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Erschienen in:
2009 | OriginalPaper | Buchkapitel
How to ‘See’ Electrons
verfasst von : David B. Williams, C. Barry Carter
Erschienen in: Transmission Electron Microscopy
Verlag: Springer US
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If we are studying the structure of a material, when all is said and done, all we have to show for learning how to operate our expensive TEM, the many hours spent in specimen preparation, etc., is an image or a DP. These images and DPs, which are just different distributions of electron intensity, have first to be viewed in some manner. After viewing, we have to decide if we want to save the results for future reference, perhaps so we can print out the data for a presentation, technical report, or scientific publication. Since, as we noted in the opening chapter, our eyes are not sensitive to electrons, we have to find ways to translate the electron-intensity distributions generated by the specimen into visible-light distributions, which we can see. This chapter will explain how we ‘see’ electrons.