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cond-mat.soft2005
Deformation of Silica Aerogel During Fluid Adsorption
Tobias Herman, James Day, John Beamish
Aerogels are very compliant materials - even small stresses can lead to large deformations. In this paper we present measurements of the linear deformation of high porosity aerogel…
cond-mat.other2005
Freezing and pressure-driven flow of solid helium in Vycor
James Day, Tobias Herman, John Beamish
The recent torsional oscillator results of Kim and Chan suggest a supersolid phase transition in solid He-4 confined in Vycor. We have used a capacitive technique to directly monit…
cond-mat.soft2005
Helium adsorption in silica aerogel near the liquid-vapor critical point
Tobias Herman, James Day, John Beamish
We have investigated the adsorption and desorption of helium near its liquid-vapor critical point in silica aerogels with porosities between 95% and 98%. We used a capacitive measu…