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Spintronics Technology Revolution Could Be Just a Hopfion Away A decade ago, the discovery of quasiparticles called magnetic skyrmions provided important new clues into how microscopic spin textures will enable spintronics, a new class of electronics that use the orientation of an electron’s spin rather than its charge to encode data.  But although scientists have made big advances in this very young field, they still don’t fully understand how to design spintronics materials that would allow for ultrasmall, ultrafast, low-power devices. Skyrmions may seem promising, but scientists have long treated skyrmions as merely 2D objects. Recent studies, however, have suggested that 2D skyrmions could actually be the genesis of a 3D spin pattern called hopfions. But no one had been able to experimentally prove that magnetic hopfions exist on the nanoscale.

United statesUnited kingdomComunidad autonoma de catalunaScott dhueyEva pereiroAndrea sorrentinoIan tg campbellDavid raftreyNeal reynoldsPeter fischerNoah kentSelven virasawmyRajeshv chopdekarAurelio hierro rodriguezFrances hellmanUniversity of oviedo