S. Fujii, R. Ichihara, T. Konno, M. Yamaguchi, Harumi Seki, Hiroki Tanaka, Dandan Zhao, Y. Yoshimura, M. Saitoh, M. Koyama
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Ag Ionic Memory Cell Technology for Terabit-Scale High-DensityApplication
We demonstrated a cross-point memory array composed of 40nm Ag ionic memory cell with sub- μ A and selectorless operation and 10-year data retention, making it a promising candidate for terabit-scale high-density memory application. Discontinuous conductive path with large and dense Ag clusters enabled 10-year retention even at sub- μ A current with keeping high non-linearity in I-V. We implemented, for the first time, the improved cell into a 40nm cross-point array and demonstrated narrow read distribution which satisfies requirements for reliable array operation.
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