Optimal device integrity was achieved in Ni/SiGeO/TiO/TaN resistive memory by using a forming-free switch with a low switching power of 790 W, stable endurance of 104 cycles, optimal retention time of 105 s, resistance window of at least 1150×, and tight current distributions at 85 °C. These characteristics are attributed to the low current switching obtained using SiGeO with a high oxygen vacancy density and highly defective TiO grain boundaries.
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http://dx.doi.org/10.1166/jnn.2019.16781 | DOI Listing |
J Nanosci Nanotechnol
December 2019
Department of Materials & Mineral Resources Engineering, National Taipei University of Technology, Taipei 10608, Taiwan.
Optimal device integrity was achieved in Ni/SiGeO/TiO/TaN resistive memory by using a forming-free switch with a low switching power of 790 W, stable endurance of 104 cycles, optimal retention time of 105 s, resistance window of at least 1150×, and tight current distributions at 85 °C. These characteristics are attributed to the low current switching obtained using SiGeO with a high oxygen vacancy density and highly defective TiO grain boundaries.
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