Physics – Condensed Matter – Materials Science
Scientific paper
2012-01-12
Physics
Condensed Matter
Materials Science
6 pages, 3 figures
Scientific paper
The influence of a transverse static magnetic field on the magnetic hyperthermia properties is studied on a system of large-losses ferromagnetic FeCo nanoparticles. The simultaneous measurement of the high-frequency hysteresis loops and of the temperature rise provides an interesting insight into the losses and heating mechanisms. A static magnetic field of only 40 mT is enough to cancel the heating properties of the nanoparticles, a result reproduced using numerical simulations of hysteresis loops. These results cast doubt on the possibility to perform someday magnetic hyperthermia inside a magnetic resonance imaging setup.
Carrey Julian
Chaudret Bruno
Cornejo Alejandro
Delpech F.
Mehdaoui B.
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