for 1% Mn doped BaTiO3, c/a =0.9955
for 2%, c/a=0.9845
for 3%, c/a=0.9913
Major peaks of all XRD shifts to right with increasing doping concentration.
Hello,
The splitting of the XRD peak means second phase started appearing. Either the material is transferring to another structural phase or exhibiting minor phases
It is well known that this material have three polymorphic phases
such as tetragonal of P4mm, orthorhombic (o‐phase I) of Amm2 and rhombohedral "
You can solve the XRD using software packages and determine the phases. Also you may need to check for the formation of MnO2 in the structure
Good luck
If you do not have the facility to explore the exact structure, I can help you provided that you send the diffraction patterns of 2theta versus intensity table.
You can also use crystdiff software packages to identify the peaks and structure
Crystallography open data base may also help you if you do not want to go into mathematical analyses {http://www.crystallography.net/cod/result.php}
Rietveld refinement using the FULLPROF software might be very helpful to resolve the conflict of associated phases, dopant concentration, c/a ratio and appearance of coexisting polytypes.
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