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Lee, Jongwon
Nanostructured Photonic Devices Lab (NPDL)
Research Interests
  • Plasmonics, metasurfaces, metamaterials, surface-enhanced infrared absorption spectroscopy, orbital angular momentum generation

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Geometric Effects of Nanocrystals in Nonvolatile Memory Using Block Copolymer Nanotemplate

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Title
Geometric Effects of Nanocrystals in Nonvolatile Memory Using Block Copolymer Nanotemplate
Author
Lee, JongwonRyu, Seong-WanShin, Dong OkKim, Bong HoonKim, Sang OukChoi, Yang-Kyu
Keywords
ELECTRON; Nonvolatile memories (NVM); Nanocrystal (NC); Geometric effect; Block copolymer (BCP) nanotemplate; Modeling; Capacitive-coupling ratio
Issue Date
2009-06
Publisher
PERGAMON-ELSEVIER SCIENCE LTD
Citation
SOLID-STATE ELECTRONICS, v.53, no.6, pp.640 - 643
Abstract
This study describes geometric characteristics of a nonvolatile memory (NVM) device with a designed chromium (Cr) nanocrystal (NC) floating gate. By using a block copolymer (BCP) nanotemplate as a mask layer, cone-shaped NCs and disc-shaped NCs were formed. It Was found that the NVM device using the cone-shaped NC had a better program efficiency than that of the device using the disc-shaped one. This trend was verified by a theoretical model, which considered an effect of the capacitive-coupling ratio between a control gate and a NC floating gate. (C) 2009 Elsevier Ltd. All rights reserved.
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DOI
10.1016/j.sse.2009.03.007
ISSN
0038-1101
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