Researchers from North Carolina
State University have solved a long - standing materials science problem, making it possible to create new semiconductor devices using zinc oxide (ZnO)-- including efficient ultraviolet (UV) lasers and LED devices for use in sensors and drinking water treatment, as well as new
ferromagnetic devices.
In particular, for dimension d > 1, Kondo physics dominates even at short distances, while the
ferromagnetic RKKY
state is energetically unfavorable.