Ram Pyar Singh

2 Questions 21 Answers 0 Followers

Questions related from Ram Pyar Singh

Why is XRD not showing the peaks of secondary phase after sintering, while the SEM is clearly showing it?

XRD of calcined samples of Ce-doped SrTiO3 is showing the peak of secondary phase. But after making pellets and then sintering them at 1400 degree Celsius. The XRD is not showing the peaks of...

07 July 2014 3,512 11 View

Why does the colour of a sample (ce-doped srtio3) get changed after calcination at 1200 C for 48 hrs?

I have calcined two samples of Ce doped SrTiO3 at 1200 C for 48 hrs. What I observed is that the color of 4 mol% Ce-doped samples is more dark than 2 mol % Ce-doped sample. I couldn't find the...

05 May 2014 10,079 8 View