A new spin on battery technology Tech News on ZDNet: "Charged by the application of a very strong magnetic field, the Magnetic Tunnel Junction (MTJ) contains a set of nano-magnets - zones some 5 nanometers across in a zinc-gallium-arsenic-magnesium matrix - which absorb energy and then release it over time. Although the effect had been predicted, the size and duration of the result was not."
The paper in Nature:
http://www.nature.com/nature/journal/vaop/ncurrent/full/nature07879.html
Thursday, May 7, 2009
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