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Discovery of interlayer plasmon polaron in graphene/WS heterostructures
Søren Ulstrup, Yann in 't Veld, Jill A. Miwa +11
Harnessing electronic excitations involving coherent coupling to bosonic modes is essential for the design and control of emergent phenomena in quantum materials [1]. In situations…
Nanoscale view of engineered massive Dirac quasiparticles in lithographic superstructures
Alfred J. H. Jones, Lene Gammelgaard, Mikkel O. Sauer +13
Massive Dirac fermions are low-energy electronic excitations characterized by a hyperbolic band dispersion. They play a central role in several emerging physical phenomena such as…
Visualization of Strain-Induced Landau Levels in a Graphene - Black Phosphorus Heterostructure
Thi-Hai-Yen Vu, Pin Lyu, Na Hyun Jo +8
Strain-induced pseudo magnetic fields offer the possibility of realizing zero magnetic field Quantum Hall effect in graphene, possibly up to room temperature, representing a promis…
Correlation-Driven Electron-Hole Asymmetry in Graphene Field Effect Devices
Nicholas Dale, Ryo Mori, M. Iqbal Bakti Utama +13
Electron-hole asymmetry is a fundamental property in solids that can determine the nature of quantum phase transitions and the regime of operation for devices. The observation of e…
Spatiotemporal Imaging of Thickness-Induced Band Bending Junctions
Joeson Wong, Artur R. Davoyan, Bolin Liao +8
Van der Waals materials exhibit naturally passivated surfaces and can form versatile heterostructures, enabling observation of carrier transport mechanisms not seen in three-dimens…
Visualizing Orbital Content of Electronic Bands in Anisotropic 2D Semiconducting ReSe
B. K. Choi, S. Ulstrup, S. M. Gunasekera +12
Many properties of layered materials change as they are thinned from their bulk forms down to single layers, with examples including indirect-to-direct band gap transition in 2H se…