Title :
Effect of grooves on magnetization reversal in amorphous TbFeCo thin films
Author :
Gadetsky, S. ; Suzuki, T. ; Erwin, J.K. ; Mansuripur, M.
Author_Institution :
Opt. Sci. Center, Arizona Univ., Tucson, AZ, USA
fDate :
11/1/1994 12:00:00 AM
Abstract :
We have investigated the effect of grooves milled by argon ions in soda lime glass substrates on the magnetic behavior of amorphous TbFeCo films deposited onto these substrates. The domains are shown to expand along the grooves when the groove depth exceeds 10 nm. The effect originates from the difference in the coercivities of the film on the land and on the groove, as well as from the pinning of domain walls by the side-walls of the grooves
Keywords :
amorphous magnetic materials; cobalt alloys; coercive force; ferromagnetic materials; iron alloys; magnetic domain walls; magnetic domains; magnetic thin films; magnetisation reversal; terbium alloys; TbFeCo; amorphous TbFeCo thin films; coercivities; domain wall pinning; domains; groove depth; grooves; magnetic behavior; magnetization reversal; soda lime glass substrates; Amorphous magnetic materials; Amorphous materials; Magnetic domain walls; Magnetic domains; Magnetic films; Magnetization reversal; Optical films; Saturation magnetization; Substrates; Transistors;
Journal_Title :
Magnetics, IEEE Transactions on
