Preparation of Non-Stoichiometric Nd_<1-x>MnO_<3-y> by Coprecipitation Method

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著者

    • NAGAI Takuro
    • Department of Mineral Resources Engineering, School of Science and Engineering, Waseda University
    • YAMAZAKI Atsushi
    • Department of Mineral Resources Engineering, School of Science and Engineering, Waseda University
    • TSUTSUMI Sadao
    • Institute of Earth Science, School of Education, Waseda University

抄録

The coprecipitate of carbonates was obtained by titrating an ammonium carbonate solution into an hydrochloric solution of MnO<SUB>2</SUB> and Nd<SUB>2</SUB>O<SUB>3</SUB> . The non-stoichiometric perovskite-type oxide, Nd<SUB>1−x</SUB>MnO<SUB>3−y</SUB> was synthesized by firing the coprecipitate in air without flowing. For the products of Nd<SUB>1</SUB>MnO<SUB>3−y</SUB> prepared at 1100 °C, the single phase showing the stable y/x value 1.5 was obtained in the x = 0.05 to 0.20 region, and a by-product Mn<SUB>3</SUB>O<SUB>4</SUB> was appeared in x = 0.25.

収録刊行物

  • Chemistry letters  

    Chemistry letters 1999(6), 463-464, 1999-06-05 

    The Chemical Society of Japan

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各種コード

  • NII論文ID(NAID)
    10004485919
  • NII書誌ID(NCID)
    AA00603318
  • 本文言語コード
    ENG
  • 資料種別
    ART
  • ISSN
    03667022
  • データ提供元
    CJP書誌  J-STAGE 
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