caa a22 4500 463188136 CHVBK 20180406164900.0 cr unu---uuuuu 170326e20070401xx s 000 0 eng 10.1007/s10973-006-8124-y doi (NATIONALLICENCE)springer-10.1007/s10973-006-8124-y Thermalbehaviour study of some sol-gel iron-silica nanocomposites [Elektronische Daten] [Ana Brăileanu, M. Răileanu, M. Crişan, D. Crişan, R. Bîrjega, V. Marinescu, J. Madarász, G. Pokol] Two series of nanocomposites from the FexOy-SiO2 system, containing 20 mass% iron oxide were prepared by the alkoxide route of the sol-gel method, in the absence and presence of catalyst. The silica gel has been obtained using tetraethoxysilane. The iron(III) nitrate nonahydrate has been used as iron oxides source. The samples have been prepared in identical conditions, differing only by the gelation times, induced by different surface of evaporation/volume (S/V) ratios of sol let to gelify. Thermal analysis data have established the thermal treatments conditions of the prepared samples and were correlated with X-ray diffraction, IR spectroscopy and TEM results, in order to accomplish a complete structural characterization. The correlation between the structural modifications of the FexOy-SiO2 nanocomposites and different conditions of drying has been established. Springer-Verlag, 2007 iron-silica nanocomposites nationallicence sol-gel method nationallicence thermal analysis nationallicence Brăileanu Ana Institute of Physical Chemistry Ilie Murgulescu, Roumanian Academy, 202 Splaiul Independenţei, 060021, Bucharest, Roumania aut Răileanu M. Institute of Physical Chemistry Ilie Murgulescu, Roumanian Academy, 202 Splaiul Independenţei, 060021, Bucharest, Roumania aut Crişan M. Institute of Physical Chemistry Ilie Murgulescu, Roumanian Academy, 202 Splaiul Independenţei, 060021, Bucharest, Roumania aut Crişan D. Institute of Physical Chemistry Ilie Murgulescu, Roumanian Academy, 202 Splaiul Independenţei, 060021, Bucharest, Roumania aut Bîrjega R. National Institute for Lasers, Plasma and Radiation Physics, PO Box MG-36, 76900, Bucharest, Roumania aut Marinescu V. INCDIE ICPE-CA, 313 Spl. Unirii, 030138, Bucharest, Roumania aut Madarász J. Institute of General and Analytical Chemistry, Budapest University of Technology and Economics, Szt. Gellért tér 4, 1521, Budapest, Hungary aut Pokol G. Institute of General and Analytical Chemistry, Budapest University of Technology and Economics, Szt. Gellért tér 4, 1521, Budapest, Hungary aut Journal of Thermal Analysis and Calorimetry Kluwer Academic Publishers 88/1(2007-04-01), 163-169 1388-6150 88:1<163 2007 88 10973 https://doi.org/10.1007/s10973-006-8124-y text/html Onlinezugriff via DOI 1 research-article jats NATIONALLICENCE 856 40 https://doi.org/10.1007/s10973-006-8124-y text/html Onlinezugriff via DOI NATIONALLICENCE 700 1- Brăileanu Ana Institute of Physical Chemistry Ilie Murgulescu, Roumanian Academy, 202 Splaiul Independenţei, 060021, Bucharest, Roumania aut NATIONALLICENCE 700 1- Răileanu M. Institute of Physical Chemistry Ilie Murgulescu, Roumanian Academy, 202 Splaiul Independenţei, 060021, Bucharest, Roumania aut NATIONALLICENCE 700 1- Crişan M. Institute of Physical Chemistry Ilie Murgulescu, Roumanian Academy, 202 Splaiul Independenţei, 060021, Bucharest, Roumania aut NATIONALLICENCE 700 1- Crişan D. Institute of Physical Chemistry Ilie Murgulescu, Roumanian Academy, 202 Splaiul Independenţei, 060021, Bucharest, Roumania aut NATIONALLICENCE 700 1- Bîrjega R. National Institute for Lasers, Plasma and Radiation Physics, PO Box MG-36, 76900, Bucharest, Roumania aut NATIONALLICENCE 700 1- Marinescu V. INCDIE ICPE-CA, 313 Spl. Unirii, 030138, Bucharest, Roumania aut NATIONALLICENCE 700 1- Madarász J. Institute of General and Analytical Chemistry, Budapest University of Technology and Economics, Szt. Gellért tér 4, 1521, Budapest, Hungary aut NATIONALLICENCE 700 1- Pokol G. Institute of General and Analytical Chemistry, Budapest University of Technology and Economics, Szt. Gellért tér 4, 1521, Budapest, Hungary aut NATIONALLICENCE 773 0- Journal of Thermal Analysis and Calorimetry Kluwer Academic Publishers 88/1(2007-04-01), 163-169 1388-6150 88:1<163 2007 88 10973 Metadata rights reserved Springer special CC-BY-NC licence nationallicence BK010053 XK010053 XK010000 NATIONALLICENCE NATIONALLICENCE NL-springer