Brajesh Tiwari

4 Questions 24 Answers 0 Followers

Questions related from Brajesh Tiwari

Is there possibility of frustration in ferromagnets?

By Curie-Weiss fit I got positive Weiss temperature (theeta) which did not coincide with ferromagnetic transition temperature TC. theeta/TC = 1.7 which mean second kind of next nearest neighbor...

11 November 2013 9,959 18 View

Could someone help me get a .cif file for YBa2Cu3O7-x.(YBCO) for refinement?

08 August 2013 9,383 17 View

How is vector D related to ferroelectric polarization P in the context of D-M interaction?

In D-M interaction (antisymmetric anisotropic superexchange) D.(S1XS2) originates due to spin-orbit coupling (or considering relativistic correction to spin), which leads to weak ferromagnetism in...

08 August 2013 6,479 3 View

How to get Q (wavevector, prapogation vectors) maps using XRD or ND data which usually given as Intensity vs 2theta?

By Powder XRD or ND, we get intensity as function of 2theta. Can you please suggest how to convert this type of graph into Q (Q-_x, Q_y) maps etc.(in some papers I used to see this type of map...

07 July 2013 7,454 10 View