Muhammad Bilal

3 Questions 4 Answers 0 Followers

Questions related from Muhammad Bilal

Optical transmission through a metal oxide semiconductor thin film?

I measured transmission curve for a semiconductor thin film, it shows a slightly decreasing behavior from 600 nm to 850 nm wavelength. Is this due to the presence of defect states present in the...

09 September 2017 1,490 3 View

Can a material have both direct and indirect band transitions?

Hi, Does the bend in absorption curve of a semiconductor thin films depicts the presence of both direct and indirect phase transition? Thankyou

08 August 2017 1,476 5 View

Why gold nano particles cause Photo Luminescence in Raman scattering?

Hello everyone When I grow semiconductor thin film on gold nano particles to get surface enhanced Raman scattering, high intensity photo luminescence occurred in the...

06 June 2017 7,636 6 View