Amar Khelfane

4 Questions 2 Answers 0 Followers

Questions related from Amar Khelfane

What does a site of high symmetry mean??

low R-value is probably related to the higher symmetrical site occupied by Eu3+ ions, supporting the highest emission intensity.

11 June 2024 233 1 View

What style of references can be used in Bulletin of materials science?

template [1] auteur1 initial1, Auteur2 initial2, ...., auteur6 initial6 et al year journal name (abbreviation) volume (bold) page

06 November 2023 1,466 3 View

How can I calculate JO parameters for any materials doped by rare earth ion Tm3+???

I have a the absorption spectrum + the emission spectrum. I need to calculate the JO parameters for Tm3+ doped phosphors

31 October 2022 6,587 0 View

How and where I can change the parameters to decrease the Chi 2 and the Rp, Rexp, Rwp factors ?

Hello, I found large Chi2 (> 300), knowing that I made edit PCR and I put initial parameters from ICSD sheets (JCPDS) and found the position of the peaks is the same except the intensities are...

24 October 2021 182 3 View