Title :
Magnetic properties of lateral "antidot" arrays
Author :
Jalil, M.B.A. ; Phoa, S.L.A. ; Tan, S.L. ; Adeyeye, A.O.
Author_Institution :
Dept. of Electr. & Comput. Eng., Nat. Univ. of Singapore, Singapore
Abstract :
Summary form only given. The magnetic behavior of submicron ferromagnetic structures can be manipulated by changing their size and geometry. Specifically, it has been shown that lateral permalloy (Py) films with lithographed hole ("antidot") array possess new properties, due to the competition between shape and intrinsic anisotropies. In this paper, we study this phenomenon by micromagnetic and magnetotransport modeling of several antidot structures: (a) Py film with unfilled holes, (b) Py films with Co holes, and (c) Co films with Py holes. Our transport model assumes an anisotropic magnetoresistance relation.
Keywords :
Permalloy; arrays; cobalt; ferromagnetic materials; magnetic particles; magnetic thin films; magnetoresistance; micromagnetics; Co films; Co holes; NiFe-Co; anisotropic magnetoresistance; antidot structures; lateral antidot arrays; lateral permalloy films; lithographed hole array; magnetic behavior; magnetic properties; magnetotransport modeling; micromagnetic modeling; submicron ferromagnetic structures; unfilled holes; Anisotropic magnetoresistance; Magnetic anisotropy; Magnetic fields; Magnetic materials; Magnetic properties; Magnetic separation; Magnetosphere; Perpendicular magnetic anisotropy; Pump lasers; Schottky diodes;
Conference_Titel :
Magnetics Conference, 2002. INTERMAG Europe 2002. Digest of Technical Papers. 2002 IEEE International
Conference_Location :
Amsterdam, The Netherlands
Print_ISBN :
0-7803-7365-0
DOI :
10.1109/INTMAG.2002.1000800
