Journal
JOURNAL OF APPLIED PHYSICS
Volume 95, Issue 11, Pages 7255-7257Publisher
AMER INST PHYSICS
DOI: 10.1063/1.1688679
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The spatial distribution of the spin current is studied in the nonlocal geometry of a contact between ferromagnetic and nonmagnetic metals taking into account the finite size effect of the contact area by applying finite element method in two dimensions. The sign and the order of magnitude of the obtained spin accumulation signal are consistent with the experiment. It is shown that, with a tunneling-like contact, the two-dimensional inhomogeneous distribution in spin current is slightly observed, and the one-dimensional analysis is appropriate to evaluate the experimental results. (C) 2004 American Institute of Physics.
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