Simultaneous measurement of static and kinetic friction of ZnO nanowires in situ with a scanning electron microscope |
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Authors: | Polyakov Boris Dorogin Leonid M Vlassov Sergei Kink Ilmar Romanov Alexey E Lohmus Rynno |
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Institution: | Institute of Physics, University of Tartu, Riia st. 142, 51014 Tartu, Estonia. boriss.polakovs@ut.ee |
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Abstract: | A novel method for in situ measurement of the static and kinetic friction is developed and demonstrated for zinc oxide nanowires (NWs) on oxidised silicon wafers. The experiments are performed inside a scanning electron microscope (SEM) equipped with a nanomanipulator with an atomic force microscope tip as a probe. NWs are pushed by the tip from one end until complete displacement is achieved, while NW bending is monitored by the SEM. The elastic bending profile of a NW during the manipulation process is used to calculate the static and kinetic friction forces. |
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