Combination of scanning Auger and very-low-energy electron microscopy

M M El-Gomati, I Mullerova, L Frank

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Abstract

The problem of obtaining localised information from solids by electrons is discussed and arguments in favour of scanning Auger electron microscopy (SAM) and scanning very-low-energy electron microscopy (SLEEM) are given. Examples highlighting the problems of using either of these methods alone are shown which demonstrate the need to combine both techniques. A novel mini-held emission all electrostatic column has been developed for use as the electron probe for a combined SAM/SLEEM system. The column comprises all the lenses and a novel SLEEM detector based on the cathode lens principle. The whole system measures 92 mm in length and fits inside a cylindrical mirror analyser. A series of micrographs demonstrating the principle of the SLEEM detection from a composite sample of Au, Al and C obtained with electron energies over the range 13-5000 eV is given.

Original languageEnglish
Title of host publicationELECTRON
EditorsA Kirkland, PD Brown
Place of PublicationLONDON
PublisherINST MATERIALS
Pages326-333
Number of pages2
ISBN (Print)1-86125-051-7
Publication statusPublished - 1998
EventInternational Centennial Symposium on the Electron - CAMBRIDGE
Duration: 15 Sept 199717 Sept 1997

Conference

ConferenceInternational Centennial Symposium on the Electron
CityCAMBRIDGE
Period15/09/9717/09/97

Keywords

  • CATHODE LENS

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