Muhammad Asim Farid

5 Questions 7 Answers 0 Followers

Questions related from Muhammad Asim Farid

XRD pattern of metal sulfide/metal oxide composite?

Our lab prepared metal sulfide nanoparticles incorporated MOF. Upon heat treatment MOF was converted to metal oxide as confirmed from PXRD pattern. But no peaks were observed for metal sulfide. Is...

09 December 2022 1,251 3 View

What are the binding energy for Bi3+ and Bi5+?

BaBiO3, a perovskite contains two kind of valences Bi3+ and Bi5+. The xps analysis shows two peaks for Bi that confirms the dual valence of Bi in BaBiO3. Some researchers propose that the peak at...

04 April 2017 2,086 8 View

How can I find that the doped Ca goes to Tb site or Mn site?

I have synthesized Ca doped Tb1-xMnxMnO3 . It is said in literature that Ca can occupy Tb site or Mn site. i have tried to refine the crystal structure of Ca doped Tb1-xMnxMnO3 by rietveld...

09 May 2016 173 3 View

Can anyone tell me why I cannot find a TMS peak in my proton NMR spectrum?

I took some Proton NMR spectra for my samples. The TMS (tetramethyl silane) has been used as internal standard however TMS peak is not present in the spectra. How can we explain these results? Is...

19 November 2015 8,391 5 View

Can anyone tell me which software is best suitable to refine mossbauer spectroscopy data?

I want to refine my data.

05 August 2014 5,511 3 View