Emma Barbareschi

3 Questions 4 Answers 0 Followers

Questions related from Emma Barbareschi

Can you help me about xrd on alumina mullite? Why I have difference between powder and bulk diffraction pattern?

Dear all, I performed xrd diffraction on a sintered sample of alumina-mullite and after that I crashed the sample and performed the xrd on the powder. The patterns that I obtained are different...

16 April 2021 7,451 5 View

Can I perform XRD analysis on polished sample?

Dear All, I have to analyze a Co based superally sample where are present two different crystal structures of Co (the cubic and the exagonal one). I'm sure of it because I have analyzed the...

15 November 2018 3,814 3 View

Can anyone help me with a problem with strange relative intensities?

I have problem with Rietveld refinement using GSAS_EXPGUI software. When I try a refinement diffraction pattern obtained from analysis of a known powder (as SiO2, CeO2) I have a big problem in...

10 April 2014 2,660 7 View