4.8 Article

Photocoercivity of Nano-Stabilized Au:Fe Superparamagnetic Nanoparticles

Journal

ADVANCED MATERIALS
Volume 22, Issue 36, Pages 4054-4058

Publisher

WILEY-V C H VERLAG GMBH
DOI: 10.1002/adma.201002295

Keywords

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Funding

  1. German DFG
  2. Italian MURST [FIRB-RBNE-033-KMA]
  3. EC [FP6-504880, FP6-NMP3-CT-2005-515767, FP7-214107-2]

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We demonstrate light-induced switching of the coercive field of true nano-stabilized Au:Fe nanoparticles with exceptionally good magneto-optical response. Two separate processes are identified, both exploitable for photocommutation. This innovative material allows combining appealing photoswitching properties with the advantages of traditional metallic nanoparticles, opening the way to new multifunctional nanostructures.

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