TITLE

Identification of the controlling parameter for the set-state resistance of a TiO2 resistive switching cell

AUTHOR(S)
Seul Ji Song; Kyung Min Kim; Gun Hwan Kim; Min Hwan Lee; Jun Yeong Seok; Ranju Jung; Cheol Seong Hwang
PUB. DATE
March 2010
SOURCE
Applied Physics Letters;3/15/2010, Vol. 96 Issue 11, p112904
SOURCE TYPE
Academic Journal
DOC. TYPE
Article
ABSTRACT
This study examined the parameter controlling the set-state resistance (Rset) of a Pt/TiO2/Pt resistive switching (RS) cell in unipolar RS mode. Although the compliance current in the current-voltage sweep had some effect on the Rset, the uncontrolled flow of charge from the parametric analyzer prevented making an accurate estimation of the parameters. The current transient in pulse switching observed using a high-speed digital oscilloscope and physical modeling showed that the capacitive charge moves vigorously at the moment of on-switching, and Rset is governed by the level of migrating charge. The actual switching time was <50 ns.
ACCESSION #
48698093

 

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