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Neutron scattering study on dynamics of water molecules in MCM-41. 2. Determination of transational diffusion coefficient
- Source :
- Journal of Physical Chemistry B. June 9, 2005, Vol. 109 Issue 22, p11231, 9 p.
- Publication Year :
- 2005
-
Abstract
- Quasielastic neutron scattering (QENS) spectra of water-filled MCM-41 samples are measured over the temperature range 238-298 K and the momentum transfer range 0.31-0.99 A(sup -1) to investigate the dynamics of confined water molecules. Using the Lorentzian and the stretched exponential functions, the spectra, which consist mainly of contributions from the transational diffusion of water molecules, are analyzed.
Details
- Language :
- English
- ISSN :
- 15206106
- Volume :
- 109
- Issue :
- 22
- Database :
- Gale General OneFile
- Journal :
- Journal of Physical Chemistry B
- Publication Type :
- Academic Journal
- Accession number :
- edsgcl.135955826