Paper Title:
Crystal Growth Suppression by N-Doping into Chalcogenide for Application to Next-Generation Phase Change Memory
  Abstract

In this work, we investigate the effect of the N-doping on microstructure and electrical properties of chalcogenide Ge2Sb2Te5 (GST) films for application to multilevel-storage phase change memory (PCM). Crystal size can be markedly reduced from 16 nm to 5 nm by N-doping into GST. The crystal growth suppression is believed to be controlled by distributed fine nitride particles. The resistivity of N-GST as a function of annealing temperature exhibits a gradual change due to the crystal growth suppression. The characteristics imply that N-GST is suitable for application to multilevel-storage PCM as the next-generation nonvolatile memory.

  Info
Periodical
Chapter
Chapter 3: Nano-Science and Technology
Edited by
Osamu Hanaizumi, Masafumi Unno and Kenta Miura
Pages
101-105
DOI
10.4028/www.scientific.net/KEM.497.101
Citation
Y. Yin, S. Hosaka, "Crystal Growth Suppression by N-Doping into Chalcogenide for Application to Next-Generation Phase Change Memory", Key Engineering Materials, Vol. 497, pp. 101-105, 2012
Online since
December 2011
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$32.00
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