normal indentation size effect. The frequency and temperature dependence of dielectric constant and dielectric loss were also studied.

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