Characterization of the mechanical properties and sensing behavior of iron-gallium nanowire arrays

Patrick R. Downey, Alison B. Flatau, Patrick D. McGary, Bethanie J Stadler

Research output: Contribution to journalConference article

4 Citations (Scopus)

Abstract

This study experimentally investigates the capabilities of iron-gallium nanowire arrays as artificial cilia transducers. The experiments are conducted with a custom manipulator device incorporated into the stage of a scanning electron microscope (SEM) for observation. Individual nanowires of varying size and composition are mechanically tested statically and dynamically to determine the elastic properties and failure modes. Magnetic force microscopy (MFM) is used to observe the effect of stress on the magnetic domain structure of these nanowires. Entire arrays of close packed wires are mounted onto giant magnetoresistance (GMR) sensors to measure the coupled magnetic induction response resulting from bending the array. This data is compared with expected results from theory.

Original languageEnglish (US)
Article number69320P
JournalProceedings of SPIE - The International Society for Optical Engineering
Volume6932
DOIs
StatePublished - Jun 2 2008
EventSensors and Smart Structures Technologies for Civil, Mechanical, and Aerospace Systems 2008 - San Diego, CA, United States
Duration: Mar 10 2008Mar 13 2008

Fingerprint

Gallium
Nanowires
Iron
Mechanical Properties
gallium
nanowires
Sensing
mechanical properties
iron
Mechanical properties
Magnetic force microscopy
Giant magnetoresistance
Magnetoresistance
Magnetic Force
Magnetic domains
Electromagnetic induction
magnetic force microscopy
magnetic induction
failure modes
Scanning Electron Microscope

Keywords

  • Galfenol
  • Iron-gallium
  • MFM
  • Mechanical properties
  • Nanowire

Cite this

Characterization of the mechanical properties and sensing behavior of iron-gallium nanowire arrays. / Downey, Patrick R.; Flatau, Alison B.; McGary, Patrick D.; Stadler, Bethanie J.

In: Proceedings of SPIE - The International Society for Optical Engineering, Vol. 6932, 69320P, 02.06.2008.

Research output: Contribution to journalConference article

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