Electron Energy Loss Spectroscopy : Chemical Information at the Nanometer Scale

✍ Scribed by Marc-Georg Willinger

• Book ID: 102866592
• Publisher: Wiley (John Wiley & Sons)
• Year: 2007
• Weight: 954 KB
• Volume: 9
• Category: Article
• ISSN: 1439-4243
• DOI: 10.1002/imic.200790160

✦ Synopsis

The combination of high resolution imaging with energy loss spectroscopy allows to resolve questions about the morphology, structure, composition and electronic structure of a material in a single instrument. By the assistance of band structure calculations and simulated EELS spectra, the experimental data can be analyzed in detail. Following this approach it is possible to study the relation between the geometric and electronic structure of materials at the nanometer scale. simply needs to analyze the amount of energy the probing electron has lost dur ing its passage through the sample. The energy loss spectrum is then generated by recording the number of electrons that have lost a certain amount of energy and plotting this over the energy lost. As such, the recorded spectrum resembles the probability of an inelastic interaction