Figure 2
Neutron powder-diffraction data acquired at the HRPD beamline at ISIS (top line), the simulated neutron diffractogram (after refinement of the modulated structure) (middle line), and the difference between theory and experiment (bottom line). Note that the diffraction intensities were multiplied by a factor of 8 between 2θ = 41 and 59° and by a factor of 40 between 2θ = 59 and 77°. At around 2θ = 27° (within the range indicated by the grey box), intensities stemming from the vanadium collimator were excluded from the refinement. |