Multilevel data storage memory using deterministic polarization control

  • Daesu Lee
  • , Sang Mo Yang
  • , Tae Heon Kim
  • , Byung Chul Jeon
  • , Yong Su Kim
  • , Jong Gul Yoon
  • , Ho Nyung Lee
  • , Seung Hyup Baek
  • , Chang Beom Eom
  • , Tae Won Noh

    Research output: Contribution to journalArticlepeer-review

    146 Scopus citations

    Abstract

    Multilevel non-volatile memory for high-density date storage is achieved by using the deterministic control of ferroelectric polarization. In a real ferroelectric thin-film system, eight stable and reproducible polarization states are realized (i.e., 3-bit data storage) by adjusting the displacement current. This approach can be used to triple or quadruple the memory density, even at existing feature scales.

    Original languageEnglish
    Pages (from-to)402-406
    Number of pages5
    JournalAdvanced Materials
    Volume24
    Issue number3
    DOIs
    StatePublished - Jan 17 2012

    Keywords

    • ferroelectric random access memory
    • ferroelectrics
    • multilevel systems
    • non-volatile memory

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