Lattice Distortion for Stabilizing the Spin-Peierls State in CeRu2Al10
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概要
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We propose a relevant lattice distortion to stabilize the spin-Peierls state in CeRu2Al10, compatible with the 27Al-NQR spectra and neutron diffraction patterns on the assumption that Al atoms at Al(1) to Al(4) sites displace toward their respective neighboring Ce ions below $T_{0} = 27$ K, leaving Ce, Ru, and Al at Al(5) sites immobile. Owing to the resulting regular lattice distortion, the assembly of one-dimensional spin-Peierls order on each zigzag chain along the $c$-axis predicted by the author becomes a three-dimensional order with $\mathbf{Q} = (0, 0, 1)$, where bonds connecting a dimerized pair of Ce ions form an antiferro ordering in a body-centered structure.
- Physical Society of Japanの論文
- 2010-08-15
著者
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Hanzawa Katsurou
Department Of Physics Faculty Of Science And Technology Science University Of Tokyo
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Katsurou Hanzawa
Department of Physics, Faculty of Science and Technology, Tokyo University of Science, Noda, Chiba 278-8510, Japan
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