Journal Article

FZJ-2020-02663

http://join2-wiki.gsi.de/foswiki/pub/Main/Artwork/join2_logo100x88.png Orbital angular momentum resolved electron magnetic chiral dichroism

Rotunno, E. (Corresponding author) ; Zanfrognini, M. ; Frabboni, S. ; Rusz, J. ; Dunin-Borkowski, R.FZJ* ; Karimi, E. ; Grillo, V.

2019
Inst. Woodbury, NY

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Please use a persistent id in citations: http://hdl.handle.net/2128/25429  doi:10.1103/PhysRevB.100.224409

Abstract: We propose to use the recently introduced orbital angular momentum spectrometer in a transmission electron microscope to perform electron magnetic chiral dichroism experiments, dispersing the inelastically scattered electrons from a magnetic material in both energy and angular momentum. The technique offers several advantages over previous formulations of electron magnetic chiral dichroism as it requires much simpler experimental conditions in terms of specimen orientation and thickness. A simulation algorithm, based on the multislice description of the beam propagation, is used to anticipate the advantages of the approach over current electron magnetic chiral dichroism implementations. Numerical calculations confirm an increased magnetic signal to noise ratio with in plane atomic resolution.

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Contributing Institute(s):

1. Physik Nanoskaliger Systeme (ER-C-1)

Research Program(s):

1. 143 - Controlling Configuration-Based Phenomena (POF3-143) (POF3-143)
2. Q-SORT - QUANTUM SORTER (766970) (766970)

Appears in the scientific report 2020

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Database coverage:
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