For nearly two decades physicists have been learning to incorporate spin into conventional electronics. Now they may be one step closer to devices that use only flow of spins, but not of charges.
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Chappert, C., Kim, JV. Electronics free of charge. Nature Phys 4, 837–838 (2008). https://doi.org/10.1038/nphys1122
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DOI: https://doi.org/10.1038/nphys1122
