Characteristics of multilevel bipolar resistive switching in Au/ZnO/ITO devices on glass

Yong Han, Kyoungah Cho, Sangsig Kim

Research output: Contribution to journalArticlepeer-review

30 Citations (Scopus)


In this study, we characterize multilevel bipolar switching in devices composed of Au/ZnO/ITO constructed on glass. The ratio of the measured resistance in the low-resistance state (LRS) to that in the high-resistance state (HRS) depends on the starting sweep voltage. The HRS/LRS ratio increases from 10 to 104 as the starting sweep voltage changes from -1 to -3.5 V. Moreover, the Au/ZnO/ITO devices can complete more than 102 cycles and maintain their characteristics for up to 10 years. A more detailed description on the multilevel bipolar switching of our devices will be given in this paper.

Original languageEnglish
Pages (from-to)2608-2610
Number of pages3
JournalMicroelectronic Engineering
Issue number8
Publication statusPublished - 2011 Aug


  • Multilevel
  • ReRAM
  • Resistive switching
  • ZnO

ASJC Scopus subject areas

  • Electronic, Optical and Magnetic Materials
  • Atomic and Molecular Physics, and Optics
  • Condensed Matter Physics
  • Surfaces, Coatings and Films
  • Electrical and Electronic Engineering


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