Mahesh S K

4 Questions 6 Answers 0 Followers

Questions related from Mahesh S K

What is the difference between crystallographic and spectroscopic site symmetry?

Difference between crystallographic and spectroscopic site symmetry.

23 September 2013 7,581 9 View

What is the difference between doping and substitution?

In inorganic phosphor papers we are usually using the term activator doping (sometimes activator doping percentage can be around 30% or more). Is it actually doping or substitution?

29 May 2013 3,371 27 View

In the crystal structure output diagram, is it possible to distinguish two elements that are going to the same crystal sites (eg. 16d or 16c.)?

For example consider the pyrochlore structure A2B2O6O'. We can modify the host as AA'BB'O6O'. Currently, I am using DIAMOND software. In it we can distinguish the two oxygen atoms as they are...

15 October 2012 9,241 9 View

What is the difference between an excitation spectrum and absorption spectrum?

I have taken both the absorption and excitation spectrum of europium (3+) doped phosphors (5, 10 and 20mol%). In the excitation spectrum with an increase in Europium substitution the intensity of...

24 July 2012 4,684 4 View