Magnetic properties of heterostructured Co-Au nanoparticles direct-synthesized from gas phase

Yun Hao Xu, Jianping Wang

Research output: Contribution to journalArticlepeer-review

10 Scopus citations

Abstract

Heterostructured Co-Au nanoparticles are direct synthesized from gas phase. Magnetic properties of Co-Au nanoparticles are characterized. Low-temperature and room-temperature hysteresis loops show that the magnetic properties of Co are kept in Co-Au nanoparticles. A blocking temperature of 290 K is measured for Co-Au particles with an average size of 12 nm. A field-cooled low-temperature hysteresis loop of Co-Au nanoparticles indicates the existence of oxide, even the particles have a core-shell-like structure.

Original languageEnglish (US)
Pages (from-to)3109-3111
Number of pages3
JournalIEEE Transactions on Magnetics
Volume43
Issue number6
DOIs
StatePublished - Jun 1 2007

Keywords

  • Cobalt
  • Core-shell
  • Gold
  • Heterostructure
  • Nanocluster
  • Nanoparticle
  • Plasmonic
  • Superparamagnetism

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