title: Ionic bipolar resistive switching modes determined by the preceding unipolar resistive switching reset behavior in Pt/TiO2/Pt.
abstract: Various types of bipolar resistive switching (BRS) at the filament ruptured region by the unipolar resistive switching (URS) reset in the structure Pt/TiO2/Pt were categorized in terms of operation polarity and switching parameters. The differences in BRS behavior, even under identical current-voltage switching, are closely related to the previously performed URS reset parameter, especially the power consumed during the reset process. Various modes of BRS from the URS reset status in the structure Pt/TiO2/Pt are reported, and interpreted in terms of a distinct oxygen vacancy configuration in the ruptured region of a Magnéli filament.
authors.affiliation: WCU Hybrid Materials Program, Department of Materials Science and Engineering and Inter-University Semiconductor Research Center, Seoul National University, Seoul 151-744, Korea.
authors.forename: Kyung Jean
authors.initials: KJ
authors.lastname: Yoon
authors.forename: Seul Ji
authors.initials: SJ
authors.lastname: Song
authors.forename: Jun Yeong
authors.initials: JY
authors.lastname: Seok
authors.forename: Jung Ho
authors.initials: JH
authors.lastname: Yoon
authors.forename: Gun Hwan
authors.initials: GH
authors.lastname: Kim
authors.forename: Jong Ho
authors.initials: JH
authors.lastname: Lee
authors.forename: Cheol Seong
authors.initials: CS
authors.lastname: Hwang