Magnetic phase transition in PdxCoyO2

Hirotaka Okabe, Masanori Matoba, Mituru Itoh

研究成果: Article査読

1 被引用数 (Scopus)

抄録

The nonstoichiometric compound Pdx.Coy,O2 (x = 0.72,y = 0.68) were carefully prepared by the metathetical reaction and characterized by the measurements of the powder X-ray diffraction, the inductively coupled plasma spectrum, the DC magnetic susceptibility, and the specific heat. The stoichiometric PdCoO2 exhibits Pauliparamagnetism, while two magnetic phase transitions were indeed observed in Pd0.72Co0.68O2. The deviation of fieldcooled from zero-field-cooled curves appears below 55 K, indicating a certain kind of antiferromagnetic phase transition. The well-defined cusp is seen with a peak at Tg = 4.5 K, indicating the existence of spin-glass like transition.

本文言語English
ページ(範囲)948-949
ページ数2
ジャーナルPhysica B: Condensed Matter
329-333
II
DOI
出版ステータスPublished - 2003 5

ASJC Scopus subject areas

  • 電子材料、光学材料、および磁性材料
  • 凝縮系物理学
  • 電子工学および電気工学

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