Mohd Alam

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Questions related from Mohd Alam

Is it possible to have a large relaxation time (10^-6 s) in a Relaxor Ferroelectric?

I have found a large relaxation time (10^-6 s) in a Relaxor Ferroelectric material. Is it possible?

25 January 2024 7,948 0 View

What is the reason behind positive magneto-resistance in ferromagnet?

We have found large positive magneto-resistance in a system that is showing ferromagnetic ordering. What is the possible reason behind it?

06 October 2020 7,155 4 View

What is the reason behind cusp like behavior in magnetization curves of double perovskites?

In most of the Co/Mn-based double perovskite, a cusp like behavior in ZFC magnetization occurs just below the magnetic transition temperature. What is the reason behind this?

05 October 2020 9,601 1 View

Is negative dielectric loss is possible at some frequency?

The dielectric loss of a sample is negative at some frequency while it is possible at other frequencies. Can anyone please let me know whether it is right or not?

05 March 2020 8,631 6 View

The XRD pattern of a sample is fitting with an Orthorhombic phase (Pnma) as well as with a Monoclinic phase (P21/n) then which phase will be correct ?

The X-ray diffraction (Rietveld refinement ) of a sample matches well to a disordered orthorhombic crystal structure with a space group Pnma as well as it also matches with an ordered monoclinic...

04 March 2020 5,634 1 View