Abstract

We resolve the long-standing mysterious discrepancy between the experimental magic angle in EELS—∼2ϑE—and the quantum mechanical prediction of ∼4ϑE. A relativistic approach surpassing the usually applied kinematic correction yields a magic angle close to the experimental value. The reason is that the relativistic correction of the inelastic scattering cross section in anisotropic systems is significantly higher than in isotropic ones.

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