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Numerical and experimental investigations of Boersch Phase Plate equipped Condenser Apertures for use in Electron Magnetic Circular Dichroism experiments in a Transmission Electron Microscope

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Pritschet, Andreas
Date of publication of this fulltext: 15 Jan 2014 13:52

Abstract (English)

In this work we have proposed a new setup for measuring EMCD experiments, which does — in theory — not rely on a crystalline sample for providing the required phase shifted beams. FEM calculations of the electrostatic potentials caused by phase plates justify the commonly assumed constant phase shift approximation inside a ring electrode for small radii, which are an order of magnitude larger ...


Translation of the abstract (German)

In dieser Arbeit stellen wir ein neues Setup zum Durchführen von EMCD Messungen vor, welches — theoretisch — keine kristalline Probe zum Erzeugen der benötigten Phasendifferenz zwischen den Strahlen benötigt. FEM Simulationen des elektrostatischen Potentials hervorgerufen durch Phasenplatten rechtfertigen die allgemein angenommen konstanten Phasenverschiebungen innerhalb einer Ringelektrode für ...


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