Topological insulators are materials whose structure forces photons and electrons to move only along the material's boundary and only in one direction. These particles experience little resistance and travel freely past obstacles ...
Optics & Photonics
Oct 13, 2021
0
80
Moving heat around where you want it to go—adding it to houses and hairdryers, removing it from car engines and refrigerators—is one of the great challenges of engineering.
Condensed Matter
Sep 30, 2021
0
319
Imagine stacking two sheets of graphene—the 2D form of graphite, or the pencil at your hand—in which the carbon atoms form a hexagonal lattice and twist the top sheet out of alignment with the sheet below, yielding a ...
Nanomaterials
Sep 27, 2021
0
75
Israeli and German researchers have developed a way to force an array of vertical cavity lasers to act together as a single laser—a highly effective laser network the size of a grain of sand. The findings are presented ...
Optics & Photonics
Sep 24, 2021
0
612
Three-dimensional topological insulators are materials that can conduct electric current without resistance—but only on their surface. However, this effect is difficult to measure. This is because these materials usually ...
Nanophysics
Sep 21, 2021
0
43
An intrinsic magnetic topological insulator MNBI2TE4 has been discovered with a large band gap, making it a promising material platform for fabricating ultra-low-energy electronics and observing exotic topological phenomena.
Nanophysics
Sep 21, 2021
0
58
Over the past few years, many physicists and material scientists worldwide have been investigating the properties and characteristics of magic-angle twisted bilayer graphene (MATBG). MATBG is a strongly correlated material ...
High-voltage direct current cables which can efficiently transport electricity over long distances play a vital role in our electricity supply. Optimizing their performance is therefore an important challenge. With that aim ...
Polymers
Aug 26, 2021
1
471
A new Monash review throws the spotlight on recent research in heterostructures of topological insulators and magnetic materials.
Quantum Physics
Aug 5, 2021
0
187
In a finding that will give theorists plenty to ponder, an all-RIKEN team has observed an unexpected response in an exotic material known as a Mott insulator when they injected electrons into it. This observation promises ...
Optics & Photonics
Aug 3, 2021
0
160
