TITLE

Unipolar resistive switching characteristics of room temperature grown SnO2 thin films

AUTHOR(S)
Nagashima, Kazuki; Yanagida, Takeshi; Oka, Keisuke; Kawai, Tomoji
PUB. DATE
June 2009
SOURCE
Applied Physics Letters;6/15/2009, Vol. 94 Issue 24, p242902
SOURCE TYPE
Academic Journal
DOC. TYPE
Article
ABSTRACT
The resistive switching characteristics of room temperature grown SnO2 films were investigated by fabricating the metal-oxide-metal sandwich structures. The unipolar operation was found in all devices. Experiments, including the size and material dependencies of the top electrodes and the three terminal device structures, demonstrated the rupture and formation of conducting filaments near the anode. The Ohmic behavior was observed in both on- and off-states when using Au and Ti top electrodes, whereas the Schottky behavior was only found in the off-state for Pt. The analysis on the transport properties indicates the presence of insulative crystalline SnO2 near the anode in the off-state.
ACCESSION #
42223735

 

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