What is it about?
Small-angle X-ray scattering (SAXS) from fluids near the critical point, such as CHF3, CO2, Xe, and H2O, was analyzed using an intensity distribution function of fluctuating structures, D(R), in order to investigate the inhomogeneity in these fluids. It was found that the function D(R) / 1/(R4 + L4) could provide a good approximation of the intensity distribution functions of the fluctuating structures in the fluids. The Ornstein–Zernike correlation length (n) was found to be related to the half width at half maximum (L) of D(R): n was approximately 5/18 of L.
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Why is it important?
The interpretation shown in this study can provide better insight into SAXS of fluids near the critical point.
Read the Original
This page is a summary of: Interpretation of correlation length by small-angle X-ray scattering experiments on fluids near critical point, Chemical Physics Letters, March 2009, Elsevier,
DOI: 10.1016/j.cplett.2009.02.050.
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