4.6 Article

Sharp reduction of the secondary electron emission yield from grooved surfaces

Journal

JOURNAL OF APPLIED PHYSICS
Volume 104, Issue 10, Pages -

Publisher

AMER INST PHYSICS
DOI: 10.1063/1.3021149

Keywords

aluminium; copper; Monte Carlo methods; rough surfaces; secondary electron emission; titanium alloys; titanium compounds; vanadium alloys; zirconium alloys

Funding

  1. U.S. DOE [DE-AC03-76SF00515, DE-AC03-76SF00098]

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The effect of an artificially enhanced rough surface on the secondary electron yield (SEY) was investigated both theoretically and experimentally. Analytical studies on triangular and rectangular grooved surfaces show the connection between the characteristic parameters of a given geometry to the SEY reduction. The effect of a strong magnetic field is also discussed. SEY of grooved samples have been measured and the results agree with particle simulations using a Monte Carlo approach.

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