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| Content Provider | World Health Organization (WHO)-Global Index Medicus |
|---|---|
| Author | Ramamurthi, K. Praveen, P. A. Babu, R. Ramesh |
| Description | Country affiliation: India Author Affiliation: Praveen PA ( Crystal Growth and Thin film Laboratory, Department of Physics, Bharathidasan University, Tiruchirappalli 620 024, Tamilnadu, India.); Babu RR ( Crystal Growth and Thin film Laboratory, Department of Physics, Bharathidasan University, Tiruchirappalli 620 024, Tamilnadu, India. Electronic address: rampap2k@yahoo.co.in.); Ramamurthi K ( Crystal Growth and Thin film Laboratory, Department of Physics and Nanotechnology, SRM University, Kattankulathur 603 203, Kancheepuram, Tamilnadu, India.) |
| Abstract | A coordination complex, manganese incorporated benzimidazole, thin films were prepared by chemical bath deposition method. Structural characterization of the deposited films, carried out by Fourier transform infrared spectroscopy, Raman and electron paramagnetic resonance spectral analyses, reveals the distorted tetrahedral environment of the metal ion with bis-benzimidazole ligand. Further the molecular composition of the deposited metal complex was estimated by energy-dispersive X-ray spectroscopy. The prepared thin films were thermally treated to study the effect of annealing temperature on the surface morphology and the results showed that the surface homogeneity of the films increased for thermally treated films up to 150°C. But distortion and voids were observed for the films annealed at 200°C. The Raman analysis reveals the molecular hydrogen bond distortion which leads to the evaporation of the metal complex from the thin film surface with respect to annealing temperature. The linear and nonlinear optical properties of the as prepared and annealed films were studied using ultraviolet-visible transmittance spectroscopy, second harmonic generation and Z-scan analyses. Films annealed at 150°C show a better linear transmittance in the visible region and larger SHG efficiency and third order nonlinear susceptibility when compared with the other samples. Further, the film annealed at 150°C was subjected to optical switching analysis and demonstrated to have an inverted switching behavior. |
| ISSN | 13861425 |
| Journal | Spectrochimica Acta Part A: Molecular and Biomolecular Spectroscopy |
| Volume Number | 173 |
| e-ISSN | 18733557 |
| Language | English |
| Publisher | Elsevier |
| Publisher Date | 2017-02-15 |
| Publisher Place | Great Britain (UK) |
| Access Restriction | One Nation One Subscription (ONOS) |
| Subject Keyword | Discipline Spectroscopy |
| Content Type | Text |
| Resource Type | Article |
| Subject | Spectroscopy Atomic and Molecular Physics, and Optics Analytical Chemistry Instrumentation |
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