Photothermocapillary Oscillators

We present a new class of tunable light-driven oscillators based on mm-scale objects adsorbed at fluid interfaces. A fixed light source induces photothermal surface tension gradients (Marangoni stresses) that drive nanocomposite hydrogel discs away from a stable apex position atop a drop of water. T...

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Veröffentlicht in:	Physical review letters 2018-10, Vol.121 (15), p.158001-158001, Article 158001
Hauptverfasser:	Hauser, Adam W, Sundaram, Subramanian, Hayward, Ryan C
Format:	Artikel
Sprache:	eng
Schlagworte:	Curvature Hydrogels Incident light Luminous intensity Nanocomposites Oscillators Surface tension
Online-Zugang:	Volltext
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