Inelastic Neutron Scattering Analysis of hydration layers on SnO2 and CoO Nanoparticles.


INS provides an ideal probe to determine the vibrational density of states of water confined on the surface of metal-oxide nanoparticles from which the thermodynamic properties of the water layers can be determined. We propose to collect INS data on TOSCA for two hydrated nanoparticle systems, namely SnO2 and CoO. Our rationale for studying the water layers on SnO2 nanoparticles (5-10nm) is to enable us to compare the heat capacity of these layers with those on the surface of isostructural rutile-TiO2 particles (7nm) that we have previously determined from INS data. The second aim of the experiment is to evaluate the effect of particle size on the thermodynamic properties of confined water. For this aspect of the experiment we propose to collect INS data on three CoO samples of various sizes (7, 16, and 21nm).

Metadata Access
Creator Professor Stewart Parker; Dr Alexander Kolesnikov; Professor Nancy Ross; Dr Elinor Spencer
Publisher ISIS Neutron and Muon Source
Publication Year 2012
Rights CC-BY Attribution 4.0 International;
OpenAccess true
Contact isisdata(at)
Resource Type Dataset
Discipline Photon- and Neutron Geosciences
Temporal Coverage Begin 2009-09-24T09:27:50Z
Temporal Coverage End 2009-09-29T19:32:29Z