Title :
Barium de-wetting and thermionic emission from Ba on W
Author :
Kordesch, M.E. ; Congshang Wan
Author_Institution :
Dept. of Phys., Ohio Univ., Athens, OH, USA
Abstract :
The wetting behavior of Ba metal on polycrystalline tungsten foil was observed in thermionic and photoelectron emission microscopy. The wetting behavior of Ba on W included droplet formation and selective wetting of W grains.
Keywords :
barium; photoelectron microscopy; thermionic emission; tungsten; wetting; Ba; W; barium dewetting behaviour; droplet formation; photoelectron emission microscopy; polycrystalline tungsten foil; thermionic emission; Barium; Brightness; Heating; Lighting; Barium; dewetting; emission microscopy; tungsten;
Conference_Titel :
Vacuum Nanoelectronics Conference (IVNC), 2013 26th International
Conference_Location :
Roanoke, VA
DOI :
10.1109/IVNC.2013.6624735
