Superstability of Surface Nanobubbles

B.M. Borkent, S.M. Dammer, Holger Schönherr, Gyula J. Vancso, Detlef Lohse

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Abstract

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 languageUndefined
Pages (from-to)204502-1-204502-4
Number of pages4
JournalPhysical review letters
Volume98
Issue number20
DOIs
Publication statusPublished - 2007

Keywords

  • METIS-239489
  • IR-59117

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