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Noncontact Manipulation of Ni Nanowires Using a Rotating Magnetic Field

  • Li Zhang*
  • , Yang Lu
  • , Lixin Dong
  • , R. Pei
  • , Jun Lou*
  • , Bradley E. Kratochvil
  • , Bradley J. Nelson
  • *Corresponding author for this work

Research output: Chapters, Conference Papers, Creative and Literary WorksRGC 32 - Refereed conference paper (with host publication)peer-review

Abstract

Ni nanowires (NWs) are driven in water using a rotating magnetic field. The NWs show various locomotion performances under different boundary conditions. Pure rotation occurs when the two ends of the NWs are homogenously constrained. However, if the boundary conditions are different at the two ends of the NWs, tumbling motion, i.e., rotation plus translation, will be generated, which leads to the propulsion of NWs near a wall. These motions of NWs can be steered by the magnetic field. In addition, we present that the two NWs self-assemble to form a single NW with the magnetic field. The results imply that magnetic field is a promising approach for noncontact manipulation of Ni NWs or other 1-D ferromagnetic nanostructures at low Reynolds number aqueous environment in a controllable fashion. © 2009 IEEE NANO Organizers.
Original languageEnglish
Title of host publication2009 9th IEEE Conference on Nanotechnology, IEEE NANO 2009
PublisherIEEE
Pages487-490
ISBN (Electronic)978-981-08-3694-8
ISBN (Print)978-1-4244-4832-6
Publication statusPublished - Jul 2009
Externally publishedYes
Event9th IEEE Conference on Nanotechnology (IEEE NANO 2009) - Genoa, Italy
Duration: 26 Jul 200930 Jul 2009

Conference

Conference9th IEEE Conference on Nanotechnology (IEEE NANO 2009)
PlaceItaly
CityGenoa
Period26/07/0930/07/09

Research Keywords

  • Low reynolds number
  • Ni nanowire
  • Noncontact manipulation
  • Rotating magnetic field
  • Tumbling motion

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