Ahlam, M. A. and Hemaraju, B. C. and Gnana Prakash, A. P. (2013) Growth and characterization of pure and doped organic nonlinear optical single crystal: l-Alanine alaninium nitrate (LAAN). Optik, 124 (23). 5898 - 5905.
Full text not available from this repository. (Request a copy)Abstract
The pure l-alanine alaninium nitrate (LAAN) single crystals and LAAN crystals doped with lanthanum oxide (La2O3), sodium chloride (NaCl), urea (CH4N2O), glycine (C2H5NO2) and thiourea (CH4N2S) were grown by slow evaporation method. The X-ray diffraction analysis, scanning electron microscopy (SEM), energy dispersive X-ray (EDAX) analysis, UV�vis spectral analysis, dielectric studies and powder SHG measurement are studied systematically. The slight changes in the lattice parameters were observed for the doped crystals compared to pure LAAN crystal. The incorporation of doping into the crystal lattice was confirmed by energy dispersive X-ray analysis. There is no change in the transmission window due to doping and the percentage of transmission in doped samples was found to increase as compared to that of pure LAAN crystal. The dielectric constant of pure crystal was found to be less than that of doped crystals. The AC conductivity was found to increase after doping and with the increase in temperature. A green radiation of 532nm was observed from the pure and doped LAAN crystals confirming the second harmonic generation (SHG) of the crystals.
| Item Type: | Article |
|---|---|
| Uncontrolled Keywords: | Nonlinear optics, Organic materials, Doping effects, X-ray diffraction, Electrical measurements |
| Subjects: | D Physical Science > Physics |
| Divisions: | Department of > Physics |
| Depositing User: | Arshiya Kousar Library Assistant |
| Date Deposited: | 13 Dec 2019 05:54 |
| Last Modified: | 12 Jul 2022 07:12 |
| URI: | http://eprints.uni-mysore.ac.in/id/eprint/10191 |
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