Arun Palakkandy

9 Questions 18 Answers 0 Followers

Questions related from Arun Palakkandy

Can someone give a simple explanation of refractive index using photon-electron interaction?

I am from material science and would like to understand in a simple manner how particle physicists would explain refractive index as the cross section of interaction between photon and electron of...

09 September 2018 4,452 2 View

Can the effective mass be determined experimentally by some other mnethod then by cyclotron method?

I want to determine effective mass of charge carriers in thin films

05 May 2018 7,053 4 View

Data Analysis of Ellipsometry and Coding?

I am developing a code for data analysis of ellipsometry data. Please find attached the graphs of psi versus lambda and delta versus lambda. The delta graph is a good fit and psi graphs...

11 November 2015 885 5 View

How can you explain the existence of spherical or ordinary wave-front in anisotropic media?

How can you explain the existence of spherical or ordinary wave-front (caused by same velocity in all direction) in a uni-axial crystal. Mathematical derivation is in standard textbooks. I would...

09 September 2015 8,220 0 View

Has Gans Model on SPR been extended to multi-particle clusters?

While extinction peak due to SPR can be calculated for a single metal cluster. Has the theory been extended to multi-particle clusters (say two metal clusters kept in close proximity)?

03 March 2015 9,796 0 View

How to experimentally distinguish between propagating SPR and localized SPR?

UV-visible spectra peak clearly gives signature of LSPR. How to confirm propagating SPR?

05 May 2014 4,691 2 View

How can one determine the refractive index from transmission data of a film if its value is expected to be less than the substrates?

Swanpoel Method.

09 September 2013 5,029 6 View

Has anyone found the "graphical highlight" and "highlights" which elsevier journals demand as meaningful and useful?

Journal publication

02 February 2013 8,767 2 View

Data Analysis of Ellipsometry

Is there any literature which explains computation of refractive index etc from the ellipsometry data in a simple way?

07 July 2012 2,266 7 View