Alaka Panda

8 Questions 17 Answers 0 Followers

Questions related from Alaka Panda

How can we calculate Goldschmidt tolerance factor for doped systems?

I have found out papers for obtaining tolerance factor for pure BiFeO3. But how to find it for doping at A and B site and with increasing dopant concentration. Can someone please suggest by giving...

16 August 2018 2,050 3 View

Can anyone help me in fitting dielectric spectroscopic data?

I am trying fit the imaginary part dielectric permittivity ,modulus and impedance with the respective equations in origin. Can anyone please help me out how to do that stepwise in origin. Thank...

20 June 2018 9,496 6 View

Can anyone suggest me if the attached result signifies the ferroelectric behaviour ?

I am herewith attaching the PE result (ferroelectric hysteresis) with finite loop area. I need suggestions regarding following 1. As can be seen the loop ahifted to left from origin and some cases...

23 January 2018 2,052 8 View

How to choose the minimum Temperature for sintering of sample without affecting the phase?

For Ferroelectric hysteresis loop measurement the sample has to be well sintered and dense pellet. In my case even after sintering the sample is breaking while taking the measurement. So my query...

13 July 2017 1,734 4 View

What will be the effect of impurity on Dielectric properties of semiconductor?

How does the morphology of impurity affects the dielectric properties. The impurity phase is Hematite so can anyone suggest or refer some literature regarding this.

01 June 2017 4,451 7 View

How to confirm the origin of semiconductor to metallic transition as obtained from dielectric measurement?

I am getting signature of semiconductor to metallic type of transition in conductivity and impedance measurements through decrease in conductivity with Temperature and increase in resistance in...

01 June 2017 5,312 3 View

Can any one please explain the variation of conductivity with T for a semiconductor?

what does it mean when conductivity decreases with T for a semiconductor. At first conductivity increased with increasing T which is normal for a semiconductor but after certain T there is a...

22 May 2017 8,701 7 View

What are the reasons for a material with sharp XRD pattern becomes broadened after annealing?

I am getting broadened XRD pattern after annealing the as prepared sample. So I would like to know the possible reasons for this. My query is also to know microscopically what happens in such...

15 November 2016 1,883 5 View