Debye-Based Frequency-Domain Magnetization Model for Magnetic Nanoparticles in Magnetic Particle Spectroscopy

Thilo Wawrzik, Takashi Yoshida, Meinhard Schilling, Frank Ludwig

研究成果: Contribution to journalArticle査読

15 被引用数 (Scopus)

抄録

Signal generation in magnetic particle imaging and magnetic particle spectroscopy is generally described via the Langevin function of superparamagnetism. To include the magnetization dynamics, the Langevin function is augmented with a frequency-dependent term derived from the linear Debye model. Here, we extend that expression to cover the dynamics of higher harmonics, where each harmonic is multiplied with a complex-valued weighting factor, obtaining a frequency-domain model for application in the context of viscosity-/binding-dependent magnetic particle spectroscopy measurements.

本文言語英語
ページ(範囲)5300404
ページ数1
ジャーナルIEEE Transactions on Magnetics
51
2
DOI
出版ステータス出版済み - 2 1 2015

All Science Journal Classification (ASJC) codes

  • 電子材料、光学材料、および磁性材料
  • 電子工学および電気工学

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