Title :
Magnetization reversal of circular nanoscale ferromagnetic elements with modified shapes
Author :
Hu, H. ; Wang, H. ; McCartney, M.R. ; Smith, David.J.
Author_Institution :
Dept. of Phys. & Astron., Arizona State Univ., Tempe, AZ, USA
Abstract :
Off-axis electron holography technique makes in situ observation of the magnetization reversal within the electron microscope possible. Polycrystalline Co elements are fabricated by electron beam lithography and lift-off process. The magnetization reversal behaviors of cut-off rings with different inner diameters are compared with those of complete rings with similar sizes. Complete rings showed different switching behaviors depending on their outer and inner diameter ratios.
Keywords :
cobalt; electron beam lithography; electron holography; ferromagnetic materials; magnetisation reversal; nanostructured materials; rings (structures); Co; circular nanoscale ferromagnetic elements; complete ring; cut-off ring; electron beam lithography; lift-off; magnetization reversal; modified shape; off-axis electron holography; polycrystalline Co elements; switching behavior; Chemical elements; Electron beams; Holography; Magnetic domain walls; Magnetic domains; Magnetic hysteresis; Magnetic switching; Magnetization reversal; Physics; Shape;
Conference_Titel :
Magnetics Conference, 2005. INTERMAG Asia 2005. Digests of the IEEE International
Print_ISBN :
0-7803-9009-1
DOI :
10.1109/INTMAG.2005.1463886
