Abstract
Single crystal of organic scintillation material N-Phenylanthralinic acid (NPAA) with the dimension of 10×4x3 mm3 was grown by the temperature-lowering method. X-ray diffraction studies and FT-IR analysis of grown crystal revealed the crystal structure and functional groups present in the crystal. The optical quality of the crystal is ascertained from absorption spectrum and optical bandgap studies. The fluorescence spectra exhibit an intense emission band at 452 nm and fluorescence lifetime is obtained to be very short fluorescence of 1.14 ns for prompt and 18.98 ns for delayed component. TG/ DTA studies reveal the thermal stability and melting point of the crystal. The feasibility of the grown crystal in device application is substantiated from various mechanical parameters such as Vickers hardness, Meyer's index, yield strength and stiffness constant. The chemical etching and surface morphologies of the specimen were examined using an optical microscope.
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