Amit Kumar

5 Questions 12 Answers 0 Followers

Questions related from Amit Kumar

What is the physical significance of Berry Phase in Topological Insulators?

As we know, due to the strong spin-orbit coupling in TIs, the spins are locked in the perpendicular direction of momentum; as a matter of fact, electrical conduction is robust against the back...

16 April 2019 9,941 4 View

How can i decide flux in single crystal growing?

I am planning to grow single crystal which is perovskite .How can i decide flux?

13 February 2017 7,648 1 View

What is the reason of oxygen vacancies in perovskites ? how do we remove oxygen vacancies in perovskite sample ( prepared by ceramic route method) ?

I sintered my sample(CaTiO3) at 1350°c (air sintering). I know that in air sintering oxygen vacancies is created. I want to know that what is the range of temperature when oxygen vacancies is...

05 September 2016 729 13 View

What is the mean field theory? how it can help in the study of quantum paraelectric?

i am studying about dielectric measurement at low temperature in quantum paraelectric..

11 June 2016 8,344 1 View

There is any tool to visualize the Twin walls (TWs) formation, which coming due to cubic to low symmetry transition crystal ?

As we know that TWs formation takes place due to cubic to low symmetry structural phase transition ( due to either by cation displacement or octahedra rotation or both), which minimize the total...

01 January 1970 6,283 1 View