期刊
APPLIED PHYSICS LETTERS
卷 118, 期 3, 页码 -出版社
AMER INST PHYSICS
DOI: 10.1063/5.0035321
关键词
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资金
- National Natural Science Foundation of China [61774071]
- Science and Technology Development Planning of Jilin Province [20190101024JH]
- Natural Science Foundation of Jilin province in China [20200201293JC]
Fe-OFET-NVMs offer attractive features for future memory applications, and high-performance top-gate Fe-OFET-NVMs can be achieved by employing a polymer semiconductor channel and self-organized ferroelectric/dielectric gate insulators. The optimized Fe-OFET-NVM exhibits a high mobility, reliable endurance, stable retention capability, and reduced operating voltage, comparable to or better than previous Fe-OFET-NVMs.
Ferroelectric organic field-effect transistor nonvolatile memories (Fe-OFET-NVMs) offer attractive features for future memory applications, such as flexible and wearable electronics. Polymer semiconductor-based top-gate Fe-OFET-NVMs possess natural advantages in the device structure and processing manufacturing, compared to small-molecule semiconductor-based bottom-gate Fe-OFET-NVMs. However, their performances, such as mobility and operating voltages, should be further improved to be comparable to those of the latter. In this Letter, we develop a route to achieve high-performance top-gate Fe-OFET-NVMs, by employing a polymer semiconductor channel and self-organized ferroelectric/dielectric gate insulators, which were processed by a solution spin-coating technique. The optimal Fe-OFET-NVM exhibits a high mobility of 1.96cm(2)/Vs on average, a reliable endurance over 400 cycles, a stable retention capability over 6x10(4) s, and a life more than one year. Furthermore, the operating voltage of the Fe-OFET-NVM is reduced to +/- 20V by scaling down the thickness of the ferroelectric/dielectric gate insulator. The whole performances of our memories are comparable to or better than those of the previous Fe-OFET-NVMs.
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