Structural and hardness of nonlinear optical L-alanine single crystals
1Department of Physics, Vel Tech Dr. RR & Dr. SR Technical University, Avadi, Chennai 600062, India
2Department of Physics, University College of Engineering Arni, Anna University of Technology Chennai, Arni 632317, India
Adv. Mater. Lett., 2011, 2 (3), pp 176-182
Publication Date (Web): Apr 08, 2012
Copyright © IAAM-VBRI Press
Single crystals of pure and Deuterated L-alanine have been grown by both slow cooling and seed rotation techniques. The grown nonlinear optical crystals were subjected to single crystal X-ray diffraction for determining its lattice parameters and morphology. Thermal expansion measurements were carried for the Deuterated crystals of L-alanine using thermomechanical analyzer in order to ascertain the strain tensors along the three mutually perpendicular crystallographic directions. Microhardness study was also undergone on deuterated L-alanine single crystals on a prominent plane for determining the mechanical strength of the grown crystals. The results have been discussed in detail.
Characterization, crystal morphology, optical microscopy, recrystallization, organic compounds, nonlinear optical materials