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Figure 3
This measurement concerns a side-chain liquid-crystal polymer (PAXY spectrometer, LLB, CEA Saclay; Noirez & Lapp, 1997BB12). The sample is sheared in a device which produces the shadow in the upper part. Because of the shearing the scattering is tilted. Therefore a general tilt has been applied to the functions in the model, a Lorentz–Lorentz function for the polymer and a power law to take into account the scattering from a few catalytic particles. However, this fit was not satisfactory. A two-dimensional representation of the difference between the data and the model (Fig. 4[link]) helped in understanding the problem.

Journal logoJOURNAL OF
APPLIED
CRYSTALLOGRAPHY
ISSN: 1600-5767
Volume 40| Part s1| April 2007| Pages s433-s438
doi:10.1107/S0021889807009314
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