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Title: Coercivity variation in Ni 80Fe 20 ferromagnetic nanowires
Authors: Goolaup, S. 
Singh, N.
Adeyeye, A.O. 
Keywords: Magnetic anisotropy
Magnetic films
Magnetic hysteresis
Issue Date: Sep-2005
Citation: Goolaup, S., Singh, N., Adeyeye, A.O. (2005-09). Coercivity variation in Ni 80Fe 20 ferromagnetic nanowires. IEEE Transactions on Nanotechnology 4 (5) : 523-526. ScholarBank@NUS Repository.
Abstract: Deep ultraviolet lithography was used to fabricate highly ordered 80-nm-thick Ni 80Fe 20 nanowire arrays over a large area (4 × 4 mm 2). The magnetic properties of the wire array display a marked increase in both the coercivity and switching field due to magnetic shape anisotropy compared with the bulk film. The angular variation of the coercivity for nanowire arrays has been investigated in order to probe the magnetization reversal process. Our systematic study of the coercivity variation, which is also aided by theoretical modeling, reveals that the curling mode of rotation is the dominant reversal mechanism. © 2005 IEEE.
Source Title: IEEE Transactions on Nanotechnology
ISSN: 1536125X
DOI: 10.1109/TNANO.2005.851405
Appears in Collections:Staff Publications

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