Title :
The effect of interface dispersion on noise and hysteresis in permanent magnet stabilized MR elements
Author :
Champion, Eric ; Bertram, H. Neal
Author_Institution :
Center for Magnetic Recording Res., California Univ., San Diego, La Jolla, CA, USA
fDate :
11/1/1995 12:00:00 AM
Abstract :
Noise and hysteresis in permanent magnet stabilized magnetoresistive elements are studied via a 3D micromagnetic simulation. The response of the element to a uniform external field is examined and is found to be very sensitive to the magnetics of the overlap region between the hard and soft magnet materials. Simulation results indicate that proper initialization of the permanent magnet material during film deposition would greatly improve the stability of these devices
Keywords :
interface magnetism; magnetic hysteresis; magnetic noise; magnetoresistive devices; permanent magnets; 3D micromagnetic simulation; film deposition; hard magnet materials; hysteresis; interface dispersion; magnetoresistive elements; noise; permanent magnet; soft magnet materials; stability; Dispersion; Magnetic films; Magnetic hysteresis; Magnetic materials; Magnetic noise; Magnetoresistance; Micromagnetics; Permanent magnets; Soft magnetic materials; Stability;
Journal_Title :
Magnetics, IEEE Transactions on
