期刊
IEEE TRANSACTIONS ON ELECTRON DEVICES
卷 65, 期 3, 页码 957-962出版社
IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
DOI: 10.1109/TED.2017.2788460
关键词
Crossbar; Meyer-Neldel (MN) rule; reliability testing; resistive memory; retention failure; resistive random access memory (RRAM)
资金
- MOST of China [2016YFA0203800, 2016YFA0201803]
- CAS President's International Fellowship Initiative [2015PT013]
The understanding of failure behavior is one of the basic requirements for further development of nonvolatile resistive random access memory (RRAM) devices. In this paper, we show a detailed analysis of a temperature-dependent low-resistance state (LRS) retention failure behavior of RRAM based on TiOx/Al2O3 bilayer structure. The device is capable of showing good resistive switching properties with stable operating parameters. The LRS current conduction process ismostlydominatedby the FowlerNordheim tunneling. Retention behavior has been studied with a wide range of temperatures from room temperature to 200 degrees C with different compliances. The experimental results of TiOx/Al2O3 bilayer resistive switchingmemory are further supported theoretically by the Meyer-Neldel rule, which is fit well to the retention failure time.
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