{ "id": "1504.06956", "version": "v1", "published": "2015-04-27T07:50:32.000Z", "updated": "2015-04-27T07:50:32.000Z", "title": "Strain-tuning of vacancy-induced magnetism in graphene nanoribbons", "authors": [ "Daniel Midtvedt", "Alexander Croy" ], "comment": "5 pages, 4 figures", "categories": [ "cond-mat.mes-hall" ], "abstract": "Vacancies in graphene lead to the appearance of localized electronic states with non-vanishing spin moments. Using a mean-field Hubbard model and an effective double-quantum dot description we investigate the influence of strain on localization and magnetic properties of the vacancy-induced states in semiconducting armchair nanoribbons. We find that the exchange splitting of a single vacancy and the singlet-triplet splitting for two vacancies can be widely tuned by applying uniaxial strain, which is crucial for spintronic applications.", "revisions": [ { "version": "v1", "updated": "2015-04-27T07:50:32.000Z" } ], "analyses": { "keywords": [ "graphene nanoribbons", "vacancy-induced magnetism", "mean-field hubbard model", "effective double-quantum dot description", "electronic states" ], "note": { "typesetting": "TeX", "pages": 5, "language": "en", "license": "arXiv", "status": "editable" } } }