(PhysOrg.com) -- One of the issues afflicting magnetic memory is the fact that it is difficult to store information for as long as 10 years. In order to overcome this problem, scientists and engineers have been looking for a way to increase the density of magnetic grains used for storage, as well as use a material with high magnetic anisotropy energy (MAE). Using cobalt (which has the highest MAE of ferromagnetic elements), a group at the Leibniz Institute for Solid State and Materials Research in Dresden, Germany, discovered a way to increase the density of magnetic grains in a data storage device.
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