Figure 6
NR data, fits and SLD profiles for the GMO-dodecane systems. (a) Comparison of NR data for dodecane-\(\hbox {d}_{26}\) with and without GMO entrained against iron-coated silicon substrates at 7.0 \(\times\) 10\(^{2}\) \(\hbox {s}^{-1}\). Data collected at \(\theta = 2.3^\circ\) are offset by \(10^{-1}\) in the vertical axis. (b) NR data for 20 mM GMO in dodecane-\(\hbox {d}_{26}\) and CMdod entrained against an iron-coated silicon substrate at 7.0 \(\times\) 10\(^{2}\) \(\hbox {s}^{-1}\). Best fits shown by dashed lines. The reflectivity has been modified by a \(Q^{4}\) factor to aid comparison. Data are offset in the vertical axis for clarity. (c) Spin-up scattering length density, \(\hbox {SLD}_{++}\), profile from the median values of the GMO-dodecane system. A small \(\hbox {SiO}_{2}\) layer was modelled between the Si and Fe layer but is not labelled for clarity. Here, \(\mathrm {SLD}_{++} = \mathrm {SLD}_{\mathrm {n}} + \mathrm {SLD}_{\mathrm {m}}\).
