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Synthesis and magnetic properties of ALnO2 (A = Cu or Ag; Ln = rare earths) with the delafossite structure

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Title: Synthesis and magnetic properties of ALnO2 (A = Cu or Ag; Ln = rare earths) with the delafossite structure
Authors: Miyasaka, Naoyuki Browse this author
Doi, Yoshihiro Browse this author →KAKEN DB
Hinatsu, Yukio Browse this author →KAKEN DB
Keywords: Magnetic properties
Rare earth
Delafossite structure
Magnetic susceptibility
Issue Date: Aug-2009
Publisher: Elsevier Inc.
Journal Title: Journal of Solid State Chemistry
Volume: 182
Issue: 8
Start Page: 2104
End Page: 2110
Publisher DOI: 10.1016/j.jssc.2009.05.035
Abstract: Synthesis, structures, and magnetic properties of ternary rare earth oxides ALnO2. (A = Cu or Ag; Ln = rare earths) have been investigated. CuLnO2 (Ln = La, Pr, Nd, Sm, Eu) were synthesized by the direct solid state reaction of CU2O and Ln2O3, and AgLnO2 (Ln = Tm, Yb, Lu) were obtained by the cation-exchange reaction of NaLnO2 and AgNO3 in a KNO3 flux. These compounds crystallized in the delafossite-type structure with the rhombohedral 3R type (space group: R-3m). Magnetic susceptibility measurements showed that these compounds are paramagnetic down to 1.8 K. Specific heat measurements down to 0.4 K indicated that CuNdO2 ordered antiferromagnetically at 0.8 K.
Type: article (author version)
Appears in Collections:理学院・理学研究院 (Graduate School of Science / Faculty of Science) > 雑誌発表論文等 (Peer-reviewed Journal Articles, etc)

Submitter: 日夏 幸雄

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