Configurable phonon polaritons in twisted α-MoO3
Configurable phonon polaritons in twisted α-MoO3
Mingyuan Chen,Xiao Lin,6 Authors,S. Dai
2020 · DOI: 10.1038/s41563-020-0732-6
Nature Materials · 249 Citations
TLDR
Infrared nanoimaging of phonon polaritons in twisted α-phase molybdenum trioxide bilayers reveals tunable wavefront geometries and topological transitions over a broad range of twist angles, offering a configurable platform for nanophotonic applications.