Superstability of Surface Nanobubbles

Details Superstability of Surface Nanobubbles Superstability of Surface Nanobubbles

2007-03-21

arxiv.org/abs/physics/0703203v1

Phys Rev Lett 98, 204502 (2007)

Physics

Fluid Dynamics

5 pages, 2 figures

Scientific paper

10.1103/PhysRevLett.98.204502

Shock wave induced cavitation experiments and atomic force microscopy measurements of flat polyamide and hydrophobized silicon surfaces immersed in water are performed. It is shown that surface nanobubbles, present on these surfaces, do not act as nucleation sites for cavitation bubbles, in contrast to the expectation. This implies that surface nanobubbles are not just stable under ambient conditions but also under enormous reduction of the liquid pressure down to −6MPa. We denote this feature as superstability.

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