Krishna Raut

5 Questions 11 Answers 0 Followers

Questions related from Krishna Raut

How are dislocation density and X-ray peak profile related each other ?

Can somebody suggest some good papers relating dislocation density and X-ray peak profile ?Is it possible to find the dislocation density from the X-ray diffraction peaks(preferably powder XRD) ?

08 September 2016 3,378 4 View

Why does grain growth occur in the hot press sintering process ? How can we get rid of that ?

Usually when we hot press or sinter nano powders in order to get bulk pellets, the resulted pellets dont pertain the initial size of the grains. Whether only temperature is responsible for grain...

24 June 2016 7,419 11 View

Why are my ZnO pellets not conducting?

I have prepared ZnO as well as Al-doped ZnO powder via co-precipitation method. When I press the powder to pellets for electrical measurement either through cold press followed by sintering or Hot...

30 October 2015 4,113 9 View

Is there any advantage to ultrasonicating the salt solution before going to usual stirring in co-precipitation process?

I went through one paper where it is mentioned that before stirring they have done ultrasonication for 2 hr at 50 degree C in co-precipitation process. And it was meant to make Cu-doped ZnO.

31 August 2015 4,999 2 View

Can I take sodium bicarbonate to prepare buffer solutions of pH values around 6.4 and 10.3?

I found that there are two pKa values of sodium bicarbonate i.e 6.4 and 10.3. So can I take sodium bicarbonate to prepare buffer solutions of pH values around 6.4 and 10.3? Please suggest me.

23 September 2014 9,073 1 View