Synthesis and physical properties of pyrochlore iridium oxides Pb $_{2-x}$ Ca $_{x}$ Ir $_{2}$ O $_{7-y}$

Sakai, Hironori; Ono, Hiroyuki*; Oba, Noriaki*; Kato, Masaki*; Yoshimura, Kazuyoshi*

Pyrochlore iridium oxides Pb $_{2-x}$ Ca $_{x}$ Ir $_{2}$ O $_{7-y}$ (=0.0, 0.2, 0.4, 0.6, 0.8) were prepared by solid state reaction. The electrical resistivity and the magnetic susceptibility were measured between 4.2 and 300 K. These compounds show metallic conductivity and obey the Curie-Weiss law with temperature independent term. The metallic conductivity of Pb $_{2}$ Ir $_{2}$ O $_{7}$ is suppressed by the Ca substitution for Pb site.

Language	:	English
Journal	:	Physica B; Condensed Matter
Volume	:	329-333
Number	:	2
Pages	:	p.1038 - 1039
Publication Year/Month	:	2003/05
Meeting title	:	23rd International Conference on Low Temperature Physics (LT-23)
Held date	:	2002/08
Location (city)	:	Hiroshima
Location (country)	:	Japan
Patent information	:
PDF	:
Paper URL	:	https://doi.org/10.1016/S0921-4526(02)02239-1
DOI for research data	:
Keywords	:	パイロクロア型酸化物; 金属酸化物; 磁性
Research Facility	:
Press Release	:
Article of JAEA R&D Review	:
Cooperating Institute	:	京都大学

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Registration No. : B20020847
JAEA Abstracts No. :
Paper Submission No. : 14099

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Synthesis and physical properties of pyrochlore iridium oxides PbCaIrO

Synthesis and physical properties of pyrochlore iridium oxides Pb $_{2-x}$ Ca $_{x}$ Ir $_{2}$ O $_{7-y}$