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Domain-dependent surface adhesion in twisted few-layer graphene: Platform for moiré-assisted chemistry
Valerie Hsieh, Dorri Halbertal, Nathan R. Finney +13
Twisted van der Waals multilayers are widely regarded as a rich platform to access novel electronic phases, thanks to the multiple degrees of freedom such as layer thickness and tw…
Programming moiré patterns in 2D materials by bending
Mäelle Kapfer, Bjarke S. Jessen, Megan E. Eisele +20
Moiré superlattices in twisted two-dimensional materials have generated tremendous excitement as a platform for achieving quantum properties on demand. However, the moiré pattern i…
Negative refraction in hyperbolic hetero-bicrystals
A. J. Sternbach, S. L. Moore, A. Rikhter +12
We visualized negative refraction of phonon polaritons, which occurs at the interface between two natural crystals. The polaritons - hybrids of infrared photons and lattice vibrati…
2D material platform for overcoming the amplitude-phase tradeoff in ring modulators
Ipshita Datta, Andres Gil-Molina, Sang Hoon Chae +2
Compact, high-speed electro-optic phase modulators play a vital role in various large-scale applications including phased arrays, quantum and neural networks, and optical communica…
Ultra Localized Optoelectronic Properties of Nanobubbles in 2D Semiconductors
Sara Shabani, Thomas P. Darlington, Colin Gordon +7
The optical properties of transition metal dichalcogenides have previously been modified at the nanoscale by using mechanical and electrical nanostructuring. However, a clear exper…
Quadrupolar excitons in a tunnel-coupled van der Waals heterotrilayer
Weijie Li, Zach Hadjri, Jin Zhang +7
Strongly bound excitons and many-body interactions between them determine light-matter interactions in van der Waals (vdW) heterostructures of 2D semiconductors. Unlike fundamental…