Micro-Hall position sensing of magnetic nanowires

G. Mihajlović, A. Hoffmann, S. Von Molnár

Research output: Contribution to journalArticlepeer-review

Abstract

The Hall voltage output of a micro-Hall magnetic sensor depends on the relative position of a magnetic nanowire with respect to its sensing area. Following this idea, we performed analytical calculations which show that, under certain conditions, these devices can track the position of a magnetic nanowire with subnanometer resolution. Our results suggest that micro-Hall sensors can be utilized to provide a direct electronic readout of the position of magnetic nanowires in their applications as biomolecular manipulators or dynamic components in micro- and nanoscale devices.

Original languageEnglish (US)
Article number074518
JournalJournal of Applied Physics
Volume106
Issue number7
DOIs
StatePublished - 2009
Externally publishedYes

ASJC Scopus subject areas

  • General Physics and Astronomy

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