Title :
Computational study of first magnetization curves in small rings
Author :
Lopez-Diaz, L. ; Rothman, J. ; Klani, M. ; Bland, J.A.C.
Author_Institution :
Cavendish Lab., Cambridge Univ., UK
fDate :
9/1/2000 12:00:00 AM
Abstract :
First magnetization curves in rings of 1 μm diameter have been computed. The most important feature in the curve is the critical field for vortex annihilation. It is found that this field can be controlled accurately by changing the thickness and the width of the ring
Keywords :
magnetisation; computational micromagnetics; critical field; first magnetization curve; ring; vortex annihilation; Geometry; Helium; Magnetic hysteresis; Magnetic materials; Magnetic properties; Magnetization; Magnetoresistance; Micromagnetics; Random access memory; Thickness control;
Journal_Title :
Magnetics, IEEE Transactions on