Please use this identifier to cite or link to this item: https://hdl.handle.net/20.500.12104/43755
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dc.contributor.authorFelix, M.V.
dc.contributor.authorRodriguez-Rojas, R.A.
dc.contributor.authorCastaneda-Contreras, J.
dc.contributor.authorNova, R.
dc.contributor.authorVelazquez, R.
dc.contributor.authorConsolati, G.
dc.contributor.authorCastano, V.M.
dc.date.accessioned2015-09-15T18:41:30Z-
dc.date.available2015-09-15T18:41:30Z-
dc.date.issued2006
dc.identifier.urihttp://www.scopus.com/inward/record.url?eid=2-s2.0-33748963789&partnerID=40&md5=93ed741dbf6080e1b0d3ea486be03480
dc.identifier.urihttp://hdl.handle.net/20.500.12104/43755-
dc.description.abstractThe positronium annihilation of surface modified silica gel particles was discussed. The groups of advanced materials analyzed by Positronium Annihilation Lifetime Spectroscopy (PALS) were found to be an excellent media to investigate positron annihilation from intermolecular meso- and nano- pores. Positron annihilation lifetime spectroscopy (PALS) has become popular as a tool to determine nanometer-sized voids in solids. PALS makes a correlation between positronium lifetimes and void sizes which is the key feature that allows to transform a lifetime distribution into a pore-size distribution. PALS measurements probe that catalysts are an interesting frame of study for positronium annihilation in porous media because of the decomposition of the spectra into four elementary e+ and p-Ps annihilations and o-Ps annihilation in inner and outer spaces.
dc.relation.isreferencedbyScopus
dc.relation.isreferencedbyWOS
dc.titlePositronium annihilation study of surface modified silica gel particles
dc.typeArticle
dc.relation.ispartofjournalMaterials Research Innovations
dc.relation.ispartofvolume10
dc.relation.ispartofissue2
dc.relation.ispartofpage60
dc.relation.ispartofpage61
dc.subject.keywordCatalysis; Nanoporosity; Positron annihilation; Silica gel
dc.contributor.affiliationF�lix, M.V., Universidadde Guadalajara, Centro Universitario de Los Lagos, Enrique D�az de Le�n S/N, Lagos de Moreno, Jalisco, Mexico; Rodr�guez-Rojas, R.A.; Casta�eda-Contreras, J.; Nova, R.; Vel�zquez, R.; Consolati, G., IFNM, Dipartimento di Fisica, Politecnico di Milano, Piazza Leonardo da Vinci, 32-1, 20133 Milano, Italy; Casta�o, V.M., Centro de F�sica Aplicada y Tecnologta Avanzada, Universidad Nacional Aut�noma de M�xico, A.P. 1-1010, Quer�taro, QRO 76230, Mexico
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