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Questions related from Anshul Sharma
I am not able to get good literature and the physics behind how first these grains and grain boundaries arises out of no where when we make a pellet to study its dielectric properties and then how...
08 August 2024 5,041 3 View
One of the papers I read by Toby, where (title of the paper was "R factors in Rietveld analysis: How good is good enough?"), he tells us that to get good chi square value, you must have low Rwp,...
18 July 2024 9,642 4 View
In dielectric, how do we know whether conduction wrt applied frequency takes place due to electron or due to a polaron. In Jonscher power law, can we distinguish whether the conduction is due to...
17 May 2024 4,059 1 View
I have synthesized strontium based hydroxy-apatite by co-precipitation process. i have done the rietveld refinement of it. The problem is its chi-square is not less than 2, even though I have...
11 May 2024 2,540 5 View
I have a query regarding how much gram to be taken when one include doping into the system to maintain the stoichiometry by co-precipitation method. My initial precursors are calcium nitrate tetra...
08 April 2024 8,605 1 View
During sintering of my 2 pellets for 12 hours at 1200 degrees on two seperate crucibles, there is a formation of green layer below the surface. I made sure to clean the crucible twice before...
19 March 2024 8,553 0 View
I have a concern regarding readjusting the intensities value of xrd data. In one the discussion in this platform, (the link is here-...
12 March 2024 7,663 1 View
I want my synthesis to be performed at a particular reaction temperature say between 60-95 degrees. I am adopting Co-precipitation process and have two initial precursors. My general doubt is, if...
05 March 2024 3,447 3 View
What does this error means in fullprof refinement process i.e. "Current parameters not saved to the current PCR file: final(Chi2) > 1.2*initial(Chi2) => Current parameters are saved in a...
13 February 2024 1,052 1 View
During the refinement process by fullprof software of my compound, it has a double phase and I got the chi square value as 1.98 of the mixture. In the output file generated, at last there is a...
08 February 2024 8,258 4 View
I have a concern regarding adding too large quantity of ammonia solution for the formation of Hydroxy-apatite. Basically I used calcium nitrate tetra-hydrate and di-ammonium hydrogen phosphate as...
23 January 2024 4,982 3 View
I am facing difficulty on removing text like XYZ.PRF:, when we run fullprof in External applications in winplotr. Is there some way to remove it?
06 December 2023 6,567 6 View
