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The carbon nanotube (CNT) probe, where a multi-walled (MW) CNT is attached onto the tip apex of a commercial silicon nitride cantilever, is applied to study friction on the nanometer scale using contact atomic force microscope (AFM). The friction versus load curve using CNT tip shows a completely different behavior from that of conventional tip, which is ascribed to the unique shape of CNT. In addition,...
We report the load dependence of the lateral force and the energy dissipation occurring at a tip–NaF(001) interface. Clear sublattice periodic maps of the lateral force consisting of large and small peaks appear at loading forces below tens of pN and even at negative loading forces. As loading force is increased, only large peaks remain, representing lattice periodicity. The behavior of the stick–slip...
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