Excellent uniformity and reproducible resistance switching characteristics of doped binary metal oxides for non-volatile resistance memory applications

Dongsoo Lee, Dong Jun Seong, Hye Jung Choi, Inhwa Jo, R. Dong, W. Xiang, Seokjoon Oh, Myeongbum Pyun, Sun Ok Seo, Seongho Heo, Minseok Jo, Dae Kyu Hwang, H. K. Park, M. Chang, M. Hasan, Hyunsang Hwang

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

55 Scopus citations

Abstract

We have investigated various doped metal oxides such as copper doped molybdenum oxide, copper doped AI2.O3, copper doped ZrO2, aluminium doped ZnO, and CuxO for novel resistance memory applications. Compared with non-stoichiometric oxides (Nb 2O5-x, ZrOx, SrTiOx), doped metal oxides show higher device yield. Moreover, Cu: MoOx have demonstrated excellent memory characteristics such as reliability under programming cycles, potential multi-bit operation, good data retention, highly scalable property, and fast switching speed. The switching mechanism of the copper doped molybdenum oxide can be explained by the generation and rupture of multi-filaments under the electrical stress.

Original languageEnglish
Title of host publication2006 International Electron Devices Meeting Technical Digest, IEDM
DOIs
StatePublished - 2006
Event2006 International Electron Devices Meeting, IEDM - San Francisco, CA, United States
Duration: 10 Dec 200613 Dec 2006

Publication series

NameTechnical Digest - International Electron Devices Meeting, IEDM
ISSN (Print)0163-1918

Conference

Conference2006 International Electron Devices Meeting, IEDM
Country/TerritoryUnited States
CitySan Francisco, CA
Period10/12/0613/12/06

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