Yttrium beta-diketonate glyme MOCVD precursors: Effects of the polyether length on stabilities, mass transport properties and coordination spheres (Articolo in rivista)

Type
Label
  • Yttrium beta-diketonate glyme MOCVD precursors: Effects of the polyether length on stabilities, mass transport properties and coordination spheres (Articolo in rivista) (literal)
Anno
  • 2004-01-01T00:00:00+01:00 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#doi
  • 10.1002/ejic.200300354 (literal)
Alternative label
  • Malandrino, G; Lo Nigro, R; Fragala, IL; Benelli, C (2004)
    Yttrium beta-diketonate glyme MOCVD precursors: Effects of the polyether length on stabilities, mass transport properties and coordination spheres
    in European journal of inorganic chemistry (Print); Wiley-VCH - Weinheim, Wheinheim (Germania)
    (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori
  • Malandrino, G; Lo Nigro, R; Fragala, IL; Benelli, C (literal)
Pagina inizio
  • 500 (literal)
Pagina fine
  • 509 (literal)
Rivista
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#pagineTotali
  • 10 (literal)
Note
  • ISI Web of Science (WOS) (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#affiliazioni
  • Univ Catania, Dipartimento Sci Chim, I-95125 Catania, Italy; Univ Catania, Unita INSTM Catania, I-95125 Catania, Italy; CNR, IMM, Sez Catania, I-95121 Catania, Italy; Univ Florence, Dipartimento Chim, I-50121 Florence, Italy; Univ Florence, Unita INSTM Firenze, I-50121 Florence, Italy (literal)
Titolo
  • Yttrium beta-diketonate glyme MOCVD precursors: Effects of the polyether length on stabilities, mass transport properties and coordination spheres (literal)
Abstract
  • The glyme adducts of trishexafluoroacetylacetonato yttrium, [Y(hfa)(3)(.)monoglyme], [Y(hfa)(3)(.)diglyme], [Y(hfa)(3)(.)(H2O)(2)(.)triglyme] and [Y(hfa)(2)(.)tetraglyme](+)[Y(hfa)(4)](-) {CH3(OCH2CH2)(n)OCH3, n = 1 monoglyme, 2 diglyme, 3 triglyme and 4 tetraglyme}, were synthesized and characterized by elemental analysis, mass spectrometry, and IR, H-1 and C-13 NMR spectroscopy. Additionally, [Y(hfa)(3)(.)monoglyme] and [Y(hfa)(3)(.)diglyme] were characterized by single-crystal X-ray diffraction studies. The mass-transport properties of these adducts were investigated by thermogravimetric analysis, differential scanning calorimetry, evaporation-rate measurements and chemical vapour-deposition experiments. There is evidence of high volatility and very good thermal stabilities with a residue lower than 2-4%. Vaporization-rate experiments proved that all adducts are well-suited for metal-organic chemical vapour-deposition experiments. The [Y(hfa)(3)(.)monoglyme] complex was successfully applied in the low-pressure MOCVD process of YBaCuO HTc superconductor using a multimetal molten single source. (literal)
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