Mass separation of image gas field ions in the field ion microscope

Drachsel, Wolfgang; Gorodetskii, V.; Block, Jochen H.

doi:10.1016/0169-4332(94)90325-5

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Mass separation of image gas field ions in the field ion microscope

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Drachsel, Wolfgang
Fritz Haber Institute, Max Planck Society;

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Block, Jochen H.
Fritz Haber Institute, Max Planck Society;

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Citation

Drachsel, W., Gorodetskii, V., & Block, J. H. (1994). Mass separation of image gas field ions in the field ion microscope. Applied Surface Science, 76-77, 70-72. doi:10.1016/0169-4332(94)90325-5.

Cite as: https://hdl.handle.net/21.11116/0000-0009-8E57-6

Abstract

A simple magnetic mass separator is described which can be inserted in a conventional field ion microscope in order to identify the mass of the imaging-gas ions. The mini-mass spectrometer has been designed to allow a mass separation of Δm/m ≈ 0.1 from small surface areas of as few as ≈ 100 surface sites. An application to a FIM study of hydrogen oxidation on Pt will be given.