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La 0.7 Sr 0.3 Mn O 3 nanoparticles coated with fatty amine

We report on the synthesis of La 0.7 Sr 0.3 Mn O 3 (LSMO) nanoparticles having perovskite structure and particle size of the order of 30 nm . The process involves citrate-gel synthesis, size filtering, and surface coating with a shell of octadecyl amine (ODA) using electrostatic interaction-assisted...

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Published in:Applied physics letters 2006-07, Vol.89 (2), p.023107-023107-3
Main Authors: Rajagopal, Rajashree, Mona, J., Kale, S. N., Bala, Tanushree, Pasricha, Renu, Poddar, P., Sastry, M., Prasad, B. L. V., Kundaliya, Darshan C., Ogale, S. B.
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creator Rajagopal, Rajashree
Mona, J.
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Ogale, S. B.
description We report on the synthesis of La 0.7 Sr 0.3 Mn O 3 (LSMO) nanoparticles having perovskite structure and particle size of the order of 30 nm . The process involves citrate-gel synthesis, size filtering, and surface coating with a shell of octadecyl amine (ODA) using electrostatic interaction-assisted novel chemical route. Magnetic measurements show the Curie temperature of ∼ 360 K establishing the desired stoichiometry and phase. Fourier transform infrared studies bring out that the amine group of ODA interacts with the LSMO surface. Refluidization yields uniform redispersion of the coated and dried powder.
doi_str_mv 10.1063/1.2210080
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title La 0.7 Sr 0.3 Mn O 3 nanoparticles coated with fatty amine
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