The Frictional Behavior of Thin Halide Films on Iron
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The frictional properties of thin inorganic halide films on iron measured in ultrahigh vacuum
Friction coefficients are measured in ultrahigh vacuum using a tungsten carbide tribopin against thin films of sodium chloride and potassium iodide deposited onto clean iron. It is found, in accordance with previous measurements for potassium chloride on iron, that the friction coefficient falls from an initial value of 2 for the clean iron surface to a minimum value after a few tens of Ångstro...
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