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15 May 2003

Volume 93, Issue 10, pp. 5855-8792

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Quantum conductance in electrodeposited nanocontacts and magnetoresistance measurements

F. Elhoussine, A. Encinas, S. Mátéfi-Tempfli, and L. Piraux

J. Appl. Phys. 93, 8567 (2003); http://dx.doi.org/10.1063/1.1557341 (3 pages) | Cited 6 times

Online Publication Date: 9 May 2003

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Show Abstract
We present conductance and magnetoresistance measurements in magnetic Ni–Ni and Co–Ni nanocontacts prepared by electrodeposition within the pores of a track-etched polymer membrane. At room temperature, Ni–Ni constrictions show broad quantization plateaus of conductance during their dissolution into units of e2/h, as expected for ferromagnetic ballistic nanocontacts. Additionally, positive and negative magnetoresistance has been measured in Co–Ni nanocontacts. © 2003 American Institute of Physics.
Show PACS
81.07.Lk Nanocontacts
81.15.Pq Electrodeposition, electroplating
73.40.Jn Metal-to-metal contacts
73.50.Jt Galvanomagnetic and other magnetotransport effects (including thermomagnetic effects)
75.50.Cc Other ferromagnetic metals and alloys
73.23.Ad Ballistic transport
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