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Phase Transitions of Organic Fluids Confined in Porous Silicon

Published online by Cambridge University Press:  10 February 2011

C. Faivre ,
G. Dolino  and
D. Bellet
C. Faivre
Affiliation:
Laboratoire de Spectrométrie Physique, Université J. Fourier, Grenoble-I, CNRS, (UMR 5588); BP 87; 38402 Saint Martin d'Hères Cedex; France, [email protected]
G. Dolino
Affiliation:
Laboratoire de Spectrométrie Physique, Université J. Fourier, Grenoble-I, CNRS, (UMR 5588); BP 87; 38402 Saint Martin d'Hères Cedex; France, [email protected]
D. Bellet
Affiliation:
Laboratoire de Spectrométrie Physique, Université J. Fourier, Grenoble-I, CNRS, (UMR 5588); BP 87; 38402 Saint Martin d'Hères Cedex; France, [email protected]
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Abstract

This paper reports experimental data on both the solid-liquid and liquid-vapour phase transitions of an organic fluid confined in the pore network of porous silicon, by using respectively differential scanning calorimetry and X-ray diffraction. Due to the nanometric pore sizes of this material, the surface effects have a strong influence, shifting the transition parameters (lower melting temperature and lower condensation vapour pressure respectively). In particular, the effect of chemical dissolution on the pore size distribution of porous silicon layers has been investigated.

Type
Research Article
Information
MRS Online Proceedings Library (OPL) , Volume 464: Symposium FF – Dynamics in Small Confining Systems III , 1996 , 183
Copyright
Copyright © Materials Research Society 1997

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References

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