Physics – Condensed Matter – Mesoscale and Nanoscale Physics
Scientific paper
1998-03-09
IEEE Transactions on Magnetics 34, 900 (1998)
Physics
Condensed Matter
Mesoscale and Nanoscale Physics
8 pages, 3 postscript figures, and 2 jpg images (Fig 1 and 2) to appear in IEEE Transactions on Magnetics (Fall 1998)
Scientific paper
10.1109/20.706305
The magnetoresistance (MR) associated with domain boundaries has been investigated in microfabricated bcc Fe (0.65 to 20 $\mu$m linewidth) wires with controlled stripe domains. Domain configurations have been characterized using magnetic force microscopy. MR measurements as a function of field angle, temperature and domain configuration are used to estimate MR contributions due to resistivity anisotropy and domain walls. Evidence is presented that domain boundaries enhance the conductivity in such microstructures over a broad range of temperatures (1.5 K to 80 K).
Kent Andrew D.
Levy Peter M.
Parkin Stuart S. P.
Ruediger U.
Yu Jaejun
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