Noble metal ion bombardment of polycrystalline metal surfaces

Burrow, N G; Burtt, R B

doi:10.1088/0022-3727/5/12/313

Cited by 4 publications

(2 citation statements)

References 18 publications

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“…The neutralized ions have small excitation energies (less than the target work-functions) and relatively large target/atom attractive forces. Neutralization is likely then to be predominantly by resonance transitions involving no electron ejection, just as in the case of noble metal ions (Burrow and Burtt 1972), and electron ejection coefficients of less than 1 % would be expected.…”

Section: Potential Ejectionmentioning

confidence: 99%

1-17 keV positive ion-induced electron ejection from tungsten, molybdenum and vanadium

Cook¹,

Burtt²

1975

J. Phys. D: Appl. Phys.

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Measurements have been made of secondary electron currents resulting from positive ion bombardment of clean (100) crystal targets of tungsten, molybdenum and vanadium, as well as polycrystalline tungsten, by a range of ions. Data from a relatively large number of bombarding ion species give support to Parilis and Kishinevskii's theory of kinetic electron ejection from metals (1960) and indicate the isotopic dependence of kinetic electron ejection, and that of the ejection coefficient and threshold velocities, on ion and target atom numbers.

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Section: Potential Ejectionmentioning

confidence: 99%

1-17 keV positive ion-induced electron ejection from tungsten, molybdenum and vanadium

Cook¹,

Burtt²

1975

J. Phys. D: Appl. Phys.

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“…The Fermi energies and work-functions (Yasui et a1 1970, Anderson and McCaffrey 1969, Mattheiss 1965, probably the dipole polarizabilities, and therefore the attractive van der Waals forces between the sputtered ions and the targets, increase with atomic number (Burrow and Burtt 1972). Ions sputtered from the vanadium target will thus be subject to recombination transitions nearest to the target and the ion current will be subject to the greatest attenuation (Burrow and Burtt 1972). Molybdenum ions will be subject to less attenuation and tungsten ions even less.…”

Section: L Sputtered Target Ionsmentioning

confidence: 99%

Kinetic electron ejection by scattered neutralized positive ions

Cook¹,

Burtt²

1975

J. Phys. D: Appl. Phys.

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A crude energy analysis of positive secondary currents (measured on the collecting surfaces) from clean single-crystal targets of tungsten, molybdenum and vanadium, as well as polycrystalline tungsten, indicates that significant proportions of the currents measured result not only from sputtered target ions but also from kinetic electron ejection from the collecting surfaces by scattered incident particles. Some correlation has been achieved with kinetic ejection thresholds calculated according to simple hard-shape collision theory.

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19. Electrode surface effects in the high voltage glow discharge

Hurley¹,

Holliday²

1978

Vacuum

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Noble metal ion bombardment of polycrystalline metal surfaces

Cited by 4 publications

References 18 publications

1-17 keV positive ion-induced electron ejection from tungsten, molybdenum and vanadium

1-17 keV positive ion-induced electron ejection from tungsten, molybdenum and vanadium

Kinetic electron ejection by scattered neutralized positive ions

19. Electrode surface effects in the high voltage glow discharge

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