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Abstract: We have analysed a number of experimental geometries two and three-beamgeometry, general systematic row setup, zone axis orientation for the electronmagnetic circular dichroism measurements EMCD. The effect of asymmetries inthose setups is described in detail, explaining the advantages of thethree-beam geometry. We observe a complicated thickness and orientationdependence of the dichroic signal and asymmetries. Therefore we stress theimportance of the simulations, which should accompany the EMCD experiments.



Autor: J. Rusz

Fuente: https://arxiv.org/







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