Two-step forming process in planar-type Cu2O-based resistive switching devices

Kazunori Suzuki, Norihide Igarashi, Kentaro Kyuno

Research output: Contribution to journalArticle

3 Citations (Scopus)

Abstract

The forming process in planar-type Cu2O-based resistive switching devices is investigated. It is found that two forming processes occur in series, and the existence of a Cu filament is directly confirmed using transmission electron microscopy after each forming process. The time evolution of the surface is observed by an optical microscope during these processes. The first process accompanies the oxidation of the Cu2O surface, and the filament is created ∼15 μm below the surface; the second process involves melting of the region between the electrodes with the creation of a new filament ∼1 μm below the surface.

Original languageEnglish
JournalApplied Physics Express
Volume4
Issue number5
DOIs
Publication statusPublished - 2011 May

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filaments
optical microscopes
Melting
Microscopes
melting
Transmission electron microscopy
Oxidation
transmission electron microscopy
oxidation
Electrodes
electrodes

ASJC Scopus subject areas

  • Engineering(all)
  • Physics and Astronomy(all)

Cite this

Two-step forming process in planar-type Cu2O-based resistive switching devices. / Suzuki, Kazunori; Igarashi, Norihide; Kyuno, Kentaro.

In: Applied Physics Express, Vol. 4, No. 5, 05.2011.

Research output: Contribution to journalArticle

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