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Thermalized ground state of artificial kagome spin ice building blocks

Arnalds, Unnar (author)
Uppsala universitet,Institutionen för fysik och astronomi,Materials Physics
Farhan, Alan (author)
Paul Scherrer Institut
Chopdekar, Rajesh (author)
Paul Scherrer Institut
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Kapaklis, Vassilios (author)
Uppsala universitet,Institutionen för fysik och astronomi,Materials Physics
Balan, Ana (author)
Paul Scherrer Institut
Papaioannou, Evangelos (author)
Uppsala universitet,Institutionen för fysik och astronomi,Materials Physics
Ahlberg, Martina (author)
Uppsala universitet,Institutionen för fysik och astronomi,Materials Physics
Nolting, Frithjof (author)
Paul Scherrer Institut
Heyderman, Laura (author)
Paul Scherrer Institut
Hjörvarsson, Björgvin (author)
Uppsala universitet,Materialfysik
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 (creator_code:org_t)
AIP Publishing, 2012
2012
English.
In: Applied Physics Letters. - : AIP Publishing. - 0003-6951 .- 1077-3118. ; 101:11, s. 112404-
  • Journal article (other academic/artistic)
Abstract Subject headings
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  • We present a direct magnetic imaging study on the thermal macrospin ordering of artificial kagome spin ice building blocks. Using photoemission electron microscopy, employing x-ray magnetic circular dichroism, we are able to resolve the single domain magnetic nature of the macrospins and determine the states of the combined building block structures. The nano-patterning and material selection allows thermally activated magnetization reversal for the macrospins to occur. The ordering of the macrospins is dominated by the ground state, consistent with a thermal ground state ordering. This work paves the way for the realization of extended artificial spin ice structures exhibiting experimentally accessible thermal behavior

Subject headings

NATURVETENSKAP  -- Fysik -- Den kondenserade materiens fysik (hsv//swe)
NATURAL SCIENCES  -- Physical Sciences -- Condensed Matter Physics (hsv//eng)

Keyword

Fysik med inriktning mot atom- molekyl- och kondenserande materiens fysik
Physics with spec. in Atomic, Molecular and Condensed Matter Physics

Publication and Content Type

vet (subject category)
art (subject category)

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