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1 paper

cond-mat.other2026

Dispersion Splitting of Phonon Polaritons in van der Waals Heterostructure

Daeho Noh, Jaehyeong Ock, Sergey G. Menabde +1

The biaxial van der Waals crystal α-phase molybdenum trioxide (α-MoO3) supports hyperbolic phonon-polaritons with anomalous dispersion in the Type-I Reststrahlen band (RB-I). Despi…