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Lanthanide-based graded barrier structure for enhanced nanocrystal memory properties

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Lanthanide-based graded barrier structure for enhanced nanocrystal memory properties

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dc.contributor.author Chan, Mei Yin
dc.contributor.author Chan, T. K.
dc.contributor.author Osipowicz, T.
dc.contributor.author Chan, L.
dc.contributor.author Lee, Pooi See
dc.date.accessioned 2012-05-16T04:17:36Z
dc.date.available 2012-05-16T04:17:36Z
dc.date.copyright 2009
dc.date.issued 2012-05-16
dc.identifier.citation Chan, M. Y., Chan, T. K., Osipowicz, T., Chan, L., & Lee, P. S. (2009). Lanthanide-based graded barrier structure for enhanced nanocrystal memory properties. Applied physics letters, 95(11).
dc.identifier.uri http://hdl.handle.net/10220/8007
dc.description.abstract A memory structure comprising Ge nanocrystals and lanthanide-based charge trapping dielectric stack was fabricated to realize a self-aligned graded barrier structure. By exploiting efficient charge trapping of the nanocrystals embedded in the heterogeneous high-k dielectric, strong memory effect was manifested by a large counterclockwise capacitance-voltage hysteresis of 2.7 V under a low voltage operation of ±4 V. The high-k barrier with graded composition provides a favorable confinement barrier for improved hole retention with simultaneous enlargement of the memory window.
dc.format.extent 3 p.
dc.language.iso en
dc.relation.ispartofseries Applied physics letters
dc.rights © 2009 American Institute of Physics. This paper was published in Applied Physics Letters and is made available as an electronic reprint (preprint) with permission of American Institute of Physics. The paper can be found at the following official URL: http://dx.doi.org/10.1063/1.3224188. One print or electronic copy may be made for personal use only. Systematic or multiple reproduction, distribution to multiple locations via electronic or other means, duplication of any material in this paper for a fee or for commercial purposes, or modification of the content of the paper is prohibited and is subject to penalties under law.
dc.subject DRNTU::Engineering::Materials
dc.title Lanthanide-based graded barrier structure for enhanced nanocrystal memory properties
dc.type Journal Article
dc.contributor.school School of Materials Science and Engineering
dc.identifier.doi http://dx.doi.org/10.1063/1.3224188
dc.description.version Published version

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