Comparative Study of Charge Trapping Type SOI-FinFET Flash Memories with Different Blocking Layer Materials

The scaled charge trapping (CT) type silicon on insulator (SOI) FinFET flash memories with different blocking layer materials of Al2O3 and SiO2 have successfully been fabricated, and their electrical characteristics including short-channel effect (SCE) immunity, threshold voltage (Vt) variability, a...

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Main Authors: Yongxun Liu, Toshihide Nabatame, Takashi Matsukawa, Kazuhiko Endo, Shinichi O'uchi, Junichi Tsukada, Hiromi Yamauchi, Yuki Ishikawa, Wataru Mizubayashi, Yukinori Morita, Shinji Migita, Hiroyuki Ota, Toyohiro Chikyow, Meishoku Masahara
Format: Article
Language:English
Published: MDPI AG 2014-06-01
Series:Journal of Low Power Electronics and Applications
Subjects:
Online Access:http://www.mdpi.com/2079-9268/4/2/153
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spelling doaj-3e635bb4b22f44f3b06ee54bc2dd12562020-11-25T00:55:21ZengMDPI AGJournal of Low Power Electronics and Applications2079-92682014-06-014215316710.3390/jlpea4020153jlpea4020153Comparative Study of Charge Trapping Type SOI-FinFET Flash Memories with Different Blocking Layer MaterialsYongxun Liu0Toshihide Nabatame1Takashi Matsukawa2Kazuhiko Endo3Shinichi O'uchi4Junichi Tsukada5Hiromi Yamauchi6Yuki Ishikawa7Wataru Mizubayashi8Yukinori Morita9Shinji Migita10Hiroyuki Ota11Toyohiro Chikyow12Meishoku Masahara13National Institute of Advanced Industrial Science and Technology (AIST), 1-1-1 Umezono, Tsukuba, Ibaraki 305-8568, JapanNational Institute for Materials Science (NIMS), 1-1 Namiki, Tsukuba, Ibaraki 305-0044, JapanNational Institute of Advanced Industrial Science and Technology (AIST), 1-1-1 Umezono, Tsukuba, Ibaraki 305-8568, JapanNational Institute of Advanced Industrial Science and Technology (AIST), 1-1-1 Umezono, Tsukuba, Ibaraki 305-8568, JapanNational Institute of Advanced Industrial Science and Technology (AIST), 1-1-1 Umezono, Tsukuba, Ibaraki 305-8568, JapanNational Institute of Advanced Industrial Science and Technology (AIST), 1-1-1 Umezono, Tsukuba, Ibaraki 305-8568, JapanNational Institute of Advanced Industrial Science and Technology (AIST), 1-1-1 Umezono, Tsukuba, Ibaraki 305-8568, JapanNational Institute of Advanced Industrial Science and Technology (AIST), 1-1-1 Umezono, Tsukuba, Ibaraki 305-8568, JapanNational Institute of Advanced Industrial Science and Technology (AIST), 1-1-1 Umezono, Tsukuba, Ibaraki 305-8568, JapanNational Institute of Advanced Industrial Science and Technology (AIST), 1-1-1 Umezono, Tsukuba, Ibaraki 305-8568, JapanNational Institute of Advanced Industrial Science and Technology (AIST), 1-1-1 Umezono, Tsukuba, Ibaraki 305-8568, JapanNational Institute of Advanced Industrial Science and Technology (AIST), 1-1-1 Umezono, Tsukuba, Ibaraki 305-8568, JapanNational Institute for Materials Science (NIMS), 1-1 Namiki, Tsukuba, Ibaraki 305-0044, JapanNational Institute of Advanced Industrial Science and Technology (AIST), 1-1-1 Umezono, Tsukuba, Ibaraki 305-8568, JapanThe scaled charge trapping (CT) type silicon on insulator (SOI) FinFET flash memories with different blocking layer materials of Al2O3 and SiO2 have successfully been fabricated, and their electrical characteristics including short-channel effect (SCE) immunity, threshold voltage (Vt) variability, and the memory characteristics have been comparatively investigated. It was experimentally found that the better SCE immunity and a larger memory window are obtained by introducing a high-k Al2O3 blocking layer instead of a SiO2 blocking layer. It was also confirmed that the variability of Vt before and after one program/erase (P/E) cycle is almost independent of the blocking layer materials.http://www.mdpi.com/2079-9268/4/2/153charge trapping (CT)flash memorysilicon on insulator (SOI)FinFETblocking layerhigh-k metal gatevariability
collection DOAJ
language English
format Article
sources DOAJ
author Yongxun Liu
Toshihide Nabatame
Takashi Matsukawa
Kazuhiko Endo
Shinichi O'uchi
Junichi Tsukada
Hiromi Yamauchi
Yuki Ishikawa
Wataru Mizubayashi
Yukinori Morita
Shinji Migita
Hiroyuki Ota
Toyohiro Chikyow
Meishoku Masahara
spellingShingle Yongxun Liu
Toshihide Nabatame
Takashi Matsukawa
Kazuhiko Endo
Shinichi O'uchi
Junichi Tsukada
Hiromi Yamauchi
Yuki Ishikawa
Wataru Mizubayashi
Yukinori Morita
Shinji Migita
Hiroyuki Ota
Toyohiro Chikyow
Meishoku Masahara
Comparative Study of Charge Trapping Type SOI-FinFET Flash Memories with Different Blocking Layer Materials
Journal of Low Power Electronics and Applications
charge trapping (CT)
flash memory
silicon on insulator (SOI)
FinFET
blocking layer
high-k metal gate
variability
author_facet Yongxun Liu
Toshihide Nabatame
Takashi Matsukawa
Kazuhiko Endo
Shinichi O'uchi
Junichi Tsukada
Hiromi Yamauchi
Yuki Ishikawa
Wataru Mizubayashi
Yukinori Morita
Shinji Migita
Hiroyuki Ota
Toyohiro Chikyow
Meishoku Masahara
author_sort Yongxun Liu
title Comparative Study of Charge Trapping Type SOI-FinFET Flash Memories with Different Blocking Layer Materials
title_short Comparative Study of Charge Trapping Type SOI-FinFET Flash Memories with Different Blocking Layer Materials
title_full Comparative Study of Charge Trapping Type SOI-FinFET Flash Memories with Different Blocking Layer Materials
title_fullStr Comparative Study of Charge Trapping Type SOI-FinFET Flash Memories with Different Blocking Layer Materials
title_full_unstemmed Comparative Study of Charge Trapping Type SOI-FinFET Flash Memories with Different Blocking Layer Materials
title_sort comparative study of charge trapping type soi-finfet flash memories with different blocking layer materials
publisher MDPI AG
series Journal of Low Power Electronics and Applications
issn 2079-9268
publishDate 2014-06-01
description The scaled charge trapping (CT) type silicon on insulator (SOI) FinFET flash memories with different blocking layer materials of Al2O3 and SiO2 have successfully been fabricated, and their electrical characteristics including short-channel effect (SCE) immunity, threshold voltage (Vt) variability, and the memory characteristics have been comparatively investigated. It was experimentally found that the better SCE immunity and a larger memory window are obtained by introducing a high-k Al2O3 blocking layer instead of a SiO2 blocking layer. It was also confirmed that the variability of Vt before and after one program/erase (P/E) cycle is almost independent of the blocking layer materials.
topic charge trapping (CT)
flash memory
silicon on insulator (SOI)
FinFET
blocking layer
high-k metal gate
variability
url http://www.mdpi.com/2079-9268/4/2/153
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