Structure of liquid and glassy methanol confined in cylindrical pores

Denis Morineau; Régis Guégan; Yongde Xia; Christiane Alba-Simionesco

doi:10.1063/1.1762872

Structure of liquid and glassy methanol confined in cylindrical pores

Denis Morineau^*, Régis Guégan, Yongde Xia, Christiane Alba-Simionesco

^*Corresponding author for this work

Research output: Contribution to journal › Article › peer-review

61 Citations (Scopus)

Abstract

The density and the static structure factor of confined methanol at various temperature were discussed. The study was carried by using neutron scattering analysis. It was found that a change of the thermal expansivity of confined methanol at low temperature was the signature of the glass transition, which occurred at higher temperature for the smaller pore. The results show that stronger fluid-matrix correlations must be envoked most probably in relation with H-bonding character of both methanol and silicate surface.

Original language	English
Pages (from-to)	1466-1473
Number of pages	8
Journal	Journal of Chemical Physics
Volume	121
Issue number	3
DOIs	https://doi.org/10.1063/1.1762872
Publication status	Published - 2004 Jul 15
Externally published	Yes

ASJC Scopus subject areas

Physics and Astronomy(all)
Physical and Theoretical Chemistry

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10.1063/1.1762872

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AU - Morineau, Denis

AU - Guégan, Régis

AU - Xia, Yongde

AU - Alba-Simionesco, Christiane

PY - 2004/7/15

Y1 - 2004/7/15

N2 - The density and the static structure factor of confined methanol at various temperature were discussed. The study was carried by using neutron scattering analysis. It was found that a change of the thermal expansivity of confined methanol at low temperature was the signature of the glass transition, which occurred at higher temperature for the smaller pore. The results show that stronger fluid-matrix correlations must be envoked most probably in relation with H-bonding character of both methanol and silicate surface.

AB - The density and the static structure factor of confined methanol at various temperature were discussed. The study was carried by using neutron scattering analysis. It was found that a change of the thermal expansivity of confined methanol at low temperature was the signature of the glass transition, which occurred at higher temperature for the smaller pore. The results show that stronger fluid-matrix correlations must be envoked most probably in relation with H-bonding character of both methanol and silicate surface.

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Structure of liquid and glassy methanol confined in cylindrical pores

Abstract

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