On the Magnetic Structure of Quasi One Dimensional Spin 1/2 System of Li_2ZrCuO_4(Condensed matter: electronic structure and electrical, magnetic, and optical properties)
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概要
- 論文の詳細を見る
Magnetization and ^7Li-NMR measurements have been carried out for an a-axis-aligned sample of Li_2ZrCuO_4, which has quasi one-dimensional Cu^<2+> spins (s=1/2) in chains of edge-sharing CuO_4 square planes and exhibits the magnetic transition at temperature T_N〜7K. The NMR results at 〜2K indicate that the system has an incommensurate helical order of Cu spins within the ac-plane. Although the ferroelectricity is predicted in this ordered state by existing theories developed for a single chain, no anomalies have been observed in the dielectric susceptibility ε and electric polarization P for poly-crystalline samples.
- 社団法人日本物理学会の論文
- 2008-04-15
著者
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Sato Masatoshi
Department Of Electrical And Electronics Engineering Sophia University
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Kobayashi Yoshiaki
Department Of Physics Division Of Material Science Nagoya University
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TARUI Yasuko
Department of Physics, Division of Material Science, Nagoya University
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Tarui Yasuko
Department Of Physics Division Of Material Science Nagoya University
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Sato Masatoshi
Department Of Agro-environmental Science Obihiro University Of Agriculture And Veterinary Medicine
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