Water dynamics in alumino-germanate nanotubes.
Alumino-germanate imogolites are peculiar nanotubes having a diameter of about 2 nm and a typical length of a micron. Their strong hydrophilic character makes them extremely interesting for all applications involving transport and ultrafiltration of water, or storage of hydrogen containing materials. In view of such potential applications, this proposals aims at investigating the diffusional and vibrational dynamics of water confined in Ge-Imo NTs, in the energy region between 0.1 and 80 meV. The IN5 spectrometer is ideally suited to study the quasielastic response (from about 0.1 to 2 meV) of liquid confined water. The IN4 spectrometer, on the other hand, is the best choice to measure the vibrational density of states (between 2 and 80 meV) in the solid phase of hydration water.
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ORECCHINI Andrea; AMARA Mohamed Salah; LAUNOIS Pascale; OLLIVIER Jacques; PAINEAU Erwan Nicolas; ROLS Stephane and THILL Antoine. (2013). Water dynamics in alumino-germanate nanotubes.. Institut Laue-Langevin (ILL) doi:10.5291/ILL-DATA.7-05-401