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. (2006) La0.7Sr0.3MnO3 nanoparticles coated with fatty amine Applied Physics Letters, 89 (2). 023107_1-023107_3. ISSN 0003-6951
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Official URL: http://link.aip.org/link/applab/v89/i2/p023107/s1
Related URL: http://dx.doi.org/10.1063/1.2210080
Abstract
We report on the synthesis of La0.7Sr0.3MnO3 (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.
| Item Type: | Article |
|---|---|
| Source: | Copyright of this article belongs to American Institute of Physics. |
| Keywords: | Lanthanum Compounds; Strontium Compounds; Nanoparticles; Particle Size; Coating Techniques; Curie Temperature; Fourier Transform Spectra; Infrared Spectra; Coercive Force |
| ID Code: | 47258 |
| Deposited On: | 07 Jul 2011 05:39 |
| Last Modified: | 06 Jul 2012 08:18 |
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