The approximate analytical solutions of the radial Schrodinger equation have been obtained by the interaction of Manning-Rosen and Hellmann potentials which is a newly proposed potential. Using the Wentzel-Kramers-Brillouin WKB approach, we obtained the eigenstates solutions for any arbitrary angular momentum. Special cases of potential consideration have been discussed. Eigenenergy solutions to equations obtained play an important role in quantum mechanics because they contain a wealth of vital information regarding the system under consideration.
Crystalline alumina films have been successfully deposited on Si(100) and amorphous silica substrates by the nebulized spray pyrolysis technique. The surface morphology of the films has been studied by various microscopic techniques. The f'flms exhibit satisfactory mierohardness and frequency independent capacitance.
The structural, morphological and magnetic properties of La0.33Ca0.67Mn0.99Fe0.
01O3
were studied using X-ray Diffraction (XRD), Scanning Electron Microcopy (SEM), and Superconductive Quantum Interference Device (SQUID). The sample was synthesized using sol gel method and sintered at 700, 800 and 900 °C. The crystallite size of the sample was influenced by the increase in the sintering temperature. There was no significant difference in magnetisation as sintering temperature increased from 700 °C to 800 °C, however, the magnetic properties of La0.33Ca0.67Mn0.99Fe0.01O3 reduced drastically from 12.15 emu/g to 8.13 emu/g as sintering temperature increased from 800 °C to 900 °C. The surface of La0.33Ca0.67Mn0.99Fe0.01O3 sintered at 900 °C was functionalised using ethyl 4-nitrobenzoate. The wavelength of the functionalised manganite was monitored using ultraviolet-visible spectrophotometre. Antimicrobial properties of the complex formed was investigated against the bacteria and fungi strains, Staphylococcus aureus, Pseudomonas aeruginosa, Candida albicans, and Aspergillus niger, the zones of inhibition were 20, 40, 26 and 45 mm, respectively.
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