72
Referências
Ahn, Y., Choi, E.J., Kim, S., Ok, H.N., “Magnetization and Mossbauer study
of cobalt ferrite particles from nanophase cobalt iron carbonate”, Mater.
Lett.
50, 47 (2001)
Airold, C.; Farias, R. F.
“O uso de sílica gel organofuncionalizada como
agente sequestrante para metais”. Química Nova, 23, 496 (2000)
Amulevicius, A., Baltrunas, A., Mazeika, D., Fannin, K., Yu. PC., Perfiliev, D.,
“A study of the magnetic properties of mixed ferrite nanoparticles in
ferrofluids”, J. Mol. Liquids, 133, 152 (2007)
Bate, G.,
“Magnetic recording materials since 1975”, J. Magn. Magn. Mater.
100, 413 (1999)
Bell R.J., Dean P, Hibbinsb. D. C.,
“Localization of normal modes in vitreous
silica, germania and beryllium fluoride” J. Phys. C, 3, 2111 (1970)
Bentivegna, F., Ferre, J., Nyvlt, M., Jamet, J.P., Imhoff, D., Canva, M., Brun. A,,
Veillet, P., Visnovsky, S., Chaput, F,, Boilot, J.P.,
“Magnetically textured
gamma-Fe
2
O
3
nanoparticles in a silica gel matrix: Structural and magnetic
properties” . J. Appl. Phys. 83, 7776 (1998)
Bersani, D., Lottici, P.P., Antonioli, G., Campani, E., Casoli, A., Violante, C.,
“Pigments and binders in the wall paintings of Santa Maria della Steccata in
Parma (Italy): the ultimate technique of Parmigianino” Journal of Raman
spectroscopy,
35, 694 (2004 )
Brinker C.J., Scherer, G.W.,
“Sol-gel science: the physics and chemistry of sol-
gel processing”, Academic Press, San Diego (1990)
Bruni, S., Cariati, F., Casu, M., Lai, A., Musinu, A., Piccaluga, G., Solinas, S.,
“IR and NMR studies of Fe
2
O
3
-SiO
2
nanocomposite prepared by sol-gel
method”, NanoStructured Materials, 11, 573 (1999)
Cannas, C., Gatteschi, D., Musinu, A., Piccalunga, G., Sangregorio, C.,
“Structural and magnetic properties of Fe
2
O
3
nanoparticles dispersed over a
silica matrix”, J. Phys. Chem. B 102 7721 (1998)
Carey, D.M., Korenowski, G.M., "
Measurement of the Raman spectrum of
liquid water”, J. Phys. Chem., 108, 2669 (1998)
Chanéac, C., Tronc E. and Jolivet ,J. P.
“Magnetic iron oxide–silica