FIELD EMISSION STUDIES OF THE SURFACE CONSTANTS OF REFRACTORY METALS.
NEVADA UNIV RENO DEPT OF PHYSICS
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The activation energy for surface migration, the surface tension, and the diffusivity constant for surface motion were measured, using field emission techniques, for tungsten bcc and rhenium hcp. The values for tungsten agree well with results reported by other investigators. Similar work on rhenium was not reported previously. Investigations are continuing on other metals with face centered cubic and hexagonal close packed crystal structure. Author