s. Visweswaran

4 Questions 1 Answers 0 Followers

Questions related from s. Visweswaran

Does Ionic radius of the dopant element is important?

In general terms, how we select a material for doping? While doping, is it necessary to have a element with low ionic radius in to the host material having ionic radii larger than the dopant. Can...

22 July 2021 9,764 5 View

What information can be had from raman at higher wavenumber?

i have recorded raman spectra of strontium oxide thin film. the spectra were recorded in the range 400 to 4000 cm-1. i have reference to peaks upto 1000cm-1. but i couldn't find literature for...

27 February 2021 2,886 1 View

Kindly explain me ?

Is any work describing about synthesis of SrO2 thin film. I have synthesized SrO2 thin film by spray technique. To literature review i came to know that there are no papers available for the...

05 February 2021 2,340 4 View

Xrd result of ZnO thin film shown better crystallinity at low temperature and the crystallinity decreases as the temperature increased. why?

I have synthesized ZnO thin films at four different substrate temperature say, 300, 350, 400 and 450C. and the samples were annealed at 450C for half an hour. the xrd result shown better...

05 February 2021 7,864 4 View