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Crystalline Perfection, Optical and Third Harmonic Generation Analyses of Non-Linear Optical Single Crystal of L-lysine Acetate

Crystalline Perfection, Optical and Third Harmonic Generation Analyses of Non-Linear Optical Single Crystal of L-lysine Acetate

Neelam Rani, N Vijayan, Kanika Thukral, K K Maurya, D Haranath, G Bhagavannarayana, S Verma, M A Wahab

Spectrochim Acta A Mol Biomol Spectrosc. 2013 Mar 15;105:192-9.

PMID: 23305871

Abstract:

The potential organic non-linear optical single crystal of L-lysine acetate has been grown by slow evaporation solution growth technique (SEST) at room temperature. It crystallizes in the monoclinic system with space group of P2(1). The crystalline perfection of the grown single crystal has been examined by high resolution X-ray diffraction analysis (HRXRD). The functional groups of the synthesized compound have been identified by (13)C NMR, (1)H NMR and FTIR analyses. The optical absorption studies show that the crystal is transparent in the entire visible region with a cut-off wavelength of 236 nm. The optical band gap is found to be 5.29 eV. The steady-state PL spectra was recorded for pure L-lysine acetate crystal at room temperature. The third harmonic generation efficiency of the crystal has been evaluated by Z-scan technique and its non-linear optical coefficient has been calculated. Birefringence measurement has been carried out in order to see the optical homogeneity of the grown specimen. Its electrical properties has been assessed by dielectric measurement at different temperatures. The calculated optical band gap is 5.29 eV. Its thermal parameters like thermal diffusivity (α), thermal effusivity (e), thermal conductivity (k) and heat capacity (C(p)) have been determined by photopyroelectric technique. Vickers micro hardness studies were carried out using a Vickers hardness tester equipped with a diamond square indenter. The piezoelectric measurement for L-lysine acetate has been also been carried at ambient condition.

Chemicals Related in the Paper:

Catalog Number	Product Name	Structure	CAS Number	Price
AP57282492	L-Lysine Acetate		57282-49-2	Price

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