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Figure 3
Representation of the principle of µGISAXS measurement. In this case the surface is the protein thin LB film. αi is the incidence angle and αf the exit angle. Scattered beams are collected in both directions, i.e. in planes Ψ and α, which correspond to axes qy and qz of the reciprocal space, where qz is the wavevector component perpendicular to the surface and qy is the wavevector component parallel to the surface. A characteristic feature of a GISAXS pattern is the Yoneda peak (Yoneda, 1963BB24), shown here in blue.

Journal logoJOURNAL OF
SYNCHROTRON
RADIATION
ISSN: 1600-5775
Volume 16| Part 3| April 2009| Pages 330-335
doi:10.1107/S0909049509002763
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