Print Email Facebook Twitter Shot noise in magnetic tunnel junctions from first principles Title Shot noise in magnetic tunnel junctions from first principles Author Liu, K. Xia, K. Bauer, G.E.W. Faculty Applied Sciences Department Quantum Nanoscience Date 2012-07-26 Abstract We compute the shot noise in ballistic and disordered Fe|MgO|Fe tunnel junctions by a wave-function-matching method. For tunnel barriers with ?5 atomic layers we find a suppression of the Fano factor as a function of the magnetic configuration. In the antiparallel configuration the shot noise is full up to a threshold bias that indicates the onset of resonant tunneling. We find excellent agreement with recent experiments when interface disorder is taken into account. To reference this document use: http://resolver.tudelft.nl/uuid:54cc0e8d-7b6d-4372-90dd-02553a7ae06e DOI https://doi.org/10.1103/PhysRevB.86.020408 Publisher American Physical Society ISSN 1098-0121 Source http://link.aps.org/doi/10.1103/PhysRevB.86.020408 Source Physical Review B, 86 (2), 2012 Part of collection Institutional Repository Document type journal article Rights © 2012 American Physical Society Files PDF Bauer_2012.pdf 459.9 KB Close viewer /islandora/object/uuid:54cc0e8d-7b6d-4372-90dd-02553a7ae06e/datastream/OBJ/view