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Spin-polarized currents generated by magnetic Fe atomic chains
Fe-based devices are widely used in spintronics because of high spin-polarization and magnetism. In this work, free-standing Fe atomic chains were proposed to be used as the thinnest wires to generate spin-polarized currents due to the spin-polarized energy bands. By ab initio calculations, the zigzag structure was found more stable than the wide-angle zigzag structure and has higher ratio of spin-up and spin-down currents. By our theoretical prediction, Fe atomic chains have sufficiently longdoi:10.1088/0957-4484/25/23/235202 pmid:24849670 fatcat:vejydz5gwjgujhvxkqdkb7uhbi