Growth, structural, optical, thermal and dielectric properties of l-glutamic acid hydrochloride crystal for optoelectronic device applications

•l-GluHCL belongs to orthorhombic system.•l-GluHCL highly transparent in visible region.•l-GluHCL crystal with low dielectric loss expose low defect density.•SHG efficiency of grown crystal is 0.15 times that of standard inorganic KDP. A single crystal of l-glutamic acid hydrochloride was successful...

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Bibliographic Details
Published in:Journal of crystal growth 2019-01, Vol.506, p.79-82
Main Authors: Aarthi, J., Dhanasekaran, P.
Format: Article
Language:English
Subjects:
A1. Crystal structure
A1. X-ray diffraction
B2. Dielectric materials
B2. Nonlinear optic materials
Crystal growth
Crystal lattices
Crystal structure
Crystals
Dielectric loss
Dielectric properties
Glutamic acid
KDP crystals
Neodymium lasers
Optical properties
Optoelectronic devices
Photoconductivity
Second harmonic generation
Semiconductor lasers
Single crystals
YAG lasers
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Summary:•l-GluHCL belongs to orthorhombic system.•l-GluHCL highly transparent in visible region.•l-GluHCL crystal with low dielectric loss expose low defect density.•SHG efficiency of grown crystal is 0.15 times that of standard inorganic KDP. A single crystal of l-glutamic acid hydrochloride was successfully grown by slow evaporation method. The grown crystal was analyzed for structural, optical and thermal studies. The powder XRD studies were applied to analyze the lattice parameter of the grown crystals. The optical band gap of the grown crystal was effectuate by UV–Vis spectroscopy. The thermal strength of the grown crystals was observed by Differential Scanning Calorimetry studies. The dielectric study carried out determined the dielectric constant and dielectric loss decreases with a higher frequency at various temperatures. The photoconductivity study contributed its positive photo conducting nature. The second harmonic generation (SHG) for the grown crystal was confirmed by Nd: YAG laser Kurtz Perry technique and the efficiency of the grown crystal was evaluated with KDP crystal.
ISSN:0022-0248
1873-5002
DOI:10.1016/j.jcrysgro.2018.09.039