Title: Switching Characteristics of $\hbox{Ru/HfO}_{2} \hbox{/TiO}_{2-x}\hbox{/Ru}$ RRAM Devices for Digital and Analog Nonvolatile Memory Applications
Abstract:We report the switching characteristics of RRAM devices consisting of Ru/HfO <sub xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink">2</sub> /TiO <sub xmlns:mml=...We report the switching characteristics of RRAM devices consisting of Ru/HfO <sub xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink">2</sub> /TiO <sub xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink">2-x</sub> /Ru stacks with and without an external access device. In addition to bistable switching, we also achieved an analog reconfiguration of resistance by controlling the compliance current or the reset voltage to achieve a low-resistance state (LRS) or a high-resistance state (HRS), respectively. All intermediate states were nonvolatile in nature. The transport studies using temperature-dependent <i xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink">I</i> - <i xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink">V</i> measurement indicated the mechanism of conduction to be ionic in LRS and Frenkel-Poole in both HRS and virgin resistance state of a device.Read More
Publication Year: 2012
Publication Date: 2012-03-19
Language: en
Type: article
Indexed In: ['crossref']
Access and Citation
Cited By Count: 57
AI Researcher Chatbot
Get quick answers to your questions about the article from our AI researcher chatbot