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Design and analysis of Racetrack memory based on magnetic domain wall motion in nanowires

  • Université Paris-Saclay
  • CNRS

Research output: Chapter in Book/Report/Conference proceedingConference contributionpeer-review

Abstract

Current induced domain walls (DW) motion in magnetic nanowires or nano-stripes presents a novel approach to store and convey data. Combining with magnetic tunnel junction (MTJ) nanopillars, Racetrack memory (RM) becomes a new class of non-volatile memory thanks to its large storage capacity and fast data access. However, we need a relatively high current passing through the nanowire to move magnetic domain walls. This leads to a big challenge to design integration circuits and architecture for RM beyond the device level research. For instance, we find that the resistivity of nanowire material is a very critical parameter for the RM design. In this paper, we present the design of racetrack memory taking into account the physical prospects of magnetic domain wall motion in nanowires. By using an industrial CMOS 40 nm design kit and a perpendicular magnetic anisotropy (PMA) RM compact model, mixed SPICE simulations have been performed to analyze the area (e.g. 1 F2), speed and reliability performances.

Original languageEnglish
Title of host publicationProceedings of the 2014 IEEE/ACM International Symposium on Nanoscale Architectures, NANOARCH 2014
PublisherIEEE Computer Society
Pages71-76
Number of pages6
ISBN (Print)9781479963836
DOIs
StatePublished - 2014
Event2014 IEEE/ACM International Symposium on Nanoscale Architectures, NANOARCH 2014 - Paris, France
Duration: 8 Jul 201410 Jul 2014

Publication series

NameProceedings of the 2014 IEEE/ACM International Symposium on Nanoscale Architectures, NANOARCH 2014

Conference

Conference2014 IEEE/ACM International Symposium on Nanoscale Architectures, NANOARCH 2014
Country/TerritoryFrance
CityParis
Period8/07/1410/07/14

Keywords

  • Domain-Wall
  • Magnetic Nanowire
  • Magnetic Tunnel Junction
  • Racetrack memory
  • Spin-Transfer-Torque

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