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Chirality selective magnon-phonon hybridization and magnon-induced chiral phonons in a layered zigzag antiferromagnet
Jun Cui, Emil Vinas Bostroem, Mykhaylo Ozerov +8
Two-dimensional (2D) magnetic systems possess versatile magnetic order and can host tunable magnons carrying spin angular momenta. Recent advances show angular momentum can also be…
Imaging dynamic exciton interactions and coupling in transition metal dichalcogenides
Torben L. Purz, Eric W. Martin, William G. Holtzmann +6
Transition metal dichalcogenides (TMDs) are regarded as a possible materials platform for quantum information science and related device applications. In TMD monolayers, the dephas…
Coherent strong-coupling of terahertz magnons and phonons in a Van der Waals antiferromagnetic insulator
Qi Zhang, Mykhaylo Ozerov, Emil Vinas Boström +10
Emergent cooperative motions of individual degrees of freedom, i.e. collective excitations, govern the low-energy response of system ground states under external stimulations and p…
Even-Odd Layer-Dependent Anomalous Hall Effect in Topological Magnet MnBi2Te4 Thin Films
Yi-Fan Zhao, Ling-Jie Zhou, Fei Wang +10
A central theme in condensed matter physics is to create and understand the exotic states of matter by incorporating magnetism into topological materials. One prime example is the…
Unraveling intrinsic flexoelectricity in twisted double bilayer graphene
Yuhao Li, Xiao Wang, Deqi Tang +8
Moiré superlattices of two-dimensional (2D) materials with a small twist angle are thought to exhibit appreciable flexoelectric effect, though unambiguous confirmation of their fle…
Imaging graphene moiré superlattices via scanning Kelvin probe microscopy
Junxi Yu, Rajiv Giridharagopal, Yuhao Li +5
Moiré superlattices in van der Waals heterostructures are gaining increasing attention because they offer new opportunities to tailor and explore unique electronic phenomena when s…