The Generalized Multipole Technique for the Simulation of Low-Loss Electron Energy Loss Spectroscopy

Lars Kiewidt,Mirza Karamehmedović

doi:10.1007/978-3-319-74890-0_7

The Generalized Multipole Technique for the Simulation of Low-Loss Electron Energy Loss Spectroscopy

Lars Kiewidt, Mirza Karamehmedović

https://doi.org/10.1007/978-3-319-74890-0_7

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Publication Date: Jan 1, 2018

Citations: 1

Affiliation: University of Bremen, Wageningen University & Research, Technical University of Denmark

#Electron Energy Loss Spectroscopy Spectra #Low-Loss Electron Energy Loss Spectroscopy + Show 8 more

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Abstract

In this study, we demonstrate the use of a Generalized Multipole Technique (GMT) to simulate low-loss Electron Energy Loss Spectroscopy (EELS) spectra of isolated spheriodal nanoparticles. The GMT provides certain properties, such as semi-analytical description of the electromagnetic fields, efficient solution of the underlying electromagnetic model, accurate description of the near field, and flexibility regarding the position and direction of the incident electron beam, that are advantageous for computation of EELS spectra. Within the chapter, we provide a derivation of the electromagnetic model and its connection to EELS spectra, and comprehensive validation of the implemented GMT regarding electromagnetic scattering and EELS.

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