Low-workfunction photocathodes based on acetylide compounds
Patent
·
OSTI ID:1132049
A low-workfunction photocathode includes a photoemissive material employed as a coating on the photocathode. The photoemissive material includes A.sub.nMC.sub.2, where A is a first metal element, the first element is an alkali metal, an alkali-earth element or the element Al; n is an integer that is 0, 1, 2, 3 or 4; M is a second metal element, the second metal element is a transition metal or a metal stand-in; and C.sub.2 is the acetylide ion C.sub.2.sup.2-. The photoemissive material includes a crystalline structure or non-crystalline structure of rod-like or curvy 1-dimensional polymeric substructures with MC.sub.2 repeating units embedded in a matrix of A.
- Research Organization:
- Argonne National Laboratory (ANL), Argonne, IL (United States)
- Sponsoring Organization:
- USDOE
- DOE Contract Number:
- AC02-06CH11357
- Assignee:
- U.S. Department of Energy (Washington, DC)
- Patent Number(s):
- 8,729,799
- Application Number:
- 13/688,605
- OSTI ID:
- 1132049
- Resource Relation:
- Patent File Date: 2012 Nov 29
- Country of Publication:
- United States
- Language:
- English
Electron emitter and method of fabrication
|
patent | May 1976 |
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