Theory of momentum-resolved phonon spectroscopy in the electron microscope

We provide a theoretical framework for the prediction and interpretation of momentum-dependent phonon spectra due to coherent inelastic scattering of electrons. We complete the approach with first-principles lattice dynamics using periodic density functional theory and compare to recent electron ene...

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Autors principals: Nicholls, R, Hage, F, McCulloch, D, Ramasse, Q, Refson, K, Yates, J
Format: Journal article
Publicat: American Physical Society 2019