High-performance double-layer nickel Nanocrystal memory by ion bombardment technique

Sheng Hsien Liu, Wen Luh Yang, Yu Hsien Lin, Chi Chang Wu, Tien Sheng Chao

Research output: Contribution to journalArticle

5 Citations (Scopus)

Abstract

A novel ion bombardment (IB) technique is presented to fabricate and embed double-layer (DL) Ni nanocrystal (NC) in silicon nitride for {\rm TaN}/{\rm Al}-{2}{\rm O}-{3}/{\rm Si}-{3}{\rm N}-{4}/{\rm SiO}-{2}/{\rm Si} nonvolatile memory applications. In contrast to other methods of forming DL metal NC, the IB technique is a relatively simple fabrication method and completely compatible with the current IC manufacturing technologies. Using the IB technique, a high-quality ultrathin interlayer between top and bottom layered NCs can be easily formed and controlled. Compared with the control sample, the IB-induced DL Ni NC memory exhibits superior performance in terms of faster program and erase (P/E) speeds, longer data retention, better endurance, negligible program disturbance, and great potential for a multilevel operation. In addition, the IB-induced DL Ni NC device also shows higher P/E efficiency as well as similar excellent reliability by comparison with other conventional DL metal NC memories due to the high-quality ultrathin interlayer.

Original languageEnglish
Article number6605590
Pages (from-to)3393-3399
Number of pages7
JournalIEEE Transactions on Electron Devices
Volume60
Issue number10
DOIs
Publication statusPublished - 2013

Fingerprint

Ion bombardment
Nickel
Nanocrystals
Data storage equipment
Metals
Silicon nitride
Durability
Fabrication

Keywords

  • Double-layer metal nanocrystal
  • ion bombardment (IB)
  • nickel
  • nonvolatile memory (NVM)

ASJC Scopus subject areas

  • Electrical and Electronic Engineering
  • Electronic, Optical and Magnetic Materials

Cite this

High-performance double-layer nickel Nanocrystal memory by ion bombardment technique. / Liu, Sheng Hsien; Yang, Wen Luh; Lin, Yu Hsien; Wu, Chi Chang; Chao, Tien Sheng.

In: IEEE Transactions on Electron Devices, Vol. 60, No. 10, 6605590, 2013, p. 3393-3399.

Research output: Contribution to journalArticle

Liu, Sheng Hsien ; Yang, Wen Luh ; Lin, Yu Hsien ; Wu, Chi Chang ; Chao, Tien Sheng. / High-performance double-layer nickel Nanocrystal memory by ion bombardment technique. In: IEEE Transactions on Electron Devices. 2013 ; Vol. 60, No. 10. pp. 3393-3399.
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