Mapping momentum-dependent electron-phonon coupling and non-equilibrium phonon dynamics with ultrafast electron diffuse scattering
1 Department of Physics, Center for the Physics of Materials, McGill University, 3600 University Street, Montreal, Quebec, Canada H3A 2T8
2 Department of Chemistry, McGill University, 801 Sherbrooke Street W, Montreal, Quebec, Canada H3A 0B8
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Published online: 16 April 2019
We show that ultrafast electron diffuse (inelastic) scattering provides a detailed, momentum-resolved view of electron-phonon and phonon-phonon coupling across the entire Brillouin zone. Ultrafast time-resolution and scattering selection rules can distinguish between phonon branches without energy-resolution.
© The Authors, published by EDP Sciences, 2019