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Light-emitting diodes by bandstructure engineering in van der Waals heterostructures
F. Withers, O. Del Pozo-Zamudio, A. Mishchenko +8
The advent of graphene and related 2D materials has recently led to a new technology: heterostructures based on these atomically thin crystals. The paradigm proved itself extremely…
Proton transport through one atom thick crystals
S. Hu, M. Lozada-Hidalgo, F. C. Wang +10
Graphene is impermeable to all gases and liquids, and even such a small atom as hydrogen is not expected to penetrate through graphene's dense electronic cloud within billions of y…
Twist-controlled resonant tunnelling in graphene-boron nitride-graphene heterostructures
A. Mishchenko, J. S. Tu, Y. Cao +19
Recent developments in the technology of van der Waals heterostructures made from two-dimensional atomic crystals have already led to the observation of new physical phenomena, suc…
Detecting Topological Currents in Graphene Superlattices
R. V. Gorbachev, J. C. W. Song, G. L. Yu +8
Topological materials may exhibit Hall-like currents flowing transversely to the applied electric field even in the absence of a magnetic field. In graphene superlattices, which ha…
Hierarchy of Hofstadter states and replica quantum Hall ferromagnetism in graphene superlattices
G. L. Yu, R. V. Gorbachev, J. S. Tu +16
Self-similarity and fractals have fascinated researchers across various disciplines. In graphene placed on boron nitride and subjected to a magnetic field, self-similarity appears…
Electronic Properties of Graphene Encapsulated with Different Two-Dimensional Atomic Crystals
A. V. Kretinin, Y. Cao, J. S. Tu +18
Hexagonal boron nitride is the only substrate that has so far allowed graphene devices exhibiting micron-scale ballistic transport. Can other atomically flat crystals be used as su…