Journal
JOURNAL OF THE ELECTROCHEMICAL SOCIETY
Volume 159, Issue 3, Pages G29-G32Publisher
ELECTROCHEMICAL SOC INC
DOI: 10.1149/2.092203jes
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Funding
- National Science Council (NSC) [99-2120-M-007-011, 98-2112-M-007-025-MY3]
- Industrial Technology Research Institute of Taiwan
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This study investigates the resistive switching behavior of Pt, Al, and Cr electrodes for ZnO-based resistance random access memory. Results show that the existence of oxygen ions in the electrode plays an important role in the resistive switching behavior during filament reduction and oxidization. The Cr/ZnO/Pt structure exhibited a significant improvement in resistive switching parameters such as operation voltages and resistance states. This is most likely due to the partial formation of oxidation layers, namely CrOx at the Cr/ZnO interface. These layers act as oxygen reservoir or oxygen supplier, and improve the efficiency of oxygen ion exchange near the electrode/oxide interface. (C) 2012 The Electrochemical Society. [DOI: 10.1149/2.092203jes] All rights reserved.
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