Porod exponent for SAS with slit-height/detector-width smearing
Select the Porod exponent (integer number), the full length/width of the rectangular-shaped beam-height or detector width (2*qy, symmetrically from -qy to +qy), and the qz-value of the SAS-curve. Note, the direction of qy is perpendicular to qz and that qy as well as qz must have the same units in either real or reciprocal space, respectively. The modified Porod-exponent due to slit/detector smearing will be calculated for the respective qz-value in the scattering curve.
Exponent (unsmeared)
-4 (smooth surface)
-3 (surface fractal)
-2 (disc-like shape)
-1 (rod-like shape)
slit/width :
qz-value :
Exponent (smeared):
Author:
M.Kriechbaum
, IBN (2012), e-mail:
manfred.kriechbaum@oeaw.ac.at