Sandeep Kumar

4 Questions 3 Answers 0 Followers

Questions related from Sandeep Kumar

How to fit double power law in double plateau conductivity spectra?

In my sample, two plateau is observed at low and high frequency region. i have tried it by using double power law equation using 8.6 origin but i did't get fiitting. Kindly help me how to...

07 October 2016 1,218 3 View

What is the reason for double plateau in frequency dependence ac conductivity spectra?

In mainy perovskite oxide ceramics, frequency dependence ac conductivity spectra follow double power law for low temperatures but as temperature rises it follow single power law. why is it happens?

12 December 2015 8,357 5 View

What will be the effect on dielectric properties if we replace small valence cation is replaced by large valence cation?

I m planning for doping Ti4+ by Zn2+ or by Nb5+ in ABO3 perovskite ceramic. Any body have idea what will happen in both case? means what types of defects or vacancies are produced after doping?...

13 October 2015 3,437 5 View

What are polarons?

In many publicationd, explanation of AC conduction mechanism given in the terms of a polaron hopping conduction mechanism. Why then do polarons increase the conductivity of ceramics?

11 June 2015 4,942 9 View