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Questions related from Muhammad Asim Farid
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 1,281 3 View
I want to print periodic table of elements to display it in class room. Therefore I need to get good periodic table with good resolution. Can anyone tell me from where I can get good periodic...
27 October 2017 5,927 5 View
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 2,117 8 View
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 207 3 View
Recently we have synthesized some perovskite oxide structures which crystallize in Pnma space group at room temperature and low temperature. The reported magnetic space group is also same as...
05 December 2015 6,931 4 View
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 8,428 5 View
I have measured temperature dependent magnetic susceptibility of some of my samples. A strange decrease in FC value was found before Neel's temperature. Can anyone explain why does it happen?...
15 June 2015 8,742 7 View
I want to refine my data.
05 August 2014 5,541 3 View
