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cond-mat.mtrl-sci2026
PySlice: Routine Vibrational Electron Energy Loss Spectroscopy Prediction with Universal Interatomic Potentials
Harrison A. Walker, Thomas W. Pfeifer, Paul M. Zeiger +3
Vibrational spectroscopy in the electron microscope can reveal phonon excitations with nanometer spatial resolution, yet routine prediction remains out of reach due to fragmented w…
cond-mat.mtrl-sci2026
Phonon selection and interference in momentum-resolved electron energy loss spectroscopy
Thomas W. Pfeifer, Harrison A. Walker, Henry T. Aller +5
As momentum-resolved Electron Energy Loss Spectroscopy (q-EELS) becomes more widely used for phonon measurements, better understanding of the intricacies of the acquired signal is…
cond-mat.mtrl-sci2025
Topology-Driven Vibrations in a Chiral Polar Vortex Lattice
Eric R. Hoglund, Harrison A. Walker, Peter Meisenheimer +13
The ordering of magnetic or electric dipoles leading to real-space topological structures is at the forefront of materials research as their quantum mechanical nature often lends i…