Slow dynamics of supercooled water confined in nanoporous silica materials

L. Liu, A. Faraone, C. Y. Mou, C. W. Yen, S. H. Chen

研究成果: 雜誌貢獻回顧型文獻同行評審

90 引文 斯高帕斯(Scopus)

摘要

The incoherent quasielastic neutron scattering (QENS) studies of the dynamics of supercooled water confined in nanoporous silica materials were reviewed. QENS data were analyzed by using the relaxing cage model (RCM). The molecular dynamics (MD) simulation of the extended simple point charge model (SPC/E) for bulk supercooled water was used to establish the validity of the RCM, which applies to both the translational and rotational motion of water molecules. It was assumed that the dynamics of water molecules in the vicinity of a hydrophilic surface was similat to a bulk water at an equivalent lower supercooled temperature. The relaxational dynamics of water confined in mesoporous matrices were studied using dielectric spectroscopy.

原文英語
頁(從 - 到)S5403-S5436
期刊Journal of Physics Condensed Matter
16
發行號45
DOIs
出版狀態已發佈 - 11月 17 2004
對外發佈

ASJC Scopus subject areas

  • 材料科學(全部)
  • 凝聚態物理學

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