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Muralidhar K.,National Defence Academy Khadakwasla
Apeiron | Year: 2011

A charged elementary particle fluctuates from its mean position because of the presence of zero-point fields in vacuum. Considering the complex oscillations of the particle as two general types of rotations, an attempt has been made to explore the classical origin of spin angular momentum. The oscillations of the particle in zero-point field can be transformed as rotations on complex plane and the spin angular momentum is identified with imaginary part of rotations. The quantum value of spin angular momentum has been determined within the purview of stochastic electrodynamics. © 2011 C. Roy Keys Inc. Source


Mandke M.V.,University of Pune | Mandke M.V.,National Defence Academy Khadakwasla | Han S.-H.,Hanyang University | Pathan H.M.,University of Pune
CrystEngComm | Year: 2012

Silver dendritic nanostructures were prepared on indium tin oxide coated glass substrate by electrochemical deposition from an aqueous solution of AgNO3 in the presence of citric acid. The silver dendritic nanostructures were characterized by using scanning electron microscopy, X-ray diffraction and UV-Visible absorption spectroscopy. Results showed that the morphology and growth of dendritic structures can be controlled with deposition time. A diffusion-limited aggregation model is used to explain the growth mechanism of silver nanostructures. The UV-Visible absorption spectra showed a wide range of absorption in the visible region by silver dendritic nanostructures. Source

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