Nonvolatile memory properties in ZnO-based thin-film transistors with polymer ferroelectric and thin buffer layer

C. H. Park, K. H. Lee, B. H. Lee, Myung M. Sung, Seongil Im

Research output: Chapter in Book/Report/Conference proceedingConference contribution

2 Citations (Scopus)

Abstract

We report the fabrication of ZnO non-volatile memory thin-film transistors (NVM-TFTs) with thin poly(vinylidene fluoride/trifluoroethylene)[P(VDF-TrFE)] ferroelectric layer and thin Al2O3 buffer layers. When our memory TFT has a thin Al2O3 layer inserted between P(VDF-TrFE) and ZnO channel: 5 nm, 10 nm and 20 nm. Our NVM-TFT operates on glass substrates under low voltage write-erase (WR-ER) pulse of ±20 V with high field effect mobilities of 0.6-1 cm2/Vs. The device with the Al2O3 layer shows much longer retention properties over 104 s than the other without buffer. Depending on the thickness of buffer, our NVMTFT displays maximum memory window of ∼20 V and also exhibits WR-ER current ratio of 4×102.

Original languageEnglish
Title of host publicationINEC 2010 - 2010 3rd International Nanoelectronics Conference, Proceedings
Pages1185-1186
Number of pages2
DOIs
Publication statusPublished - 2010
Event2010 3rd International Nanoelectronics Conference, INEC 2010 - Hongkong, China
Duration: 2010 Jan 32010 Jan 8

Publication series

NameINEC 2010 - 2010 3rd International Nanoelectronics Conference, Proceedings

Other

Other2010 3rd International Nanoelectronics Conference, INEC 2010
Country/TerritoryChina
CityHongkong
Period10/1/310/1/8

All Science Journal Classification (ASJC) codes

  • Electrical and Electronic Engineering

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