The fragile-to-strong dynamic crossover transition in confined water: Nuclear magnetic resonance results

F. Mallamace; M. Broccio; C. Corsaro; A. Faraone; U. Wanderlingh; L. Liu; C. Y. Mou; S. H. Chen

doi:10.1063/1.2193159

The fragile-to-strong dynamic crossover transition in confined water: Nuclear magnetic resonance results

F. Mallamace, M. Broccio, C. Corsaro, A. Faraone, U. Wanderlingh, L. Liu, C. Y. Mou, S. H. Chen

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195 Citations (Scopus)

Abstract

By means of a nuclear magnetic resonance experiment, we give evidence of the existence of a fragile-to-strong dynamic crossover transition (FST) in confined water at a temperature TL =223±2 K. We have studied the dynamics of water contained in 1D cylindrical nanoporous matrices (MCM-41-S) in the temperature range 190-280 K, where experiments on bulk water were so far hampered by crystallization. The FST is clearly inferred from the T dependence of the inverse of the self-diffusion coefficient of water (1D) as a crossover point from a non-Arrhenius to an Arrhenius behavior. The combination of the measured self-diffusion coefficient D and the average translational relaxation time 〈 τT 〉, as measured by neutron scattering, shows the predicted breakdown of Stokes-Einstein relation in deeply supercooled water.

Original language	English
Article number	161102
Journal	Journal of Chemical Physics
Volume	124
Issue number	16
DOIs	https://doi.org/10.1063/1.2193159
Publication status	Published - 2006
Externally published	Yes

ASJC Scopus subject areas

General Physics and Astronomy
Physical and Theoretical Chemistry

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title = "The fragile-to-strong dynamic crossover transition in confined water: Nuclear magnetic resonance results",

abstract = "By means of a nuclear magnetic resonance experiment, we give evidence of the existence of a fragile-to-strong dynamic crossover transition (FST) in confined water at a temperature TL =223±2 K. We have studied the dynamics of water contained in 1D cylindrical nanoporous matrices (MCM-41-S) in the temperature range 190-280 K, where experiments on bulk water were so far hampered by crystallization. The FST is clearly inferred from the T dependence of the inverse of the self-diffusion coefficient of water (1D) as a crossover point from a non-Arrhenius to an Arrhenius behavior. The combination of the measured self-diffusion coefficient D and the average translational relaxation time 〈 τT 〉, as measured by neutron scattering, shows the predicted breakdown of Stokes-Einstein relation in deeply supercooled water.",

author = "F. Mallamace and M. Broccio and C. Corsaro and A. Faraone and U. Wanderlingh and L. Liu and Mou, {C. Y.} and Chen, {S. H.}",

note = "Funding Information: The research at MIT is supported by a grant from Materials Science Division of U.S. DOE. The research in Messina is supported by the MURST-PRIN2004. We benefited from affiliation with the EU Marie Curie Research and Training Network on Arrested Matter. We acknowledge a fruitful discussion with J. P. Garrahan on the breakdown of Stokes-Einstein relation. ",

year = "2006",

doi = "10.1063/1.2193159",

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T2 - Nuclear magnetic resonance results

AU - Mallamace, F.

AU - Broccio, M.

AU - Corsaro, C.

AU - Faraone, A.

AU - Wanderlingh, U.

AU - Liu, L.

AU - Mou, C. Y.

AU - Chen, S. H.

N1 - Funding Information: The research at MIT is supported by a grant from Materials Science Division of U.S. DOE. The research in Messina is supported by the MURST-PRIN2004. We benefited from affiliation with the EU Marie Curie Research and Training Network on Arrested Matter. We acknowledge a fruitful discussion with J. P. Garrahan on the breakdown of Stokes-Einstein relation.

PY - 2006

Y1 - 2006

N2 - By means of a nuclear magnetic resonance experiment, we give evidence of the existence of a fragile-to-strong dynamic crossover transition (FST) in confined water at a temperature TL =223±2 K. We have studied the dynamics of water contained in 1D cylindrical nanoporous matrices (MCM-41-S) in the temperature range 190-280 K, where experiments on bulk water were so far hampered by crystallization. The FST is clearly inferred from the T dependence of the inverse of the self-diffusion coefficient of water (1D) as a crossover point from a non-Arrhenius to an Arrhenius behavior. The combination of the measured self-diffusion coefficient D and the average translational relaxation time 〈 τT 〉, as measured by neutron scattering, shows the predicted breakdown of Stokes-Einstein relation in deeply supercooled water.

AB - By means of a nuclear magnetic resonance experiment, we give evidence of the existence of a fragile-to-strong dynamic crossover transition (FST) in confined water at a temperature TL =223±2 K. We have studied the dynamics of water contained in 1D cylindrical nanoporous matrices (MCM-41-S) in the temperature range 190-280 K, where experiments on bulk water were so far hampered by crystallization. The FST is clearly inferred from the T dependence of the inverse of the self-diffusion coefficient of water (1D) as a crossover point from a non-Arrhenius to an Arrhenius behavior. The combination of the measured self-diffusion coefficient D and the average translational relaxation time 〈 τT 〉, as measured by neutron scattering, shows the predicted breakdown of Stokes-Einstein relation in deeply supercooled water.

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The fragile-to-strong dynamic crossover transition in confined water: Nuclear magnetic resonance results

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