Structural studies of pyrochlore-related spin-1/2 system Ag $_{2}$ Cu $_{2}$ O $_{3}$

Uematsu, Daisuke*; Soda, Minoru*; Kobayashi, Yoshiaki*; Sato, Masatoshi*; Igawa, Naoki ; Kakurai, Kazuhisa

The close coupling of the crystal distortion to the magnetic ordering in Ag $_{2}$ Cu $_{2}$ O $_{3}$ at 70K has been found by X-ray and neutron diffraction analyses and magnetic measurements. The system has a pyrochlore-related structure with corner-sharing tetrahedra of Cu $^{2+}$ ions, in which the geometrical frustration is inherent. We report how the structural distortion releases the frustration, stabilizing the magnetic ordered state.

Language	:	English
Journal	:	Journal of the Physical Society of Japan
Volume	:	75
Number	:	12
Pages	:	p.124601_1 - 124601_5
Publication Year/Month	:	2006/12
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Paper URL	:	https://doi.org/10.1143/JPSJ.75.124601
DOI for research data	:
Keywords	:	no keyword
Research Facility	:	JRR-3M(研究炉3)
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Article of JAEA R&D Review	:
Cooperating Institute	:	名古屋大学

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Registration No. : AA20060871
JAEA Abstracts No. : 35001479
Paper Submission No. : 3065

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Structural studies of pyrochlore-related spin-1/2 system AgCuO

Structural studies of pyrochlore-related spin-1/2 system Ag $_{2}$ Cu $_{2}$ O $_{3}$