Abstract: Oxide compositions containing niobium pentoxide and an oxide selected from the group consisting of hafnia, titania, and zirconia have electrical conductivity characteristics which vary greatly depending on the oxygen content.
December 2, 1974
Date of Patent:
April 6, 1976
The United States of America as represented by the United States Energy Research and Development Administration
Cressie E. Holcombe, Jr., Douglas D. Smith