Optimization of magnetic anisotropy and applied fields for hyperthermia applications

Hweerin Sohn, R. H. Victora

Research output: Contribution to journalArticle

16 Scopus citations

Abstract

Magnetic anisotropy and applied fields for hyperthermia applications have been optimized for iron cobalt nanocrystalline particles using numerical micromagnetics. The optimized anisotropy energy is [formula omitted] at 500 KHz and the hysteresis loss at this optimized energy is approximately [formula omitted] for a very small oscillating field of magnitude 10 Oe. We have also investigated the effects of varying the applied field and find that the addition of a 20 Oe static field applied perpendicular to the oscillating field approximately doubles the energy loss without subjecting the patient to additional radiation. This is an important benefit for magnetic hyperthermia.

Original languageEnglish (US)
Number of pages1
JournalJournal of Applied Physics
Volume107
Issue number9
DOIs
StatePublished - May 1 2010

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