Thermionic Emission from a Niobium Single Crystal
- 1 September 1974
- journal article
- Published by Canadian Science Publishing in Canadian Journal of Physics
- Vol. 52 (17) , 1589-1593
- https://doi.org/10.1139/p74-207
Abstract
A spherical projection diode was used to determine the Richardson constants from a niobium spherical single crystal. Work function and AR values are reported for the [110], [111], [112], [113], [116], [001], and [310] crystallographic directions. Examination of the crystal surface revealed plateau-like surface structure, thermal etch pits, and whisker growth.Keywords
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