In physics, they are currently the subject of intensive research; in electronics, they could enable completely new functions. So-called topological materials are characterized by special electronic properties, which are also ...
General Physics
Jul 7, 2020
0
67
Atomically thin layers of the semimetal tungsten ditelluride conduct electricity losslessly along narrow, one-dimensional channels at the crystal edges. The material is therefore a second-order topological insulator. By obtaining ...
Nanophysics
May 26, 2020
0
27
In a paper released today in Science Advances, Australian researchers describe the first observation of a native ferroelectric metal: a native metal with bistable and electrically switchable spontaneous polarization states—the ...
General Physics
Jul 5, 2019
1
6
A transistor based on the 2-D material tungsten ditelluride (WTe2) sandwiched between boron nitride can switch between two different electronic states—one that conducts current only along its edges, making it a topological ...
General Physics
Nov 1, 2018
2
571
