Experimental and theoretical investigation of cubic FeCo nanoparticles for magnetic hyperthermia

Ying Jing, Hweerin Sohn, Timothy Kline, Randall H. Victora, Jian Ping Wang

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17 Scopus citations

Abstract

Magnetic nanoparticles have great potential as heating elements for use in magnetic hyperthermia for cancer therapy and drug release. A problem with widely used magnetite and mag-hematite nanoparticles is the relatively low magnetization, which results in low heating efficiency. Here high-magnetic-moment Fe70 Co30 nanoparticles with a cubic shape were synthesized using a gas condensation sputtering technique for potential magnetic hyperthermia application. The mean size of nanoparticles was 12 nm with 13.6% standard deviation. Micromagnetic simulation of particles' experimental hysteresis loop suggests that their behavior is dominated by a uniaxial anisotropy.

Original languageEnglish (US)
Article number07B305
JournalJournal of Applied Physics
Volume105
Issue number7
DOIs
StatePublished - Apr 27 2009

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