Maninder Singh

5 Questions 3 Answers 0 Followers

Questions related from Maninder Singh

What is the role of Fe in CuFeS2 and what effect it has on thermoelectric properties?

What is the role of Fe in CuFeS2 chalcopyrite system and what effect it has on thermoelectric properties?

09 March 2015 8,145 1 View

Why do we not see any peak in the XRD pattern of iron sulfide on increasing concentration of thiourea?

I synthesized iron sulfide nanoparticles using thiourea but when i increase the amount of thiourea, i observe no peak in XRD pattern corresponding to iron sulfide. Please help or you can attach...

20 February 2015 5,811 10 View

Why does the seebeck coefficient decreases with the increase of charge carrier concentration?

Though on increasing charge carrier concentration more of charge carriers should diffuse from hot to cold end which should result in increase of thermopower but we observe opposite. Why is it so?

02 February 2015 4,996 9 View

How can we calculate mean free path of phonon in as synthesised material?

I synthesised CuFeS2, chalcopyrite system. How to calculate phonon mean free path for this system?

29 January 2015 9,493 2 View

Is it possible to detect unknown phases using Rietveld Refinement?

I was wondering if it is possible to analyze unknown phases using Rietveld Refinement. Please comment

01 January 1970 3,321 5 View