Towards 2D Memory Technology

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In spintronics, the magnetic moment of electrons (spin) is used to transfer and manipulate information. An ultra-compact 2D spin-logic circuitry could be built from 2D materials that can transport the spin information over long distances and also provide strong spin-polarization of charge current. Experiments by physicists at the University of Groningen (The Netherlands) and Colombia University (USA) suggest that magnetic graphene can be the ultimate choice for these 2D spin-logic devices as it efficiently converts charge to spin current and can transfer this strong spin-polarization over long distances. This discovery was published on 6 May in Nature Nanotechnology. Spintronic devices are promising high-speed and energy-saving alternatives for the current electronics. These devices use the magnetic moment of electrons so-called spins (‘up’ or ‘down’) to transfer and store information. The ongoing scaling down of memory technology requires ever smaller spintronic devices and thus it seeks for atomically thin materials that can actively generate large spin signals and transfer the spin information over micrometre-long distances.

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