Fragility of the spin-glass-like collective state to a magnetic field in an interacting Fe-C nanoparticle system

Publication: Research - peer-reviewJournal article – Annual report year: 2001

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The effect of applied magnetic fields on the collective nonequilibrium dynamics of a strongly interacting Fe-C nanoparticle system has been investigated. It is experimentally shown that the magnetic aging diminishes to finally disappear for fields of moderate strength. The field needed to remove the observable aging behavior increases with decreasing temperature. The same qualitative behavior is observed in an amorphous metallic spin glass (Fe0.15Ni0.85)(75)P16B6Al3.
Original languageEnglish
JournalPhysical Review B Condensed Matter
Publication date2001
Volume64
Issue21
Pages212402
ISSN0163-1829
DOIs
StatePublished

Bibliographical note

Copyright (2001) American Physical Society

CitationsWeb of Science® Times Cited: 19

Keywords

  • RELAXATION, PARTICLE SYSTEM, ESCAPE RATES, PHASE, NONEQUILIBRIUM DYNAMICS
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