Synthesis of delafossite type oxides CuMO2 (M=Fe, Al, Y, Ga) by the citric-acid based gel technology

Daisuke Nagai, Minoru Osada, Masato Kakihana

研究成果: Article査読

抄録

Powders of CuMO2 (M=Fe, Al, Y, Ga) with delafossite structure were synthesized by a gel technology using citric acid (CA) as a complexant. Heating of a mixed solution of CA, H2O and the constituent metals at 130°C gave a brown transparent gel. The gel was preheated at 350°C to give a powder precursor which was subsequently converted to oxides by heat-treating it at 700°C-1050°C for 12h either in N2 or in air. X-Ray diffraction and Raman scattering analyses showed that all the samples are virtually of single-phase without any indication of secondary phases. Pure CuMO2 was successfully synthesized by the CA-based gel technology at lower temperature and with shorter sintering time when compared with those for the conventional solid-state reaction technique.

本文言語English
ページ(範囲)185-188
ページ数4
ジャーナルFuntai Oyobi Fummatsu Yakin/Journal of the Japan Society of Powder and Powder Metallurgy
46
2
出版ステータスPublished - 1999 2月
外部発表はい

ASJC Scopus subject areas

  • 機械工学
  • 金属および合金

フィンガープリント

「Synthesis of delafossite type oxides CuMO2 (M=Fe, Al, Y, Ga) by the citric-acid based gel technology」の研究トピックを掘り下げます。これらがまとまってユニークなフィンガープリントを構成します。

引用スタイル