Pawan Kumar

5 Questions 7 Answers 0 Followers

Questions related from Pawan Kumar

How to describe the cycloidal spin structure in magnetic refinement for the neutron diffraction of BiFeO3 ?

Actually I am new in neutron refinement and using Fullprof (for Rietveld analysis). I have refined nuclear part but having problem in magnetic refinement of incommensurate spin structure of...

04 April 2015 3,205 2 View

Can we use Arrott plot technique for analyzing the weak ferromagnetic (canted antiferromagnetic) contribution of G-type antiferromagnetic BiFeO3 ?

Can we separate the ferromagnetic contribution from the MH loop and apply the Arrott plot to extract the saturation magnetization ? The measurement temperature for MH loop (300 K) is well below...

04 April 2015 8,195 3 View

What is the relation between M and H for different type of antiferromagnetic materials?

Please help me with your kind suggestion regarding following questions. How the MH curve will be and how the effect of high field (at room temperature) will affect MH curve for these different...

03 March 2015 2,581 4 View

Can oxygen octahedra tilting in perovskites be determined by XRD with Lab source or synchrotron ?

Octahedral tilting

11 November 2014 663 4 View

Can anyone help me with the calculation of octahedral tilting angle for Pbnm space group using Rietveld analysis?

We want the equation that relates the fractional atomic coordinates to octahedral tilting angle.

07 July 2014 2,462 2 View