Search results for moiré lattices

Nanophysics Apr 4, 2024

Unlocking exotic physics: Exploring graphene's topological bands in super-moiré structures

In a new study, scientists from Singapore and Spain have presented a new avenue for exploring exotic physics in graphene. They focus on electronic interactions in graphene when it is sandwiched in a three-layer structure ...

Nanophysics Apr 17, 2024

Atom-by-atom: Imaging structural transformations in 2D materials

Silicon-based electronics are approaching their physical limitations and new materials are needed to keep up with current technological demands. Two-dimensional (2D) materials have a rich array of properties, including superconductivity ...

Condensed Matter Feb 4, 2024

Exploring new physics arising from electron interactions in semiconductor moiré superlattices

Semiconductor moiré superlattices are fascinating material structures that have been found to be promising for studying correlated electron states and quantum physics phenomena. These structures, made up of artificial atom ...

Optics & Photonics Nov 4, 2020

Moiré lattices used to induce formation of optical solitons

A team of researchers from China, Spain, Russia and Portugal has developed a way to use Moiré lattices to optically induce and highlight the formation of optical solitons under different geometrical conditions. In their ...

Nanophysics Dec 22, 2020

Two dimensional heterostructures composed of layers with slightly different lattice vectors

New periodic structures known as moiré lattices can be observed in two-dimensional (2-D) heterostructures containing layers with slightly different lattice vectors, which can in turn support new topological phenomena. It ...

General Physics Feb 15, 2021

Moiré patterns facilitate discovery of novel insulating phases

Materials having excess electrons are typically conductors. However, moiré patterns—interference patterns that typically arise when one object with a repetitive pattern is placed over another with a similar pattern—can ...

Nanomaterials Dec 23, 2019

Researchers break the geometric limitations of moiré pattern in graphene heterostructures

Researchers at the University of Manchester have uncovered interesting phenomena when multiple two-dimensional materials are combined into van der Waals heterostructures (layered "sandwiches" of different materials).

Nanophysics Oct 30, 2023

The right twist and strain for graphene to form 1D moirés

Researchers at IMDEA Nanociencia have developed an analytical method to explain the formation of a quasi-perfect 1D moiré pattern in twisted bilayer graphene. The pattern, naturally occurring in piled 2D materials when a ...

General Physics Oct 22, 2020

Shedding light on moiré excitons: A first-principles perspective

Moiré superlattices that are located within van der Waals (vdW) heterostructures can trap long-lived interlayer excitons to form ordered quantum dot arrays, paving the way for unprecedented optoelectronic and quantum information ...

Condensed Matter Mar 21, 2023

Semiconductor lattice marries electrons and magnetic moments

A model system created by stacking a pair of monolayer semiconductors is giving physicists a simpler way to study confounding quantum behavior, from heavy fermions to exotic quantum phase transitions.

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