نتایج جستجو برای: nanodroplet impact
تعداد نتایج: 761013 فیلتر نتایج به سال:
Here we report direct observations of spatial movements of nanodroplets of Pb metal trapped inside sealed carbon nanocontainers. We find drastic changes in the mobility of the liquid droplets as the particle size increases from a few to a few ten nanometers. In open containers the droplet becomes immobile and readily evaporates to the vacuum environment. The particle mobility strongly depends o...
Dynamics of the first few nanometers of water at the interface are encountered in a wide range of physical, chemical, and biological phenomena. A simple but critical question is whether interfacial forces at these nanoscale dimensions affect an externally induced movement of a water droplet on a surface. At the bulk-scale water droplets spread on a hydrophilic surface and slip on a nonwetting, ...
Water, like any polarizable medium, responds to a nonuniform electric field by collecting preferentially in regions of maximum field intensity. This manifestation of dielectrophoresis ~DEP! makes possible a variety of microelectromechanical liquid actuation schemes. In particular, we demonstrate a new class of high-speed DEP actuators, including ‘‘wall-less’’ flow structures, siphons, and nanod...
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