Malonate complexes of dysprosium: synthesis, characterization and application for LI-MOCVD of dysprosium containing thin films (Articolo in rivista)

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  • Malonate complexes of dysprosium: synthesis, characterization and application for LI-MOCVD of dysprosium containing thin films (Articolo in rivista) (literal)
Anno
  • 2011-01-01T00:00:00+01:00 (literal)
Alternative label
  • A.P. Milanov, R.W. Seidel, D. Barreca, A. Gasparotto, M. Winter, J. Feydt, S. Irsen, H.-Werner Becker, and A. Devi, (2011)
    Malonate complexes of dysprosium: synthesis, characterization and application for LI-MOCVD of dysprosium containing thin films
    in Dalton transactions (2003. Print)
    (literal)
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  • A.P. Milanov, R.W. Seidel, D. Barreca, A. Gasparotto, M. Winter, J. Feydt, S. Irsen, H.-Werner Becker, and A. Devi, (literal)
Pagina inizio
  • 62 (literal)
Pagina fine
  • 78 (literal)
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  • 40 (literal)
Rivista
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  • 17 (literal)
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  • pubblicazionne su rivista (literal)
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  • ISI Web of Science (WOS) (literal)
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  • 1,5,9: Inorganic Materials Chemistry, Ruhr-University Bochum, 44801, Bochum, Germany 2: Lehrstuhl fur Analytische Chemie, Ruhr-University Bochum, 44801, Bochum, Germany 3: CNR-ISTM and INSTM, Department of Chemistry, Padova University, Via Marzolo, 1, 35131, Padova, Italy 4: Department of Chemistry, Padova University and INSTM, Via Marzolo, 1, 35131, Padova, Italy 6,7: Center of Advanced European Studies and Research (caesar), 53175, Bonn, Germany 8: Dynamitron-Tandem-Laboratorium (DTL) of RUBION, Ruhr-University Bochum, 44801, Bochum, Germany (literal)
Titolo
  • Malonate complexes of dysprosium: synthesis, characterization and application for LI-MOCVD of dysprosium containing thin films (literal)
Abstract
  • A series of malonate complexes of dysprosium were synthesized as potential metalorganic precursors for Dy containing oxide thin films using chemical vapor deposition (CVD) related techniques. The steric bulkiness of the dialkylmalonato ligand employed was systematically varied and its influence on the resulting structural and physico–chemical properties that is relevant for MOCVD was studied. Single crystal X-ray diffraction analysis revealed that the five homoleptic tris-malonato Dy complexes (1-–5) are dimers with distorted square-face bicapped trigonal-prismatic geometry and a coordination number of eight. In an attempt to decrease the nuclearity and increase the solubility of the complexes in various solvents, the focus was to react these dimeric complexes with Lewis bases such as 2,2'-biypridyl and pyridine (6-–9). This resulted in monomeric tris-malonato mono Lewis base adduct complexes with improved thermal properties. Finally considering the ease of synthesis, the monomeric nature and promising thermal characteristics, the silymalonate adduct complex [Dy(dsml)3bipy] (8) was selected as single source precursor for growing DySixOy thin films by liquid injection metalorganic chemical vapor deposition (LI-MOCVD) process. The as-deposited films were analyzed for their morphology and composition by scanning electron microscopy (SEM), energy dispersive X-ray (EDX) analysis, Rutherford backscattering (RBS) analysis and X-ray photoelectron spectroscopy. (literal)
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