The 10 cm Atom Probe
- 1 August 1973
- journal article
- Published by AIP Publishing in Review of Scientific Instruments
- Vol. 44 (8) , 1034-1038
- https://doi.org/10.1063/1.1686295
Abstract
A novel atom probe is described which can determine the mass‐to‐charge ratios of all ion species produced during a single desorption event or of individual species at several preselected crystallographic locations during each desorption event. This is accomplished without tip movement in an instrument no larger than a conventional field ion microscope by using a new channel plate photomultiplier detector. Alignment, aiming, and pulse stability problems common to all previous designs have been eliminated. Although the present mass resolution is 4 amu at m/n = 184/3, single isotope resolution, if desired, seems possible.Keywords
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