Bipolar resistive switching of Au/NiOx/Ni/Au heterostructure nanowires

S. Brivio, D. Perego, G. Tallarida, M. Bestetti, S. Franz, S. Spiga

Research output: Contribution to journalArticlepeer-review

10 Citations (Scopus)


Arrays of Au/NiOx/Ni/Au nanowires with a diameter of 50 nm were characterized by conductive atomic force microscopy, which was used to probe the electrical behavior of single nanowires still included in the array. A bipolar switching of the single Au/NiOx/Ni/Au nanowires is demonstrated and is attributed to the choice of an asymmetric couple of electrode materials and, possibly, to a non-uniform Ni oxidation profile inside the NiOx segments. An analysis of the conduction mechanism in a single nanowire is presented to further support this conclusion.

Original languageEnglish
Article number153506
JournalApplied Physics Letters
Issue number15
Publication statusPublished - 7 Oct 2013
Externally publishedYes

ASJC Scopus subject areas

  • Physics and Astronomy (miscellaneous)

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