Rishabh Sharma

15 Questions 22 Answers 0 Followers

Questions related from Rishabh Sharma

How should a powder sample be scanned for reitveld refinement on later stage?

Does scan rate has any impact? what other parameters to consider while performing xrd ?

09 September 2018 6,876 2 View

Can I calculate bandgap for YAG nanopowder?How to do it?

YAG is Yttrium Aluminium Garnet.

08 August 2018 4,738 8 View

How to subtract instrumental error from my XRD diffractogram, if I have standard silicon XRD data (READ DESCRIPTION BELOW) ?

I have standard data of Silicon sample and I want to subtract instrumental error (FWHM) from my sample. My sample and Silicon diffractogram are having peaks at different 2theta values (obvious). I...

08 August 2018 6,006 9 View

How can I perform photoluminescenc spectroscopy for cellulose paper functionalized with rare earth ions?

Can I perform test directly using the paper sample? If I need a solvent to perform test which could be suitable solvent?

08 August 2018 10,024 2 View

How to tackle -ve Adjusted R-square value in Williamson hall plot?

I performed Willamson hall analysis of 4 smaples of YAG nanoparticles . I included top 9 peaks (same) in each case to get a linear fit line.However, in two samples adj R square value is positive...

06 June 2018 4,509 2 View

Has anyone studied or collected data of Photoluminiscence (PL) spectra (emission and excitation) and PL decay for YAG(Y3Al5O12) nanoparticles?

Please share the data if you have.

06 June 2018 6,622 2 View

What value of FWHM should I use to calculate crystallite size and strain by Scherrer formula in below mentioned situation?

I am comparing crystallite size and strain using Scherrer and Williamson hall method.But I have doubt in mind whether the value of FWHM I am using is correct. The Bragg peak width is a...

06 June 2018 7,654 13 View

How to calculate crystallinity for cellulose 2 using xrd results and segal method?How to calculate peak intensities?Any way to do without software?

my xrd resembles Cellulose 2 structure OBTAINED FROM BAGASSE. Is there any other easy method to calculate crystalinity ?

06 June 2018 569 0 View

What is X-ray density?How to calculate x-ray density of nanoparticles?

please give papers/ references, if possible.

06 June 2018 4,319 4 View

How can I calculate Energy Band gap for YAG nanoparticles from UV Vis absorbance spectroscopy results?

Please share the source of method for reference.

05 May 2018 1,251 3 View

How to prepare cellulose sample for SEM ?

Please elaborate the process.

05 May 2018 3,699 2 View

What interpretations can I make from EDS(Energy dispersive X-ray spectroscopy) results i.e. element weight percentage and atomic percentage?

here are the results (O -Oxygen, Al Aluminium ,Y- Yttrium)

05 May 2018 3,935 4 View

What are the peaks observed in UV Vis spectra of pure YAG nanocrystals (Yittrium Aluminium Garnet)?

Which solvent should I use for testing?Study of UV vis and fluorescence characteristic of YAG.

05 May 2018 8,312 5 View

Can anyone confirm my xrd results for cellulose extracted from bagasse ?

1) I have attached my xrd result .Please provide JCPDS Card for same if avilable. 2) Peaks(2theta) observed are 20.12, 19.7, 12.3, 21.96 .(As per my findings (Luminescent cellulose fibers...

04 April 2018 3,552 2 View

Looking For JCPDS Card For Agar Agar?

any paper references will be helpful too.

01 January 1970 7,983 5 View