Raju Panthagani

4 Questions 5 Answers 0 Followers

Questions related from Raju Panthagani

How can ferrites be a semiconductors?

Some ferrites are considering that as N type or P type semiconductors. Can anyone please explain what is the basic principle behind it.

16 July 2014 8,628 4 View

In ferrites, how does the dielectric constant decrease with increases in frequency on basis of electron hopping mechanism between Fe 2+↔Fe 3+ ions?

My question is in ZnFe2O4, there in no Fe2+ ions present... then how does the hopping of electrons occur between Fe2+↔Fe3+ ions. Can anyone please explain?

16 July 2014 9,889 4 View

How does a ferrite solution get precipitated? What is the role of pH behind it?

We are preparing ferrites ( NiZnFe2O4, MgZnFe2O4, etc.,). After preparing solution we are adding NaOH to get precipitation. Could someone please explain the chemistry behind it? When I took EDS...

18 May 2013 3,285 3 View

How to make a composite using two different powders which have different phases?

Presently we are making composites by adding two powders in wt% ratio, mixed it by using agate mortar. We are grinding the powder for several hours to get homogeneous powder, is it the correct...

01 May 2013 3,188 4 View