A study of nanoporosity in silica gel using positron annihilation
Por:
Felix M.V., Nava R., Lopez-Castanares R., Olea-Cardoso O., Cabral A., Castano V.M.
Publicada:
1 ene 2002
Resumen:
Positronium Annihilation Lifetime Technique (PALT) is a proven tool for analyzing diverse properties of materials. For demonstration purposes, the use of this technique in the study of seven modified silica gel samples is discussed. It is emphasized that the PALT technique is not capable by itself to measure nanoporosity, unless one has knowledge either theoretically or experimentally of the thickness value ?R.
Filiaciones:
Felix M.V.:
Universidad Autonoma de Queretaro, Campus Cerro de las Campanas, Queretaro, Qro. 76000, Mexico
Nava R.:
Universidad Autonoma de Queretaro, Campus Cerro de las Campanas, Queretaro, Qro. 76000, Mexico
Lopez-Castanares R.:
Universidad Autonoma de Queretaro, Campus Cerro de las Campanas, Queretaro, Qro. 76000, Mexico
Olea-Cardoso O.:
Universidad Autonoma de Queretaro, Campus Cerro de las Campanas, Queretaro, Qro. 76000, Mexico
Cabral A.:
Universidad Autonoma de Queretaro, Campus Cerro de las Campanas, Queretaro, Qro. 76000, Mexico
Castano V.M.:
Universidad Autonoma de Queretaro, Campus Cerro de las Campanas, Queretaro, Qro. 76000, Mexico
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