Shakila Nur

11 Questions 20 Answers 0 Followers

Questions related from Shakila Nur

Dear expert, how do we confirm the Rgrain and Rgrain boundary, Cgrain, Cgrain boundary after fitting using Zsimdemo is correct?

How do we confirm the values of R_grain, R_grain boundary, C_grain, and C_grain boundary after fitting the Nyquist plot and obtaining the fitted Z' and Z''? Is there any method I fitted using...

05 July 2025 7,689 0 View

Dear Experts, besides chi-square, what other parameters should I consider when choosing between these models for impedance equivalent circuit?

I am analysing my impedance data for ceramic materials, and I'm confused between using: - A simpler R(QR)(QR) model - A more complex R(QR(QR)(CR)) model Example: if the chi-square values after...

17 February 2025 8,875 12 View

In cole cole plot, how to measure total Capacitance ?

Dear Professor/Dr, in Nyquist plot, do we need to consider the electrode capacitance and Warburg? If in parallel, do we need to use parallel formula used in basic? Really Thank you

12 November 2024 4,029 3 View

Is there a subtle distinction between the terms "substitution" and "doping"?

Dear Prof, is there a subtle distinction between the terms "substitution" and "doping" when referring to modifying ceramic dielectric materials for example Na0.5Bi0.5TiO3? Is there any difference...

09 July 2024 2,080 3 View

Dear Prof and Dr, how to calculate the recoverable energy density from P-E hysterisis loop ?

The recoverable energy density can be evaluated by the following equation: Wrec = ∫P EdP = Area CDBCJcm−3 (4) Thus, when domains are realigned by the applied electric field, the difference...

09 May 2024 4,616 0 View

Who is the founder/pioneer of sodium bismuth titanate (NBT)?

Dear Prof and Dr, is that the pioneer of NBT ceramic is G.A Smolenskii ? I cant find the information. Thank you very much

14 February 2024 2,112 3 View

What is the differences between terms "chemical modification" in solid solution and "defect engineering"?

Chemical modification of Sodium Bismuth titanate as dielectric materials

25 January 2024 1,383 3 View

Dear all, what is the meaning of "true" or "no" convergence indicate in NOVA software ?

NOVA software used in Electrochemical Impedans Spectroscopy for fitting the Nyquist plot of FRA measurements.Thank you

27 September 2023 3,648 2 View

How the procedure to do the Rietveld refinement analysis XRD from Topas software?

I would like to do the Rietveld refinement analysis from Topas software for ceramic Sodium Bismuth Titanate. But I didn't get the procedure step. Thank you very much.

09 August 2023 5,341 12 View

Dear all, what is the standard value of electrical and ionic conductivity of Pure Sodium Bismuth titanate (NBT)?

What is the difference between electrical conductivity and ionic conductivity.

14 July 2023 9,799 0 View

How can we select the best JCPDS data for Sodium Bismuth Titanate ?

Sodium bismuth Titanate can use JCPDS # 01-074-9525

09 July 2023 4,197 4 View