Three-state resistive switching in HfO<inf>2</inf>-based RRAM

Xiaojuan Lian, Enrique Miranda, Shibing Long, Luca Perniola, Ming Liu, Jordi Suñé

Research output: Contribution to journalArticleResearchpeer-review

6 Citations (Scopus)

Abstract

We investigate the reset transition of HfO2-based RRAM structures with emphasis on revealing three-state resistive switching effects. We study nonpolar switching in Pt/HfO2/Pt and unipolar/bipolar switching in Pt/Ti/HfO2/Pt structures, respectively. However, three-state resistive switching is only confirmed in the former case by means of various reset methodologies. Using two-step reset experiments it is shown that the transition to the complete reset state occurs at higher voltages if the CF first drops to the intermediate state. © 2014 Elsevier Ltd. All rights reserv.
Original languageEnglish
Pages (from-to)38-44
JournalSolid-State Electronics
Volume98
DOIs
Publication statusPublished - 1 Jan 2014

Keywords

  • Non-voltatile memories
  • Quantum wire
  • Resistive switching
  • RRAM

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