Abhishek Sasmal

9 Questions 16 Answers 0 Followers

Questions related from Abhishek Sasmal

Is there any limit of the values of u, v, w parameters during refinement of XRD patterns using FullProf?

During refinement of some of my XRD data using FullProf, the values u, v and w parameters are coming very high.. Moreover, they are not of same order.. So, I wanted to ask whether there is any...

18 November 2022 9,067 4 View

How both side adhesive carbon tape is conducting? Why people use it as conducting electrode? What is the mechanism?

Many people use both side adhesive conducting carbon tape as conducting electrode especially in PVDF based flexible nanogenerators. This tape is also extensively used in SEM, EDS, XPS etc. We...

03 December 2021 9,749 4 View

How can I pole my sample in a particular crystallographic axis/plane?

I am currently working on Barium Titanate based ceramics. In order to measure the d33 value, we normally pole our sintered pellets in silicone oil bath and applying high voltage across the two...

08 April 2021 1,221 0 View

How can I paste aluminium electrode on PVDF based composite films?

I am working with PVDF based composite films - energy storage and harvesting applications. I have a confusion about electrode material of these films. Many researchers are using aluminium foil...

25 July 2020 5,190 17 View

Does impurity phase of BiFeO3 has any influence on its optical band gap?

I synthesized BiFeO3 in sol-gel route. Littile amount of Bi2Fe4O9 phase is detected in XRD. Does this impurity phase has any effect on the optical band gap of BiFeO3?

28 October 2019 516 5 View

Discontinuity in P-E loop ?

During P-E loop measurement of all of my samples (PVDF film, BFO Pellets) we found discontinuity in the curve (files attached). Can anyone suggest any cause behind it??

12 June 2019 1,170 1 View

How can i separate Platinum Cricuble from holder?

I studied DSC of Bismuth ferrite up to 1000 degree C. After the characterization, the platinum crucible is attached with the holder. We are unable to take the crucible out of the instrument...

05 February 2019 3,185 2 View

Why Bismuth (Bi) is volatile in nature?

There are many reports which say that oxygen vacancy in BiFeO3 ceramics arises due to bismuth evaporation (Volatile nature of bismuth) during high temperature synthesis.What may be the proper...

16 January 2019 9,770 2 View

Is it possible to take HRTEM images of ceramic filler included Poly(venylidene fluoride) (PVDF)?

Suppose, I have made a polymer-ceramic composite by incorporating BaTiO3 nanoparticles in PVDF matrix. Is it possible to view the interaction domain of PVDF and BaTiO3 by HRTEM characterization?...

01 January 1970 5,507 3 View