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Figure 6
(a) The φ-dependence of the total wavevector q for the first Bragg condition based on the TSAXS images from a Langmuir monolayer of AuNPs at the air–water meniscus interface against a vertically immersed Si substrate. The extracted data (symbols) and best fits (lines) are shown for X-ray spots at heights h = 1.5, 2.0, 2.5, 3.0 and 3.5 mm above the horizontal water surface. (b) Extracted surface tilt θ (symbols) as a function of X-ray spot height h. The lines represent predictions, based on equation (2)[link], for bare water surface (dashed line) and for a surface pressure of [\Pi] = 7 mN m−1 (solid line), at which the TSAXS images were taken.

Journal logoJOURNAL OF
SYNCHROTRON
RADIATION
ISSN: 1600-5775
Volume 23| Part 2| March 2016| Pages 519-531
doi:10.1107/S1600577515023103
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