Microstructural effects on the magnetic and magneto-transport properties of electrodeposited Ni nanowire arrays

Shu Fang Chen, Hao Han Wei, Chuan-Pu Liu, C. Y. Hsu, Jung-Chun Huang

Research output: Contribution to journalArticle

15 Citations (Scopus)

Abstract

The magnetic and magneto-transport properties of Ni nanowire (NW) arrays, fabricated by electrodeposition in anodic-aluminum-oxide (AAO) templates, have been investigated. The AAO pores have diameters ranging from 35 to 75 nm, and the crystallinity of the Ni NW arrays could change from poly-crystalline to single-crystalline with the [111] and [110] orientations based on the electrodeposition potential. Notably, double switching magnetization loops and double-peaked magnetoresistance curves were observed in [110]-oriented NWs. The crystalline orientation of the Ni NW arrays is found to influence the corresponding magnetic and magneto-transport properties significantly. These magnetic behaviors are dominated by the competition between the magneto-crystalline and shape anisotropy.

Original languageEnglish
Article number425602
JournalNanotechnology
Volume21
Issue number42
DOIs
Publication statusPublished - 2010 Oct 22

Fingerprint

Transport properties
Nanowires
Crystalline materials
Aluminum Oxide
Electrodeposition
Crystal orientation
Aluminum
Oxides
Magnetoresistance
Magnetization
Anisotropy

All Science Journal Classification (ASJC) codes

  • Bioengineering
  • Chemistry(all)
  • Materials Science(all)
  • Mechanics of Materials
  • Mechanical Engineering
  • Electrical and Electronic Engineering

Cite this

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abstract = "The magnetic and magneto-transport properties of Ni nanowire (NW) arrays, fabricated by electrodeposition in anodic-aluminum-oxide (AAO) templates, have been investigated. The AAO pores have diameters ranging from 35 to 75 nm, and the crystallinity of the Ni NW arrays could change from poly-crystalline to single-crystalline with the [111] and [110] orientations based on the electrodeposition potential. Notably, double switching magnetization loops and double-peaked magnetoresistance curves were observed in [110]-oriented NWs. The crystalline orientation of the Ni NW arrays is found to influence the corresponding magnetic and magneto-transport properties significantly. These magnetic behaviors are dominated by the competition between the magneto-crystalline and shape anisotropy.",
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Microstructural effects on the magnetic and magneto-transport properties of electrodeposited Ni nanowire arrays. / Chen, Shu Fang; Wei, Hao Han; Liu, Chuan-Pu; Hsu, C. Y.; Huang, Jung-Chun.

In: Nanotechnology, Vol. 21, No. 42, 425602, 22.10.2010.

Research output: Contribution to journalArticle

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