Abstract:
:A crystal of emerging magnetic charges is expected in the phase diagram of the dipolar kagomé spin ice. An observation of charge crystallites in thermally demagnetized artificial spin ice arrays has been recently reported by S. Zhang and coworkers and explained through the thermodynamics of the system as it approaches a charge-ordered state. Following a similar approach, we have generated a partial order of magnetic charges in an artificial kagomé spin ice lattice made out of ferrimagnetic material having a Curie temperature of 475 K. A statistical study of the size of the charge domains reveals an unconventional sawtooth distribution. This distribution is in disagreement with the predictions of the thermodynamic model and is shown to be a signature of the kinetic process governing the remagnetization.
journal_name
Sci Repjournal_title
Scientific reportsauthors
Montaigne F,Lacour D,Chioar IA,Rougemaille N,Louis D,Mc Murtry S,Riahi H,Burgos BS,Menteş TO,Locatelli A,Canals B,Hehn Mdoi
10.1038/srep05702subject
Has Abstractpub_date
2014-07-16 00:00:00pages
5702issn
2045-2322pii
srep05702journal_volume
4pub_type
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