首页|Relationships between negative differential resistances and resistance switching properties of SrFeO_(2+x) thin films with excess oxygen

Relationships between negative differential resistances and resistance switching properties of SrFeO_(2+x) thin films with excess oxygen

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Resistance random access memory (RRAM) is attractive as a next-generation form of nonvolatile memory. We investigated an electric field-induced resistance change of SrFeO_2+x film as a candidate for RRAM material. SrFeO_(2.5-x) film prepared at 300 ℃ showed hysteresis in its current-voltage curve and distinct pulse-switching properties. On the other hand, the sample prepared below 280 ℃ showed hysteresis in its current-voltage curve but didn't show pulse-switching properties. The amount of oxygen in the sample and easiness of oxygen migration play important roles in the resistance-switching properties.

electric memory deviceoxidatio-reductioninterface stateReRAM

Takeshi Yokota、Shinya Kito、Shotaro Murata、Yasutoshi Tsuboi、Manabu Gomi

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Graduate School of Engineering, Nagoya Institute of Technology, Gokiso-cho, Showa-ku, Nagoya 466-8555, Japan

2010

Key engineering materials

Key engineering materials

ISSN:1013-9826
年,卷(期):2010.445
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