Low-temperature structural phase transitions in rare earths substituted calcium manganese oxides [Ca2-xLnxMnO4, where Ln=Nd, Sm-Lu and Y]

Junichi Takahashi, Naoki Kamegashira

研究成果: Article査読

6 被引用数 (Scopus)

抄録

The structural phase transitions of Ca2-xLnxMnO4 (Ln=Nd, Sm-Lu and Y) were investigated by powder X-ray diffraction in the temperature range 10-1000 K. The maximum amount of the substitution, x, for the formation of the single phase had a tendency to decrease with decreasing ionic radii of rare earths. The new type of orthorhombic phase with a distortion along [100] direction of the undistorted tetragonal phase was found for Ln=Nd, Sm, Lu and Y with x=0.2. The low temperature tetragonal phase was observed in the case of Ln=Sm with x=0.3.

本文言語English
ページ(範囲)451-460
ページ数10
ジャーナルMaterials Research Bulletin
28
5
DOI
出版ステータスPublished - 1993 5月
外部発表はい

ASJC Scopus subject areas

  • 材料科学(全般)
  • 凝縮系物理学
  • 材料力学
  • 機械工学

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