Publikation:

Role of dipole-dipole interactions for hyperthermia heating of magnetic nanoparticle ensembles

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2012

Autor:innen

Haase, Christian

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http://nbn-resolving.de/urn:nbn:de:bsz:352-185401
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https://doi.org/10.1103/PhysRevB.85.045435
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Published

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Physical Review B. 2012, 85(4). ISSN 1098-0121. Available under: doi: 10.1103/PhysRevB.85.045435

Zusammenfassung

For clinical hyperthermia treatment the heating efficiency of magnetic nanoparticle ensembles is a crucial element. Using efficient algorithms, this heating is studied numerically with a focus on the effects of dipole-dipole interparticle interactions. For the time evolution of realistically modeled systems an approach based on the Landau-Lifschitz-Gilbert equation of motion with Langevin dynamics is taken. Our results suggest a widely negative influence of dipole-dipole interactions on the heating power of nanoparticles. However, considering ensembles within a fixed, given sample volume an optimal particle density exists. The presented results may have important implications for the medical use of magnetic hyperthermia treatment.

Zusammenfassung in einer weiteren Sprache

Fachgebiet (DDC)
530 Physik

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dipole-dipole interactions, hyperthermia heating, magnetic nanoparticle ensembles

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ISO 690HAASE, Christian, Ulrich NOWAK, 2012. Role of dipole-dipole interactions for hyperthermia heating of magnetic nanoparticle ensembles. In: Physical Review B. 2012, 85(4). ISSN 1098-0121. Available under: doi: 10.1103/PhysRevB.85.045435
BibTex
@article{Haase2012dipol-18540,
  year={2012},
  doi={10.1103/PhysRevB.85.045435},
  title={Role of dipole-dipole interactions for hyperthermia heating of magnetic nanoparticle ensembles},
  number={4},
  volume={85},
  issn={1098-0121},
  journal={Physical Review B},
  author={Haase, Christian and Nowak, Ulrich}
}
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