Dear all rietvelder,
Please give me a suggestion about my problem.
I want to do quantitative analysis using GSAS, however my diffraction
pattern has very high and rough background which makes me difficult to
do preliminary qualitative works to determine the available phases.
Is it alright if I
I would suggest that you do the background refinement with GSAS. Try
using Expgui, a graphical
interface to gsas written by Brian Toby, to select background points
and do a background fit.
There are excellent tutorials on doing this available at:
Dear Wahyu,
As well as the points that David has pointed out, the background could be
due to fluorescence from elements in your sample. For example iron
fluoresces under excitation from copper x-rays and so if you have access
to another wavelength / source then it may be more successfull. Or if
Dear Wahyu,
You may do quantitative analysis without background refinement or subtraction
using DDM:
www.icct.ru/Eng/Content/Persons/Sol_LA/ddm.html
Regards,
Leonid
--- On Tue, 5/19/09, wahyu bambang wahy...@gmail.com wrote:
From: wahyu bambang wahy...@gmail.com
Subject: about background
On May 19, 2009, at 5:16 AM, wahyu bambang wrote:
Is it alright if I substract the background and refine it a little
first using another refinement software before I go through GSAS?
Wahyu,
While I agree with what was said in other messages and prefer to
see people fit background using
