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A. A. El-Fadl, M. A. Gaffar and M. H. Omar, “Absorption Spectra and Optical Parameters of Lithium-Potas- sium Sulphate Single Crystals,” Physica B, Vol. 269, No. 3-4, 1999, pp. 403-408.

has been cited by the following article:

• TITLE: Growth, Structural, optical and hardness studies of lithium potassium sulphate single crystals – an inorganic NLO material

  AUTHORS: G. Pasupathi, P. Philominathan

  KEYWORDS: Crystal Growth; Lithium-Potassium Sulphate; Inorganic NLO Material; X-Ray Diffraction; SHG Efficiency

  JOURNAL NAME: Journal of Minerals and Materials Characterization and Engineering, Vol.11 No.9, September 25, 2012

  ABSTRACT: Single crystal of lithium potassium sulphate, a nonlinear optical material, was grown from aqua solution by slow evapo- ration method at room temperature. The cell parameters were estimated by single crystal X-ray diffraction analysis. The optical transmittance of the crystal was recorded using the UV-Vis-NIR spectrophotometer and the optical band gap was calculated using this method. The second harmonic generation efficiency was measured by Kurtz and Perry powder technique and the phase-matching property was confirmed. The hardness of the material was measured by Vicker’s hardness test.