Small-angle X-ray scattering - Hasylab - Desy

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$Grazing Incidence X-ray Diffraction - Hasylab$

Intensity (arbitrary units) 10 10 10 5 10 0 Intensity of a sphere 10 -1 q (1/nm) Sphere (projected) Circle in 2d q -4 q -3 Theoretical 10 0 de = 3 de = 2 Many SAXS curves follow a power law I(q) ∝ q -α α is the power law exponent d e = Euclidian dimension (3 in real life)
Mass fractal Menger sponge, mass fractal dimension D m = 2.72 (Source: http://commons.wikimedia.org/wiki/File:Menger_sponge_(Level_1-4).jpg)
Page 1 and 2: The very basics of Small-angle X-ra
Page 4 and 5: 20 40 60 80 Small is big & big is s
Page 6 and 7: Oriented samples (example) Organocl
Page 8 and 9: Example of a SAXS beamline, B1 SAXS
Page 10 and 11: 0 200 400 600 800 Scattering from a
Page 14 and 15: Surface fractal Koch snowflake, sur
Page 16 and 17: Form factor & structure factor of p
Page 18 and 19: Scattering from particles Distance
Page 20 and 21: N(R) = number size distribution R =
Page 22 and 23: Example: Ontime chemistry at beamli
Page 24 and 25: Example: Spinodal decomposition in
Page 26 and 27: Two-phase approximation • Only me
Page 28 and 29: Lignosulfonate, the brown stuff in
Page 30 and 31: SAXS beamlines at DORIS III • SAX
Page 32: Programs to analyze SAXS data But b

Small-angle X-ray scattering - Hasylab - Desy

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