Synthesis of (Y,Er)₂O₃ Films from Multiple-Nuclei EDTA・(Y,Er)・H Complexes by Flame Spray Method

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  • Komatsu Keiji
    Department of Materials Science and Technology, Nagaoka University of Technology
  • Sekiya Tetsuo
    Department of Materials Science and Technology, Nagaoka University of Technology
  • Toyama Ayumu
    Department of Materials Science and Technology, Nagaoka University of Technology
  • Shirai Tomoyuki
    Department of Materials Science and Technology, Nagaoka University of Technology
  • Nakamura Atsushi
    Department of Materials Science and Technology, Nagaoka University of Technology Chubu Chelest
  • Ohshio Shigeo
    Department of Materials Science and Technology, Nagaoka University of Technology
  • Toda Ikumi
    Department of Materials Science and Technology, Nagaoka University of Technology
  • Muramatsu Hiroyuki
    Department of Materials Science and Technology, Nagaoka University of Technology
  • Saitoh Hidetoshi
    Department of Materials Science and Technology, Nagaoka University of Technology

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タイトル別名
  • Synthesis of (Y,Er)<sub>2</sub>O<sub>3</sub> Films from Multiple-Nuclei EDTA·(Y,Er)·H Complexes by Flame Spray Method
  • Synthesis of (Y,Er)<sub>2</sub>O<sub>3</sub> Films from Multiple-Nuclei EDTA&middot;(Y,Er)&middot;H Complexes by Flame Spray Method

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抄録

In this investigation, rare earth metal oxide films were synthesized from metal complexes of ethylenediaminetetraacetic acid (metal-EDTA) by utilizing a flame spray technique. Two raw metal-EDTA powders were prepared as starting materials in order to synthesize (Y,Er)2O3 films on stainless steel (SUS) substrates by a reaction that is promoted by the combustion of gaseous H2-O2. Molecularly mixed EDTA·(Y,Er)·H and mechanically mixed EDTA·Y·H + EDTA·Er·H complexes were subsequently prepared. The existence of Y2O3 and Er2O3 crystalline phases was confirmed for the EDTA·Y·H + EDTA·Er·H mixtures. Lamellar structures were formed on the film with a porosity of 9.5%. Alternatively, a homogenous, (Y,Er)2O3 film was obtained from the EDTA·(Y,Er)·H complex, with a film porosity of 31.8%. These results indicate that uniform (Y,Er)2O3 films were synthesized on SUS substrates from molecularly mixed EDTA·(Y,Er)·H powders.

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