Please use this identifier to cite or link to this item: https://olympias.lib.uoi.gr/jspui/handle/123456789/17271
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dc.contributor.authorEvangelou, E. K.en
dc.contributor.authorMavrou, G.en
dc.contributor.authorDimoulaS, A.en
dc.contributor.authorKonofaos, N.en
dc.date.accessioned2015-11-24T18:38:04Z-
dc.date.available2015-11-24T18:38:04Z-
dc.identifier.issn0038-1101-
dc.identifier.urihttps://olympias.lib.uoi.gr/jspui/handle/123456789/17271-
dc.rightsDefault Licence-
dc.subjectgermaniumen
dc.subjectrare earth oxidesen
dc.subjectnibeen
dc.subjectelectrical propertiesen
dc.subjectinterface statesen
dc.subjectbulk statesen
dc.subjectatomic-layer depositionen
dc.subjectgate dielectricsen
dc.subjectbeam depositionen
dc.subjectge(100)en
dc.subjectsien
dc.subjectsi(100)en
dc.titleRare earth oxides as high-k dielectrics for Ge based MOS devices: An electrical study of Pt/Gd(2)O(3)/Ge capacitorsen
heal.typejournalArticle-
heal.type.enJournal articleen
heal.type.elΆρθρο Περιοδικούel
heal.identifier.primaryDOI 10.1016/j.sse.2006.10.011-
heal.identifier.secondary<Go to ISI>://000247900700023-
heal.identifier.secondaryhttp://ac.els-cdn.com/S003811010600342X/1-s2.0-S003811010600342X-main.pdf?_tid=eb6eaee8d316fecf2a8c148e75be5fde&acdnat=1334219937_c37cbba1ca677e0f6a50cedf5c078d4a-
heal.languageen-
heal.accesscampus-
heal.recordProviderΠανεπιστήμιο Ιωαννίνων. Σχολή Επιστημών και Τεχνολογιών. Τμήμα Βιολογικών Εφαρμογών και Τεχνολογιώνel
heal.publicationDate2007-
heal.abstractGermanium technology aiming at the fabrication of functional devices strongly depends on the electrical behaviour of both the oxide bulk and the oxide/Ge interface. Field effect transistors underperform and express non ideal characteristics due to high values of interface defects in conjunction with bulk states. In this paper, we show that rare earth oxide layers of Gd(2)O(3) prepared by molecular beam deposition on Ge substrates produce improved insulating characteristics. The current density at I V was as low as J = 50 nA/cm(2). The calculated value of the dielectric constant was around 10 and an EOT value equal to 3.7 nm was obtained, while the density of the interface states was approximately 2 x 1012 cm(-2) eV(-1). A detailed analysis of the electrical measurements of MOS capacitors revealed the existence of bulk electron traps in the semiconductor which need special attention if rare earth oxides are to be used in Ge based MOS devices. (c) 2006 Elsevier Ltd. All rights reserved.en
heal.journalNameSolid-State Electronicsen
heal.journalTypepeer reviewed-
heal.fullTextAvailabilityTRUE-
Appears in Collections:Άρθρα σε επιστημονικά περιοδικά ( Ανοικτά)

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