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나노입자 연구단
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A wearable multiplexed silicon nonvolatile memory array using nanocrystal charge confinement

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Title
A wearable multiplexed silicon nonvolatile memory array using nanocrystal charge confinement
Author(s)
Jaemin Kim; Donghee Son; Mincheol Lee; Changyeong Song; Jun-Kyul Song; Ja Hoon Koo; Dong Jun Lee; Hyung Joon Shim; Ji Hoon Kim; Minbaek Lee; Taeghwan Hyeon; Dae-Hyeong Kim
Publication Date
2016-01
Journal
SCIENCE ADVANCES, v.2, no.1, pp.e1501101 -
Publisher
AMER ASSOC ADVANCEMENT SCIENCE
Abstract
Strategies for efficient charge confinement in nanocrystal floating gates to realize high-performance memory devices have been investigated intensively. However, few studies have reported nanoscale experimental validations of charge confinement in closely packed uniform nanocrystals and related device performance characterization. Furthermore, the system-level integration of the resulting devices with wearable silicon electronics has not yet been realized. We introduce a wearable, fully multiplexed silicon nonvolatile memory array with nanocrystal floating gates. The nanocrystal monolayer is assembled over a large area using the Langmuir-Blodgett method. Efficient particle-level charge confinement is verified with the modified atomic force microscopy technique. Uniform nanocrystal charge traps evidently improve the memory window margin and retention performance. Furthermore, the multiplexing of memory devices in conjunction with the amplification of sensor signals based on ultrathin silicon nanomembrane circuits in stretchable layouts enables wearable healthcare applications such as long-term data storage of monitored heart rates. (c) The Authors
URI
https://pr.ibs.re.kr/handle/8788114/3316
ISSN
2375-2548
Appears in Collections:
Center for Nanoparticle Research(나노입자 연구단) > Journal Papers (저널논문)
Files in This Item:
sci급외 1 ScienceAdvanced(A Wearable Multiplexed).pdfDownload

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