Differential conductance anomaly in ferromagnetic Ni nanocontacts

Koji Sekiguchi, Masayoshi Shimizu, Eiji Saitoh, Hideki Miyajima

Research output: Contribution to journalConference articlepeer-review

10 Citations (Scopus)


The current-voltage characteristics of ferromagnetic Ni and diamagnetic Cu nanocontacts was investigated by using break-junction technique. The I-V curve of Ni nanocontacts exhibits a non-linear behavior, and it is due to the spin polarization. In contrast, the current flowing Cu nanocontact is proportional to bias voltage up to 600 mV.

Original languageEnglish
Pages (from-to)143-146
Number of pages4
JournalJournal of Magnetism and Magnetic Materials
Issue number1-3
Publication statusPublished - 2004 Nov
Externally publishedYes
EventInternational Symposium on Advanced Magnetic Technologies - Taipei, Taiwan, Province of China
Duration: 2003 Nov 132003 Nov 16


  • Conductance quantization
  • Ferromagnetic materials
  • Nanowire
  • Point contact

ASJC Scopus subject areas

  • Electronic, Optical and Magnetic Materials
  • Condensed Matter Physics


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