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000645896 1001_ $$0P:(DE-HGF)0$$aBürkle, Elias$$b0
000645896 245__ $$aDesign and Characterization of a Fully Automated Free-Standing Liquid Crystal Film Holder
000645896 260__ $$aBasel, Switzerland$$bMDPI$$c2026
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000645896 520__ $$aWe present the design and characterization of a fully automated free-standing liquid crystal (FSLC) film holder, enabling remote and precise control of liquid crystal (LC) volume release, wiping speed, and temperature. Using 4-octyl-4′-cyanobiphenyl (8CB) as a test material, we systematically investigated the influence of formation parameters on the resulting film thickness and temporal evolution. Thickness measurements performed by monitoring the difference in optical path lengths of two arms of a standard optical intensity autocorrelation setup reveal that the wiping speed is the dominant factor determining both the initial film thickness and the subsequent annealing dynamics, while temperature becomes relevant only at the highest wiping speeds. Faster wiping speeds consistently produce thinner and more uniform FSLC films on the order of 3 µm, due to reduced LC mass deposition. Time-resolved optical and X-ray scattering measurements confirm the presence of an annealing phase following film formation, which can last for between 1 s and 10 min time scales, until a stable smectic configuration is reached. The holder provides a reliable and fully remote tool for generating high-quality FSLC films at rates up to 1 Hz, suitable for optical to hard X-ray experiments where direct access to the sample environment is limited. 
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000645896 7001_ $$0P:(DE-H253)PIP1100595$$aLutz, Marius$$b1
000645896 7001_ $$aMeyer-Hermann, Klara M.$$b2
000645896 7001_ $$0P:(DE-H253)PIP1085741$$aKhadiev, Azat$$b3
000645896 7001_ $$0P:(DE-H253)PIP1001864$$aNovikov, Dmitri$$b4$$udesy
000645896 7001_ $$0P:(DE-H253)PIP1086543$$aFriebel, Patrick$$b5
000645896 7001_ $$0P:(DE-H253)PIP1095154$$aCattaneo, Laura$$b6$$eCorresponding author
000645896 773__ $$0PERI:(DE-600)3136565-6$$a10.3390/liquids6010007$$gVol. 6, no. 1, p. 7 -$$n1$$p7 $$tLiquids$$v6$$x2673-8015$$y2026
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000645896 9141_ $$y2026
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