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Low energy vacuum arc ion source

I.G. Brown, S. Anders, Michael R. Dickinson, P.B. Fojas, R.A. MacGill

Open publisher page 13 citations

Abstract

We have developed a version of vacuum arc ion source that produces a metal ion beam with energy of order 1 keV. The ion beam extractor is a three-grid, multiaperture configuration with a low accel–decel ratio so that ions are extracted from the plasma at a relatively high energy and then decelerated to the desired net beam energy. We have tentatively given this ion source the name leva, for low energy vacuum arc ion source. The leva source is cylindrical in shape with diameter about 6 cm and length about 16 cm and is located completely within the vacuum system; it is constructed from metal and alumina only and can be baked. We have operated it at net extraction voltages in the range 0.5–10 kV and produced a titanium ion beam current of up to 120 mA. Here we describe the source construction details and its performance.

About this research paper

What this paper is about

We have developed a version of vacuum arc ion source that produces a metal ion beam with energy of order 1 keV. The ion beam extractor is a three-grid, multiaperture configuration with a low accel–decel ratio so that ions are extracted from the plasma at a relatively high energy and then decelerated to the desired net beam energy. We have tentatively given this ion source the name leva, for low energy vacuum arc ion source. The leva source is cylindrical in shape with diameter about 6 cm and length about 16 cm and is located completely within the vacuum system; it is constructed from metal and alumina only and can be baked. We have operated it at net extraction voltages in the range 0.5–10 kV and produced a titanium ion beam current of up to 120 mA. Here we describe the source construction details and its performance.

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OpenAlex reports 13 citations for this work. Citation counts describe recorded attention and do not establish research quality.

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Available abstract

We have developed a version of vacuum arc ion source that produces a metal ion beam with energy of order 1 keV. The ion beam extractor is a three-grid, multiaperture configuration with a low accel–decel ratio so that ions are extracted from the plasma at a relatively high energy and then decelerated to the desired net beam energy. We have tentatively given this ion source the name leva, for low energy vacuum arc ion source. The leva source is cylindrical in shape with diameter about 6 cm and length about 16 cm and is located completely within the vacuum system; it is constructed from metal and alumina only and can be baked. We have operated it at net extraction voltages in the range 0.5–10 kV and produced a titanium ion beam current of up to 120 mA. Here we describe the source construction details and its performance.

Key concepts: Vacuum arc, Ion source, Ion beam deposition, Ion, Materials science, Ion beam, Ion gun, Atomic physics

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