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Analysis of Transient Currents During Ultrafast Switching of \hbox {TiO}_{2} Nanocrossbar Devices

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11 Author(s)
Hermes, C. ; Peter Grunberg Inst., Forschungszentrum Julich GmbH, Julich, Germany ; Wimmer, M. ; Menzel, S. ; Fleck, K.
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In this letter, bipolar fast-pulse switching in TiO2 -based nanocrossbar devices was investigated. A dedicated measurement setup was used to measure the transient currents during 5-ns resistive switching. Transient peak currents for the set and reset processes were as high as 200 and 230 μA, respectively. The currents observed during fast-pulse switching are explained and simulated by Joule heating, which is needed for fast oxygen-vacancy movement. The measured transient currents enable a further optimization of resistive switches based on TiO2.

Published in:

Electron Device Letters, IEEE  (Volume:32 ,  Issue: 8 )

Date of Publication:

Aug. 2011

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