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(R, E)-diagrams like in Fig. 10, evaluated for a 3 mrad collection semi-angle centered around Γ-point at θx = 67 mrad.

(R, E)-diagrams like in Fig. 10, evaluated for a 3 mrad collection semi-angle centered around Γ-point at θx = 67 mrad.

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Recent developments in experiments with vibrational electron energy loss spectroscopy (EELS) have revealed spectral shape variations at spatial resolutions down to sub-atomic scale. Interpretation in terms of local phonon density of states enables their qualitative understanding, yet a more detailed analysis is calling for advances in theoretical m...

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