Lu2O3/Al2O3 gate dielectrics for germanium metal-oxide-semiconductor devices

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Lu2O3/Al2O3 gate dielectrics for germanium metal-oxide-semiconductor devices

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dc.contributor.author Darmawan, P.
dc.contributor.author Chan, Mei Yin
dc.contributor.author Zhang, T.
dc.contributor.author Setiawan, Y.
dc.contributor.author Seng, H. L.
dc.contributor.author Chan, T. K.
dc.contributor.author Osipowicz, T.
dc.contributor.author Lee, Pooi See
dc.date.accessioned 2012-05-16T08:20:46Z
dc.date.available 2012-05-16T08:20:46Z
dc.date.copyright 2008
dc.date.issued 2012-05-16
dc.identifier.citation Darmawan, P., Chan, M. Y., Zhang, T., Setiawan, Y., Seng, H. L., Chan, T. K., et al. (2008). Lu2O3/Al2O3 gate dielectrics for germanium metal-oxide semiconductor devices. Applied physics letters, 93(6).
dc.identifier.uri http://hdl.handle.net/10220/8038
dc.description.abstract Effect of Ge out diffusion into Lu2O3 /Al2O3 high-k dielectric stack was investigated. Increasing Ge signal intensity with increasing annealing temperature was observed, which suggests that there may be excessive Ge incorporation into the high-k film. The electrical measurement shows an improvement of the k value with annealing temperature, as well as an increasing trend in the leakage current density suggesting degradation in electrical performance due to Ge incorporation. Our work suggests that 8.8 at. % of Ge in the film is excessive and result in degradation of the electrical performance of the device due to the increased leakage current.
dc.format.extent 3 p.
dc.language.iso en
dc.relation.ispartofseries Applied physics letters
dc.rights © 2008 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/10.1063/1.2970036. 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 Lu2O3/Al2O3 gate dielectrics for germanium metal-oxide-semiconductor devices
dc.type Journal Article
dc.contributor.school School of Materials Science and Engineering
dc.identifier.doi http://dx.doi.org/10.1063/1.2970036
dc.description.version Published version

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