{ "id": "1104.4743", "version": "v2", "published": "2011-04-25T15:56:41.000Z", "updated": "2011-12-29T23:42:09.000Z", "title": "Nonlinear interaction of spin and charge currents in graphene", "authors": [ "I. J. Vera-Marun", "V. Ranjan", "B. J. van Wees" ], "comment": "minor changes, 4 pages, 3 figures", "journal": "Phys. Rev. B 84, 241408(R) (2011)", "doi": "10.1103/PhysRevB.84.241408", "categories": [ "cond-mat.mes-hall" ], "abstract": "We describe a nonlinear interaction between charge currents and spin currents which arises from the energy dependence of the conductivity. This allows nonmagnetic contacts to be used for measuring and controlling spin signals. We choose graphene as a model system to study these effects and predict its magnitudes in nonlocal spin valve devices. The ambipolar behavior of graphene is used to demonstrate amplification of spin accumulation in p-n junctions by applying a charge current through nonmagnetic contacts.", "revisions": [ { "version": "v2", "updated": "2011-12-29T23:42:09.000Z" } ], "analyses": { "subjects": [ "72.25.Hg", "72.80.Vp", "75.76.+j", "85.75.-d" ], "keywords": [ "charge current", "nonlinear interaction", "nonmagnetic contacts", "nonlocal spin valve devices", "controlling spin signals" ], "tags": [ "journal article" ], "publication": { "publisher": "APS", "journal": "Physical Review B", "year": 2011, "month": "Dec", "volume": 84, "number": 24, "pages": 241408 }, "note": { "typesetting": "TeX", "pages": 4, "language": "en", "license": "arXiv", "status": "editable", "adsabs": "2011PhRvB..84x1408V" } } }