Suthan, T. and Rajesh, N. P. and Mahadevan, C.K. and Sajan, D. and Bhagavannarayana, G. (2011) Growth and characterization of organic material 2-hydroxypyridine single crystal by modified vertical Bridgman technique. Materials Chemistry and Physics, 130 (3). pp. 915-920. ISSN 0254-0584

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Large size (15 mm diameter and 80 mm length) organic material 2-hydroxypyridine single crystal has been grown using the double wall ampoule with nano translation by modified vertical Bridgman tech- nique for the first time. Material of the grown crystal was confirmed by single and powder X-ray diffraction (XRD) measurements. Fourier transform infrared (FTIR) analysis was used to identify the functional groups present in the grown crystal. High resolution X-ray diffraction (HRXRD) has been performed to analyze the crystalline perfection of the grown single crystal. The optical property of the grown crystal was analyzed by UV–vis–NIR and photoluminescence (PL) spectral measurements. The thermal charac- teristics of the grown crystal were analyzed by thermogravimetric (TG) and differential thermal analyses (DTA). The dielectric measurements were carried out with four different frequencies at various temper- atures ranging from 308 to 373 K and the results indicate an increase in the dielectric parameters with the increase of temperature at all frequencies. The second harmonic generation (SHG) studies were used to analyze the nonlinear optical property of the grown crystal.

Item Type: Article
Additional Information: Copyright for this article belongs to M/s Elsevier B.V.
Uncontrolled Keywords: Organic compounds; Crystal growth; Fourier transform infrared spectroscopy; Dielectric properties
Subjects: Materials Science
Depositing User: Mr. Abhishek Yadav
Date Deposited: 26 Dec 2012 09:02
Last Modified: 26 Dec 2012 09:02

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