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Brailsford, David F. and Robertson, Andrew J. B. (1968) Calculation of electric field strengths at a sharp edge. International Journal of Mass Spectrometry and Ion Physics, 1 . pp. 75-85.

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Abstract

Sharp edges were first used for field ionisation mass spectrometry by Beckey. Although Cross and Robertson found that etched metal foils were more effective than razor blades for field ionisation, blades are very convenient for determination of field ionisation mass spectra, as reported by Robertson and Viney. The electric field at the vertex of a sharp edge can be calculated by the method of the conformal transformation. Here we give some equations for the field deduced with the assumption that the edge surface can be approximated by a hyperbola. We also compare two hyperbolae with radii of curvature at the vertex of 500 Angstrom and 1000 Angstrom with the profile of a commercial carbon-steel razor blade.

Item Type:	Article
RIS ID:	https://nottingham-repository.worktribe.com/output/1025907
Additional Information:	This paper has been totally re-built and re-typeset into a "final draft" form PDF
Keywords:	Field ionization, conformal transformations, mass spectrometry, electric fields, razor blades
Schools/Departments:	University of Nottingham, UK > Faculty of Science > School of Computer Science University of Nottingham, UK > Faculty of Science > School of Mathematical Sciences University of Nottingham, UK > Faculty of Science > School of Chemistry
Depositing User:	Brailsford, Prof David
Date Deposited:	04 Aug 2005
Last Modified:	04 May 2020 20:34
URI:	https://eprints.nottingham.ac.uk/id/eprint/160

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