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Title: Magnetic properties of lithographically defined rectangular antidot permalloy arrays
Authors: Wang, C.C. 
Adeyeye, A.O. 
Lin, C.C.
Keywords: Anisotropy
Antidot array
Magnetic domain
Patterned film
Issue Date: May-2004
Citation: Wang, C.C., Adeyeye, A.O., Lin, C.C. (2004-05). Magnetic properties of lithographically defined rectangular antidot permalloy arrays. Journal of Magnetism and Magnetic Materials 272-276 (SUPPL. 1) : e1299-e1300. ScholarBank@NUS Repository.
Abstract: We have investigated the magnetic properties of rectangular antidot (2×10 μm2) arrays embedded into 80 nm thick continuous permalloy films with the inter-hole spacing of 2 and 6 μm. We observed that the presence of the rectangular hole structures strongly modifies the shape of M-H loops, when compared with the reference continuous film. Specifically, the coercivity increases drastically as the inter-hole spacing is reduced. This is in agreement with our magnetic force microscopy images. Marked changes in both the shape and sign of the magnetoresistance curve were also observed. © 2003 Elsevier B.V. All rights reserved.
Source Title: Journal of Magnetism and Magnetic Materials
ISSN: 03048853
DOI: 10.1016/j.jmmm.2003.12.1343
Appears in Collections:Staff Publications

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