期刊
JOURNAL OF MATERIALS CHEMISTRY C
卷 7, 期 33, 页码 10203-10210出版社
ROYAL SOC CHEMISTRY
DOI: 10.1039/c9tc02841b
关键词
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资金
- National Natural Science Foundation of China [61601305, 61604097]
- Guangdong Province Special Support Plan for High-Level Talents [2017TQ04X082]
- Guangdong Provincial Department of Science and Technology [2018B030306028]
- Science and Technology Innovation Commission of Shenzhen [JCYJ20180507182042530, JCYJ20180507182000722, JCYJ20170818143618288, JCYJ20 180305125314948]
- Shenzhen Peacock Technological Innovation Project [KQJSCX20170727100433270, KQJSC X20170327150812967]
- NTUT-SZU Joint Research Program [2019006]
- Natural Science Foundation of SZU
Resistive random-access memory (RRAM) is the most promising research direction of the next generation non-volatile memory (NVM) devices, and seeking novel materials as the active layer can facilitate RRAM device development. Two-dimensional graphitic carbon nitride (g-C3N4) nanosheets with a mass of carrier trapping sites are employed as the active layer of RRAM devices. Solution processed memory devices show good stability and reliability, and the fabricated g-C3N4-based RRAM devices show a non-volatile behavior and a bipolar switching characteristic with an ON/OFF ratio of 10(3), a low operation voltage and good retention capability. In addition, by means of controlling the compliance current precisely, multilevel data storage can be realized. The mechanism of the RRAM devices is thought to be carrier trapping assisted hopping, which is verified by atomic force microscopy in the electrical mode. This work demonstrates that g-C3N4 nanosheet based RRAM devices provide a novel direction for low energy and high density data storage devices.
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