XAFS Homepage ESRF Homepage




Introduction

Free Soft
CDXAS
CHOOCH
DARESBURY
EDA
EXAFS (pour le Mac)
EXAFSPAK
GNXAS
LASE
MURATA
NPI
SEDEM
TT-MULTIPLETS
VIPER
XAFS
XAID
XANES dactyloscope
Commercial Soft
Cerius2 XAFS
Excurv98
XDAP
Licensed Soft
FEFF
UWXAFS
WINXAS
XFIT


Links
[TOP]
XAFS
A DATA ANALYSIS PROGRAM FOR MATERIALS SCIENCE
HARDWARE  68000 series Apple Macintosh
DOWNLOAD  Download it Here
AUTHORS  Author Markus Winterer
 
NOTES 

XAFS provides input options for data in HASYLAB, feff, and general column oriented formats.

XAFS features seven line shape functions for XANES fit: arctangian, error function, and linear linear combinations therof, Fano (step functions), Lorentzian, Gaussian, and pseudo-Voigt (peak functions).

EXAFS fit options are standard (with fit parameters N, R, s^2 and E0), general (N, R, s^2, E0, c3, c4, and h, x, n, parameters for electron mean free path, analytical distribution (N, R, s^2 , E0, and asymmetry parameter h) numerical distribution (s^2 , E0, 25 bins), and cumulant expansion (up to c4). Distribution reconstruction is performed by inverse sine fourier transform of chi data. The maximum number of shells / path fitted is seven.

Multiple scattering is available through the interface to feff. The analytical distribution fits use weighted exponential functions (m=0,1,and 2).

Currently, xafs runs on 68000 series Apple Macintosh computers with math coprocessors (fpu) and will soon be available in Power Macintosh and unix versions.

[TOP]