: Mittwoch, 11. April 2018 05:04
An: XAFS Analysis using Ifeffit <ifeffit@millenia.cars.aps.anl.gov>
Betreff: Re: [Ifeffit] Phase shift
Hi Julian,
On Tue, Apr 10, 2018 at 1:30 PM, Julian Ehwald < <mailto:jehw...@gmail.com>
jehw...@gmail.com> wrote:
Dear all,
I have a ver
Hi Julian,
On Tue, Apr 10, 2018 at 1:30 PM, Julian Ehwald wrote:
> Dear all,
>
>
>
> I have a very general question about the phase shift. I tried to fit a
> rather noisy sample of Li2IrO3, where I get a first main peak around 1
> angstroem, according to FEFF calculation
Hi Bindu,
Why the peak in the Fourier transform of the experimental
spectrum is less than the actual one.
The EXAFS equation is:
N S02 F(K)
chi(k) = --- exp(-2k^2 sigma^2) sin(2kR + phi(k))
2kR^2
In the oscillatory term, there is a piece