Sum rules in zone axis STEM-orbital angular momentum resolved electron magnetic chiral dichroism
arXiv:1911.02006 · doi:10.1103/PhysRevB.102.184420
Abstract
In this work we derive sum rules for orbital angular momentum(OAM) resolved electron magnetic chiral dichroism (EMCD) which enable the evaluation of the strength of spin and orbital components of the atomic magnetic moments in a crystalline sample. We also demonstrate through numerical simulations that these rules appear to be only slightly dependent from the dynamical diffraction of the electron beam in the sample, making possible their application without the need of additional dynamical diffraction calculations.
arXiv comment7 pages, 4 figures
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- Experimental demonstration of an electrostatic orbital angular momentum sorter for electrons
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- Alignment of electron optical beam shaping elements using a convolutional neural network