Articles you may be interested inResistance switching behaviors of amorphous (ZrTiNi)Ox films for nonvolatile memory devices J. Vac. Sci. Technol. A 32, 061505 (2014); 10.1116/1.4896329 Effect of embedded metal nanocrystals on the resistive switching characteristics in NiN-based resistive random access memory cells J. Appl. Phys. 115, 094305 (2014); 10.1063/1.4867639Effect of Hf incorporation in solution-processed NiOx based resistive random access memory Appl. Phys. Lett.

We have fabricated and investigated the bipolar resistive switching characteristics of Pt/rutile-TiO2∕TiN devices for resistance memory applications. Data writing for five-level resistance states has been demonstrated by varying the amplitude of 5ns voltage pulses. In addition, data retention of more than 256h at 85°C and an excellent endurance of over 2×106cycles have been confirmed. These results indicate that Pt∕TiO2∕TiN devices have a potential for nonvolatile multiple-valued memory devices.

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