Secondary electron emission properties of conducting surfaces for use in multistage depressed collectors |
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Abstract: | Secondary electron emission measurements were made in an Auger spectrometer, which allowed the surface chemical constituents to be determined also. Materials studied were beryllium, soot, pyrolytic graphite, copper, titanium carbide and, tantalum. Pyrolytic graphite roughened by sputter etching showed the most favorable results for depressed collector use. |
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