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  1. 050 理学部
  2. 10 学術雑誌論文
  3. 10 査読済論文
  1. 0 資料タイプ別
  2. 01 学術雑誌論文

Mass-fractal clustering and powder-law decay of cluster size in 1-propanol aqueous solution

http://hdl.handle.net/10191/26950
ef2e9bab-b545-41a9-b5f0-4dc7548ae9d8
名前 / ファイル ライセンス アクション
121_10_4716-4723.pdf 121_10_4716-4723.pdf (418.5 kB)
Item type 学術雑誌論文 / Journal Article(1)
公開日 2014-04-18
タイトル
タイトル Mass-fractal clustering and powder-law decay of cluster size in 1-propanol aqueous solution
タイトル
言語 en
タイトル Mass-fractal clustering and powder-law decay of cluster size in 1-propanol aqueous solution
言語
言語 eng
資源タイプ
資源 http://purl.org/coar/resource_type/c_6501
タイプ journal article
著者 Misawa, M.

× Misawa, M.

WEKO 38220

Misawa, M.

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Dairoku, I.

× Dairoku, I.

WEKO 38221

Dairoku, I.

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Honma, A.

× Honma, A.

WEKO 38222

Honma, A.

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Yamada, Y.

× Yamada, Y.

WEKO 38223

Yamada, Y.

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Sato, T.

× Sato, T.

WEKO 38224

Sato, T.

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Maruyama, K.

× Maruyama, K.

WEKO 38225

Maruyama, K.

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Mori, K.

× Mori, K.

WEKO 38226

Mori, K.

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Suzuki, S.

× Suzuki, S.

WEKO 38227

Suzuki, S.

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Otomo, T.

× Otomo, T.

WEKO 38228

Otomo, T.

Search repository
抄録
内容記述タイプ Abstract
内容記述 Mesoscale structure of 1-propanol aqueous solutions with propanol mole fraction xp ranging from 0.1 to 0.33 has been studied by means of small angle neutron scattering (SANS) and large-scale reverse Monte Carlo (RMC) technique. Analysis of the SANS intensities in terms of a fractal model shows that the fractal dimension df of mesoscale structure of the solution is about 1.8–1.9 for water-rich solution and about 1.5 for propanol-rich solution. Percolation analysis on the RMC results reveals that the water molecules and the propanol molecules cluster, respectively, as a mass fractal, the dimension dM of which is about 2.3–2.5 for both clusters for water-rich solution. Furthermore, the distribution of the cluster size is expressed by a simple power law with an exponent τ of about 1.35–1.5 for the propanol clusters and 1.05–1.2 for the water clusters. These results imply that the current solution is characterized by polydisperse mass fractals. In fact, a theoretical relation for polydisperse system of mass fractals, df=dM(2-τ), holds well in the current solution. The characteristic change in df from 1.8–1.9 to 1.5 described above is attributed to the crossover between the water-rich regime and the propanol-rich regime. Most of the water molecules and the propanol molecules are located on the interface between clusters, and the water molecules form thin layers of about 10 Å thick irrespective of 1-propanol content studied.
書誌情報 The journal of chemical physics
en : The journal of chemical physics

巻 121, 号 10, p. 4716-4723, 発行日 2004-09
出版者
出版者 American Institute of Physics
ISSN
収録物識別子タイプ ISSN
収録物識別子 00219606
書誌レコードID
収録物識別子タイプ NCID
収録物識別子 AA00694991
DOI
関連識別子
識別子タイプ DOI
関連識別子 info:doi/10.1063/1.1780931
権利
権利情報 Copyright(C) 2004 American Institute of Physics
著者版フラグ
値 publisher
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