Babu, G. Anandha and Bhagavannarayana, G. and Ramasamy, P. (2008) Synthesis, crystal growth, structural, optical, thermal and mechanical properties of novel organic NLO material: Ammonium malate. Journal of Crystal Growth, 310 (6). pp. 1228-1238. ISSN 0022-0248

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Abstract

Ammonium malate (AM), an organic nonlinear optical material, has been synthesized and single crystals, with dimensions up to 38 x 35 x 27 mm(3), have been grown from aqueous solution. The crystal structure of AM has been determined, and it belongs to the non-centro symmetric space group Cc. The structural perfection of the grown crystals has been analysed by high-resolution X-ray diffraction (HRXRD) rocking curve measurements. Fourier transform infrared (FTIR) spectroscopic studies were also performed for the identification of different modes present in the compound. The UV-vis transmission spectrum has been recorded in the range 200-1100 nm. The second harmonic conversion efficiency of AM was determined using the Kurtz powder technique; it was observed to be greater than that of KDP. Thermal behaviour of AM was studied by TG and DTA. The dielectric and mechanical behaviour of the specimen was also studied.

Item Type:	Article
Additional Information:	Copyright for this article belongs to M/s Elsevier B.V.
Subjects:	Crystallography Materials Science Applied Physics/Condensed Matter
Divisions:	UNSPECIFIED
Depositing User:	Ms Neetu Chandra
Date Deposited:	26 Jul 2017 12:32
Last Modified:	26 Jul 2017 12:32
URI:	http://npl.csircentral.net/id/eprint/2154

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