First two-dimensional material that performs as both topological insulator and superconductor
Thursday, November 1, 2018 - 07:00
in Physics & Chemistry
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 insulator, and one that conducts current with no resistance, making it a superconductor—researchers at MIT and colleagues from four other institutions have demonstrated.