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dc.contributor.authorSusan John, Jerin-
dc.contributor.authorSajan, D.-
dc.contributor.authorUmadevi, T.-
dc.contributor.authorChaitanya, K.-
dc.contributor.authorSankar, Pranitha-
dc.contributor.authorPhilip, Reji-
dc.identifier.citationOptical Materials, 2015, Vol. 48, p 233-242en_US
dc.descriptionRestricted Access.en_US
dc.description.abstractA new organic material, N,N′dimethylurea ninhydrin (3a,8a-dihydroxy-1,3-dimethyl-1,3,3a,8a-tetrahydroindeno[2,1-d]imidazole-2,8-dione) (NDUN) was synthesized. Structural details were obtained from single crystal X-ray diffraction (XRD) data. A detailed interpretation of the vibrational spectra is carried out with the aid of normal coordinate analysis following the scaled quantum mechanical force field methodology. TG/DTA and 1H NMR studies were carried out. Linear optical properties were studied from UV–Vis spectra. From the open aperture Z-scan data, it is found that the molecule shows third order nonlinear optical behaviour due to two photon absorption (2PA) mechanism.en_US
dc.publisherElsevier B. V.en_US
dc.rights2015 Elsevier B. V.en_US
dc.subjectX-ray diffractionen_US
dc.subjectFT-IR and FT-Ramanen_US
dc.subjectQuantum mechanical method of computationen_US
dc.subjectNBO; Nonlinear optical materialsen_US
dc.titleSynthesis, crystal structure, vibrational spectral analysis and Z-scan studies of a new organic crystal N,N′dimethylurea ninhydrin: A scaled quantum mechanical force field studyen_US
Appears in Collections:Research Papers (LAMP)

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