Unusual impurity effect on room-temperature ferromagnet Sr3YCo4O10.56

Wataru Kobayashi, S. Yoshida, I. Terasaki

    研究成果: Review article査読

    11 被引用数 (Scopus)

    抄録

    We have prepared polycrystalline samples of Sr3YCo4O10.56, Sr2.4Ca0.6YCo4O10.54, and Sr3YCo3.76Mn0.24O10.59, and found that these materials show unusual impurity effects on their transport and magnetic properties. A tiny amount of impurities such as Mn or Ca suppresses room-temperature ferromagnetism of Sr3YCo4O10.56. With the suppression, their resistivities and thermopowers are also dramatically changed. We propose that the unusual impurity effects are caused by the suppression of orbital ordering.

    本文言語English
    ページ(範囲)355-360
    ページ数6
    ジャーナルProgress in Solid State Chemistry
    35
    2-4 SPEC. ISS.
    DOI
    出版ステータスPublished - 2007

    ASJC Scopus subject areas

    • 材料化学

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