caa a22 4500 467926964 CHVBK 20180406152932.0 cr unu---uuuuu 170328e20060401xx s 000 0 eng 10.1134/S002016850604008X doi (NATIONALLICENCE)springer-10.1134/S002016850604008X Superparamagnetic γ-Fe2O3 nanoclusters in silicate matrices [Elektronische Daten] [Yu. Maksimov, I. Suzdalev, V. Ikorskii, O. Ellert, V. Novotortsev, M. Tsodikov, J. Navio] Superparamagnetic γ-Fe2O3 nanoclusters have been synthesized on the surfaces of activated layered silica (ALS) and activated mesoporous silica gel (AMS). According to 300-K Mössbauer spectroscopy data and magnetization measurements between 2 and 300 K, the size of the γ-Fe2O3 nanoclusters increases from 2-3 to s~6-8 nm as the Fe content of ALS increases from 2.5 and 4.5 to 18.5 wt %. The 2.5 wt % Fe/ALS sample contains superparamagnetic γ-Fe2O3 nanoclusters uniform in size and magnetic properties. The nanoclusters produced on the AMS surface are larger and are nonuniform in magnetic properties. Pleiades Publishing, Inc., 2006 Maksimov Yu Semenov Institute of Chemical Physics, Russian Academy of Sciences, ul. Kosygina 4, 119991, Moscow, Russia aut Suzdalev I. Semenov Institute of Chemical Physics, Russian Academy of Sciences, ul. Kosygina 4, 119991, Moscow, Russia aut Ikorskii V. International Tomography Center, Siberian Division, Russian Academy of Sciences, Institutskaya ul. 3a, 630090, Novosibirsk, Russia aut Ellert O. Kurnakov Institute of General and Inorganic Chemistry, Russian Academy of Sciences, Leninskii pr. 31, 119991, Moscow, Russia aut Novotortsev V. Kurnakov Institute of General and Inorganic Chemistry, Russian Academy of Sciences, Leninskii pr. 31, 119991, Moscow, Russia aut Tsodikov M. Topchiev Institute of Petrochemical Synthesis, Russian Academy of Sciences, Leninskii pr. 29, 119991, Moscow, Russia aut Navio J. Instituto de Ciencia de Materiales de Sevilla, Centro Mixto CSIC-Universidad de Sevilla, and Dpto. de Quimica Inorganica, Universidad de Sevilla, 41092, Sevilla, Spain aut Inorganic Materials Nauka/Interperiodica 42/4(2006-04-01), 377-380 0020-1685 42:4<377 2006 42 10789 https://doi.org/10.1134/S002016850604008X text/html Onlinezugriff via DOI 1 research-article jats NATIONALLICENCE 856 40 https://doi.org/10.1134/S002016850604008X text/html Onlinezugriff via DOI NATIONALLICENCE 700 1- Maksimov Yu Semenov Institute of Chemical Physics, Russian Academy of Sciences, ul. Kosygina 4, 119991, Moscow, Russia aut NATIONALLICENCE 700 1- Suzdalev I. Semenov Institute of Chemical Physics, Russian Academy of Sciences, ul. Kosygina 4, 119991, Moscow, Russia aut NATIONALLICENCE 700 1- Ikorskii V. International Tomography Center, Siberian Division, Russian Academy of Sciences, Institutskaya ul. 3a, 630090, Novosibirsk, Russia aut NATIONALLICENCE 700 1- Ellert O. Kurnakov Institute of General and Inorganic Chemistry, Russian Academy of Sciences, Leninskii pr. 31, 119991, Moscow, Russia aut NATIONALLICENCE 700 1- Novotortsev V. Kurnakov Institute of General and Inorganic Chemistry, Russian Academy of Sciences, Leninskii pr. 31, 119991, Moscow, Russia aut NATIONALLICENCE 700 1- Tsodikov M. Topchiev Institute of Petrochemical Synthesis, Russian Academy of Sciences, Leninskii pr. 29, 119991, Moscow, Russia aut NATIONALLICENCE 700 1- Navio J. Instituto de Ciencia de Materiales de Sevilla, Centro Mixto CSIC-Universidad de Sevilla, and Dpto. de Quimica Inorganica, Universidad de Sevilla, 41092, Sevilla, Spain aut NATIONALLICENCE 773 0- Inorganic Materials Nauka/Interperiodica 42/4(2006-04-01), 377-380 0020-1685 42:4<377 2006 42 10789 Metadata rights reserved Springer special CC-BY-NC licence nationallicence BK010053 XK010053 XK010000 NATIONALLICENCE NATIONALLICENCE NL-springer