Transformation of polycrystalline tungsten to monocrystalline tungsten W(100) and its potential application in Schottky emitters

The electron sources in electron microscopes and electron lithography machines often consist of small diameter W(100) wires, etched to form a sharp tip. The electron emission is facilitated by the Schottky effect, thus the name Schottky emitter. The authors are investigating the feasibility of arrays of such electron emitters for the use in...