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Micromagnetic simulation for nanobeads detection using planar Hall sensors

  • Zongzhi Zhang*
  • , Yaowen Liu
  • , Y. P. Yang
  • , Q. Y. Jin
  • *此作品的通讯作者

科研成果: 期刊稿件文章同行评审

摘要

A micromagnetic simulation for the detection of magnetic nanobeads by planar Hall sensors is presented. The calculated dipole field created by the polarized nanobeads shows the strong dependence on the distance from beads to the sense plane. In this simulation, nonuniform dipole field, random configuration of beads, and experimental parameters of device were used. Micromagnetic calculation shows the linear signal response to the bead number. This linear behavior is insensitive to the random distribution of beads, but is sensitive to the bead number, indicating the possible application to quantitative biomolecular recognition.

源语言英语
页(从-至)3625-3627
页数3
期刊IEEE Transactions on Magnetics
41
10
DOI
出版状态已出版 - 10月 2005
已对外发布

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