Vacuum arc ion charge-state distributions

Journal Article · Tue Oct 01 00:00:00 EDT 1991 · IEEE Transactions on Plasma Science (Institute of Electrical and Electronics Engineers); (United States)

DOI:https://doi.org/10.1109/27.108403· OSTI ID:6972951

Brown, I G; Godechot, X ^[1]

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1. Lawrence Berkeley Lab., CA (United States). Accelerator and Fusion Research Div.

The authors have measured vacuum arc ion charge-state spectra for a wide range of metallic cathode materials. The charge-state distributions were measured using a time-of-flight diagnostic to monitor the energetic ion beam produced by a metal vapor vacuum arc ion source. They have obtained data for 48 metallic cathode elements: Li, C, Mg, Al, Si, Ca, Sc, Ti, V, Cr, Mn, Fe, Co, Ni, Cu, Zn, Ge, Sr, Y, Zr, Nb, Mo, Pd, Ag, Cd, In, Sn, Ba, La, Ce, Pr, Nd, Sm, Gd, Dy, Ho, Er, Yb, Hf, Ta, W, Ir, Pt, Au, Pb, Bi, Th, and U. The arc was operated in a pulsed mode with pulse length 0.25 ms; arc current was 100 A throughout. This array of elements extends and completes previous work by the authors. In this paper the measured distributions are cataloged and compared with their earlier results and those of other workers. They also make some observations about the performance of the various elements as suitable vacuum arc cathode materials.

• DOE Contract Number: AC03-76SF00098
• OSTI ID: 6972951
• Journal Information: IEEE Transactions on Plasma Science (Institute of Electrical and Electronics Engineers); (United States), Vol. 19:5; ISSN 0093-3813
• Country of Publication: United States
• Language: English

Related Subjects

71 CLASSICAL AND QUANTUM MECHANICS
GENERAL PHYSICS
Ta
CATHODES
MATERIALS
ION SOURCES
MULTICHARGED IONS
CHARGE STATES
COMPARATIVE EVALUATIONS
DIAGNOSTIC TECHNIQUES
EXPERIMENTAL DATA
ION BEAMS
PLASMA PRODUCTION
TIME-OF-FLIGHT METHOD
BEAMS
CHARGED PARTICLES
DATA
ELECTRODES
EVALUATION
INFORMATION
IONS
NUMERICAL DATA
661220* - Particle Beam Production & Handling
Targets- (1992-)