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IJMNP.,   Volume(1) - Issue(1), 2016
pp 19-32,   http://dx.doi.org/doi:10.18831/djphys.org/2016011003

Growth and Characterization of Pure and Metal Halides Doped Acetoacetanilide Single Crystals

R Sakthi Sudar Saravanan;V.N Praveen, M Meena

Abstract

The focus of this paper is on growing quality single crystals of pure acetoacetanilide and NaCl and KCl doped acetoacetanilide which possess better nonlinear optical properties. Solvent evaporation technique was used for growing these crystals. The solution and operation temperature used was ethanol and 30 °C respectively. Single crystal X-ray analysis was used to determine the grown crystals lattice parameters. The crystalline perfection was identified by the well-defined sharp peak in the pattern of powder X-ray diffraction. The presence of dopants and transparency of the doped crystals are confirmed by the ICP AES spectrum and the UV–Vis NIR spectral study respectively. This emphasizes the AA crystal host lattice of metal ion inclusion. The optical band gap of the pure AA, NaCl doped AA (AANC) and KCl doped (AAKC) crystals was found to be 5.09, 5.48 and 5.74 eV respectively. Kurtz powder technique assessed the second-order non-linearity of the grown crystal. The pure and doped AA second harmonic generation efficiency was projected to be larger than KDP by a factor of 4. The dielectric measurement reveals that there is a small dielectric constant and dielectric loss at greater frequencies for both the types of AA. Photo conducting nature was confirmed by the photoconductivity studies of pure and doped AA.

Keywords

Solution growth, Micro hardness, NLO, UV-Vis. Absorption, Dielectric, Photoconductivity.

Received
05/11/2015
, Accepted
16/12/2015
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