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Magnetic Ordering of Focused-Ion-Beam Structured Cobalt-Platinum Dots for Field-Coupled Computing

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6 Author(s)
Markus Becherer ; Inst. for Tech. Electron., Tech. Univ. of Munich, Munich ; GyÖrgy Csaba ; Wolfgang Porod ; Rainer Emling
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This paper presents an experimental and computational study of dipolar ordering phenomena in ion-beam patterned Co/Pt multilayers. The fabrication and the patterning of the layers were chosen to achieve single-domain dots, which show strong magnetic coupling and are uniform in their magnetic properties. We find that antiferromagnetic-like ordering can extend to as many as several hundred adjacent dots. Micromagnetic simulations reproduce the experimentally observed ordering and suggest that such multilayers are promising candidates for field-coupled computing devices.

Published in:

IEEE Transactions on Nanotechnology  (Volume:7 ,  Issue: 3 )