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Search for magnetic excitation spectra of Na$$_{x}$$CoO$$_{2}$$$$cdot$$$$_{y}$$D$$_{2}$$O; Neutron scattering

Moyoshi, Taketo*; Yasui, Yukio*; Soda, Minoru*; Kobayashi, Yoshiaki*; Sato, Masatoshi*; Kakurai, Kazuhisa

Neutron scattering investigations on single crystal Na$$_{x}$$CoO$$_{2}$$ y(D$$_{2}$$O) have been carried out. Strong 2-D diffuse scattering due to the short-range ordered state of D$$_{2}$$O molecules are observed. Significant scattering has been also observed for phonons originating from the vibrations of the short-range ordered D$$_{2}$$O molecules. No firm evidence for the magnetic fluctuations has been found for the hydrated superconducting component Na$$_{x}$$CoO$$_{2}$$ y(D$$_{2}$$O), while the very weak intensity modulation observed in the scans along (1/2,1/2,l) suggests the existence of the antiferromagnetic fluctuations in the non-hydrated parts of the sample.

Language

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English

Journal

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Journal of the Physical Society of Japan

Volume

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75

Number

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7

Pages

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p.074705_1 - 074705_6

Publication Year/Month

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2006/07

Meeting title

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Held date

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Location (city)

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Location (country)

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Patent information

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PDF

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Paper URL

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https://doi.org/10.1143/JPSJ.75.074705

DOI for research data

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Keywords

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no keyword

Research Facility

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Press Release

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Article of JAEA R&D Review

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Cooperating Institute

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Accesses

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- Accesses

InCites™

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Percentile:56.33

Category:Physics, Multidisciplinary

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