Influence of L-threonine on the growth, structural, optical, mechanical and nonlinear optical properties of tartaric acid single crystal

• Autorzy: Thilakavathi G. , Arun Kumar R. , Gunasekaran V.

Identyfikatory

DOI

10.2478/msp-2018-0094

• Języki publikacji: EN

Abstrakty

EN

Single crystals of pure and L-threonine added tartaric acid (LT/TA), organic nonlinear optical (NLO) materials were grown from their respective aqueous solution by slow evaporation method. The crystalline nature of the grown crystals was confirmed by powder X-ray diffraction analysis (XRD). UV-Vis-NIR absorption and transmission spectra revealed that the lower cut-off wavelength was around 281 nm and the crystals exhibited high transmission over visible and near IR region. The presence of the functional groups such as O–H, C–H, C–O, C=O in the grown crystals was confirmed by FT-IR analysis. CHN analysis was carried out to confirm the presence of L-threonine in the grown crystals. Microhardness study on the crystals revealed that the hardness number H_v increased with the applied load. The growth pattern of the crystals were analyzed through etching analysis from which the etch patterns in the shape of 'step-triangle' were observed. The second harmonic generation (SHG) properties of pure and L-threonine doped tartaric acid crystals were confirmed by Kurtz-Perry powder technique.

Słowa kluczowe

EN

crystal growth; optical materials; growth from solutions; X-ray diffraction

• Wydawca: De Gruyter
• Czasopismo: Materials Science Poland
• Rocznik: 2018
• Tom: Vol. 36, No. 4
• Strony: 630--637
• Opis fizyczny: Bibliogr. 23 poz., rys., tab.

Twórcy

autor

Thilakavathi G.

• G.R.D Center for Materials Research, PSG College of Technology, Coimbatore-641004, India
• Department of Physics, Dr. N.G.P. Institute of Technology, Coimbatore-641048, India

autor

Arun Kumar R.

• G.R.D Center for Materials Research, PSG College of Technology, Coimbatore-641004, India Department of Physics, PSG College of Technology, Coimbatore-641004, India

autor

Gunasekaran V.

• Department of Materials Science, Central University of Tamil Nadu, Thiruvarur-610 005, India

Bibliografia

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Uwagi

PL

Opracowanie rekordu w ramach umowy 509/P-DUN/2018 ze środków MNiSW przeznaczonych na działalność upowszechniającą naukę (2019).