Scientists discover how photon beam can flip the spin polarization of electrons emitted from topological insulator
Wednesday, March 13, 2013 - 08:00
in Physics & Chemistry
(Phys.org) —Plain-looking but inherently strange crystalline materials called 3D topological insulators (TIs) are all the rage in materials science. Even at room temperature, a single chunk of TI is a good insulator in the bulk, yet behaves like a metal on its surface.