|
|||||
|
|
Synthesis and characterization of pure,urea and thiourea doped organic NLO l-arginine trifluoroacetate single crystals |
|
| Authors: | T Prasanyaa M Haris V Mathivanan M Senthilkumar T Mahalingam V Jayaramakrishnan |
| Affiliation: | 1. Department of Physics, Karunya University, Coimbatore 641 114, Tamilnadu, India;2. Department of Physics, United Institute of Technology, Coimbatore, India;3. Department of Electrical and Computer Engineering, Ajou University, Suwon 443-749, South Korea;4. Department of Physics, P.S.G. College of Arts and Science, Coimbatore 641 014, Tamilnadu, India |
| Abstract: | Optically transparent l-arginine trifluoroacetate (LATF) single crystals by doping with organic materials urea and thiourea were grown by slow solvent evaporation technique. Powder X-ray diffraction confirms improvement in the crystalline quality for urea doped crystals. Urea doping in LATF also improves the percentage of transmittance. The vibrational frequencies of the grown crystals were assigned by Fourier Transform infrared spectroscopy. The thermal analysis (TG/DTA) indicated the better thermal stability for urea doped LATF crystals. EDAX analysis was carried out to calculate the percentage of elements present in doped and pure LATF. The hardness has been remarkably improved on urea and thiourea doped LATF crystals. The second harmonic generation (SHG) analysis showed 2.5 times than standard KDP for pure LATF and 2.2, 2.07 times than KDP for urea and thiourea doped LATF. |
| Keywords: | B Crystal growth A Optical materials A Organic compounds C Mechanical testing C Powder diffraction |
| 本文献已被 ScienceDirect 等数据库收录！ | |