Superstability of Surface Nanobubbles

B.M. Borkent, S.M. Dammer, H. Schönherr, G.J. Vancso, D. Lohse

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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 -6 MPa. We denote this feature as superstability.
Original languageEnglish
Article number204502
Number of pages4
JournalPhysical review letters
Issue number20
Publication statusPublished - 2007


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