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In summary, a novel RRAM with the structure of Cu/SixOyNz/W was first fabricated and its characteristics are thoroughly investigated. The new device exhibited low switching voltages and low reset currents, demonstrating its potential for low-power applications. Repeatable unipolar resistive switching characteristics in terms of high off/on resistance ratio and good retention capability were observed...
This paper has reported a programmable switch composed of copper-doped-SiO2 sandwiched between Cu top electrode and inert W bottom electrode. Reproducible rectifying-like I-V performance was found in the device with top electrode (TE), while with regard to the cell without TE, no rectifying-like I-V characterization was observed. This rectifying-like I-V curve is properly caused by electrode contact...
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