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Growth and characterization of pure and lithium doped L-alanine single crystals for NLO devices

✍ Scribed by B. Suresh Kumar; M. R. Sudarsana Kumar; K. Rajendra Babu

Publisher
John Wiley and Sons
Year
2008
Tongue
English
Weight
148 KB
Volume
43
Category
Article
ISSN
0232-1300

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✦ Synopsis

Abstract

Single crystals of pure and lithium substituted L‐alanine are successfully grown by slow evaporation method at constant temperature of 32Β°C. The effect of lithium dopant on crystal properties has been studied. Powder and single crystal XRD analysis confirms the structure and change in lattice parameter values for the doped crystals. The crystals were characterized by solubility studies, density, melting point measurements, FTIR and UV‐Vis‐NIR techniques. Thermal and mechanical stability of crystals were tested by TGA/DTA and micro hardness analysis. NLO activity of the crystals is found to be increased in the presence of lithium ions. The dielectric constant and dielectric loss of the crystals were studied as a function of frequency. (Β© 2008 WILEY‐VCH Verlag GmbH & Co. KGaA, Weinheim)

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