Shashikant Sharma

6 Questions 20 Answers 0 Followers

Questions related from Shashikant Sharma

Why nature of stress for ZnO thin films has changed from compression to tensile with increased annealing temperature?

05 May 2015 8,404 6 View

What should the excitation wavelength be for ZnO thin films in fluorescence spectrometery?

Please see above.

10 October 2014 5,179 7 View

Is it possible to calculate the wavelength-dependent refractive index of ZnO thin film if I have transmittance and absorption coefficient values?

Thanks.

10 October 2014 4,965 7 View

Why does grain size decrease with thickness for ZnO thin films?

Generally grain size increases with increased film thickness but it is decreasing in my case. What could be the probable reason for this?

09 September 2014 5,619 6 View

How to calculate the lattice parameters of ZnO?

For standard JCPDS data (λ=1.54Å,2 θ=34.421) value of lattice parameter a is given as a=3.253 Å. But when I am calculating, it's using the a=b= λ/(√3 sinθ) formula and gives 3.0049. Is this...

03 March 2014 8,557 3 View

How can ideality factor and mean barrier height be calculated graphically for a photodetector?

10 October 2013 5,014 1 View