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A new mechanism to realize spin-selective transport in tungsten diselenide
Spintronics are promising devices that work utilizing not only the charge of electrons, like conventional electronics, but also their spin (i.e., their intrinsic angular momentum). The development of fast and energy-efficient spintronic devices greatly depends on the identification of materials with a tunable spin-selective conductivity, which essentially means that engineers can control how electrons with different spin orientations move through these materials, ideally using external magnetic or electric fields.
Cool solutions could head off the climate-damaging rush for air con
Demand for air conditioning will only grow as temperatures rise, sending energy consumption soaring. But there are some interesting ways to deal with the issue, finds Graham Lawton
