The candidate pool for engineered materials that can help enable tomorrow's cutting-edge optical technologies—such as lasers, ...

Figure 1: Defects on a TI surface. Impurity-induced carrier control is the cornerstone of the semiconductor industry, and band structure engineering via disorder is the natural successor of such ...

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 ...

ARPES maps the electronic properties, including the band structure and Fermi surface, of the topological insulator bismuth selenide (left). Like graphene, the lower energy valence band of a ...

Measuring topological invariants is an essential task in characterizing topological phases of matter. Scientist in China implemented the experimental extraction of Zak phase from band structures ...

Ubiquity of topological materials revealed in catalogues containing thousands of substances. Topological magnetoelectric effect. The MnBi 2 Te 4 may also become an axion insulator – the solid-state ...

The researchers backed up their findings using density-functional theory band structure and edge state calculations with and without an applied electric field. Towards the first room-temperature ...

Around the bend. An acoustic topological insulator would guide sound waves around its edges, as shown in this simulation. Credit: Z. Yang et al., Phys. Rev. Lett. (2015) ...

Sep 27, 2021: Physicists realize a topological Mott insulator in twisted bilayer graphene (Nanowerk News) Imagine stacking two sheets of graphene – the 2D form of graphite, or the pencil at your hand ...