Jumping Nanodroplets | Zendy

Anja Habenicht | Zendy; Michael Olapinski | Zendy; Frank Burmeister | Zendy; P. Leǐderer | Zendy; Johannes Boneberg | Zendy

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Jumping Nanodroplets

Author(s) -

Anja Habenicht,

Michael Olapinski,

Frank Burmeister,

P. Leǐderer,

Johannes Boneberg

Publication year - 2005

Publication title -

science

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 12.556

H-Index - 1186

eISSN - 1095-9203

pISSN - 0036-8075

DOI - 10.1126/science.1116505

Subject(s) - dewetting , graphite , nanometre , materials science , nanosecond , wetting , inertia , explosive material , nanotechnology , laser , nanostructure , molecular physics , chemical physics , optics , chemistry , composite material , physics , classical mechanics , organic chemistry

Flat gold nanostructures on inert substrates like glass or graphite were illuminated by single intensive laser pulses with fluences above the gold melting threshold. The liquid structures produced in this way are far from their equilibrium shape, and a dewetting process sets in. On a time scale of a few nanoseconds, the liquid contracted toward a sphere. During this contraction, the center of mass moved upward, which could lead to detachment of droplets from the surface due to inertia. The resulting velocities were on the order of 10 meters per second for droplets with radii in the range of 100 nanometers.

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