Three-dimensional image using scanning tunneling electron microscopy of electrons on the surface of a Weyl semi-metal, a kind of crystal with unusual conducting and insulating properties. Credit: Yazdani et al., Princeton University.
Princeton Uni researchers have observed a bizarre behavior in a strange new topological crystal material that could hold the key for faster electronics. Unlike most materials in which electrons travel on the surface, in these new materials the electrons sink into the depths of the crystal through special conductive channels. “It is like these electrons go down a rabbit hole and show up on the opposite surface,” said Prof. Ali Yazdani, . “You don’t find anything else like this in other materials.”
Yazdani and his colleagues discovered the odd behavior while stu...
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