2009
DOI: 10.1016/j.apsusc.2008.12.048
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Physical and electrical characteristics of a high-k Yb2O3 gate dielectric

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Cited by 47 publications
(14 citation statements)
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“…They are suitable to be used as electroluminescence 1 and cathodoluminescence 2 sources, catalysts for chemical organic reactions, 3,4 high-k gate dielectrics, 5 optical parts of high power lasers, 6 oxygen ion conducting electrolyte in solid oxide fuel cells, 7 and materials with strongly hydrophobic surface. 8 Depending on the type of the rare earth, five different crystal structures are known.…”
Section: Introductionmentioning
confidence: 99%
“…They are suitable to be used as electroluminescence 1 and cathodoluminescence 2 sources, catalysts for chemical organic reactions, 3,4 high-k gate dielectrics, 5 optical parts of high power lasers, 6 oxygen ion conducting electrolyte in solid oxide fuel cells, 7 and materials with strongly hydrophobic surface. 8 Depending on the type of the rare earth, five different crystal structures are known.…”
Section: Introductionmentioning
confidence: 99%
“…The diffraction peaks at 29.79 o , 33.52 o , 49.19 o , 58.19 o corresponding to the (222), (400), (440), (622) diffraction planes, respectively, are the characteristic peaks of the cubic phase of the Yb2O3. These peaks also match well with the JCPDS: 87-2374 for standard cubic phase of Yb2O3 as well as the reported literature[49,466,470]. Broad peaks indicate that the particles are of nanosize.…”
supporting
confidence: 89%
“…Acetylacetonate and acetate precursors have also been reported using oleic acid/oleylamine/1-octadecene medium for synthesis of single-crystalline and monodisperse cubic rare earth oxide nanoplates and nanodisks [465]. Among various lanthanide oxide nanomaterials, the ytterbium oxide (Yb2O3) is considered as an important C-type cubic refractory sesquioxide due to its high dielectric constant (~15), band gap energy (>5 eV) and remarkable chemical and thermal stabilities [466]. Methods like electro-spinning [49], sol-gel [467], hydrothermal [468], solution-doping technique [469] etc., are reported in literature for the synthesis of Yb2O3 nanostructures.…”
Section: Introductionmentioning
confidence: 99%
“…Our previous research 26 has shown that LaYbO 3 , a new ternary combination has a band gap $5.8 eV and crystallization temperature $900 C, which is much superior to those of the separate oxide, of La 2 O 3 with a band gap $5.2 eV and crystallization temperature $500 C, 27 and Yb 2 O 3 with $5.0 eV and $600 C, 28 respectively. Such results have encouraged us to seek other new ternary materials.…”
Section: Introductionmentioning
confidence: 94%