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Open Access item Ballistic magnetoresistance in transition-metal nanocontacts: The case of iron

Authors:García García, Nicolás
Muñoz, Manuel
Zhao, Y. W.
Issue Date:1-May-2000
Publisher:American Institute of Physics
Citation:Applied Physics Letters 76(18): 2586 (2000)
Abstract:This letter shows that the ballistic magnetoresistance of Fe at room temperature and low magnetic fields is ten times smaller than for Ni and Co. The results are well explained by theory that provides a global understanding for 3d transition metals because, for Fe, the ratio of majority to minority spins at Fermi level is much smaller than for Ni and Co. The data indicate that conduction is carried out by majority d electrons in the case of Fe, in contrast to what happens for Ni and Co.
Description:2 pages, 2 figures.
Publisher version (URL):http://dx.doi.org/10.1063/1.126416
Appears in Collections:(LFSPyN) Artículos

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