Omkar Rambadey

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Questions related from Omkar Rambadey

Could you please share any information regarding the form of the Transition operator T(cap) used in work by U. Fano (1961) [reference in description]?

The work by U. Fano (1961) provides a descriptive picture of the interaction between discrete and continuum states. In between the steps, there occurs the discussion on the Transition operator...

14 November 2022 8,711 0 View

Could you please share views/literature on the comparison of raman linewidth of single crystal and polycrystalline form of same chemical composition?

The crystallite size can certainly affect the phonon interactions in the system, and one may expect the Raman linewidth associated with the molecules of a given sample to differ in crystalline and...

03 May 2022 7,108 4 View

For a solar cell, is it practically expected that the Isc (short circuit current) would tend to decrease with temperature?

It is well known that with the increase in temperature, the short circuit current value for a solar cell increases. However, while exploring some theoretical/simulation studies, I have observed...

18 September 2021 6,395 6 View

Effective Phonon-energy in Einstein model on temperature dependent Urbach energy and Bandgap energy?

When it comes to the optical absorption spectroscopic studies of semiconductors, two physical parameters are majorly exploited - Bandgap (Eg) and Urbach energy (Eg). There are certain models that...

01 January 1970 5,377 0 View