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Advances in Materials Science and Engineering
Volume 2012, Article ID 380306, 6 pages
http://dx.doi.org/10.1155/2012/380306
Research Article

Size Effect on the Structural and Magnetic Properties of Nanosized Perovskite LaFeO3 Prepared by Different Methods

1Department of Physics, College of Education, Hue University, 34 Le Loi, Hue City, Vietnam
2Faculty of Physics, Hanoi University of Sciences, VNU, 334 Nguyen Trai, Thanh Xuan, Hanoi City, Vietnam

Received 24 April 2012; Accepted 19 June 2012

Academic Editor: David Cann

Copyright © 2012 Nguyen Thi Thuy and Dang Le Minh. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

Linked References

  1. V. Caignaert, A. Maignan, and B. Raveau, “Up to 50 000 per cent resistance variation in magnetoresistive polycrystalline perovskites Ln2/3Sr1/3MnO3 (Ln=Nd; Sm),” Solid State Communications, vol. 95, no. 6, pp. 357–359, 1995. View at Google Scholar · View at Scopus
  2. N. Gayathri, A. K. Raychaudhuri, and S. K. Tiwary, “Electrical transport, magnetism, and magnetoresistance in ferromagnetic oxides with mixed exchange interactions: a study of the La0.7Ca0.3Mn1−xCoxO3 system,” Physical Review B, vol. 56, pp. 1345–1353, 1997. View at Google Scholar
  3. H. Taguchi, M. Nagao, and M. Shimada, “Mechanism of metal-insulator transition in the systems (Ln1−xCax)MnO3−δ (Ln: La, Nd, and Gd) and (Nd0.1Ca0.9−ySry)MnO2.97,” Journal of Solid State Chemistry, vol. 97, no. 2, pp. 476–480, 1992. View at Google Scholar · View at Scopus
  4. Md. A. Choudhury, S. Akhter, D. L. Minh, N. D. Tho, and N. Chau, “Large magnetic-entropy change above room temperature in the colossal magnetoresistance La0.7Sr0.3Mn1−xNixO3 materials,” Journal of Magnetism and Magnetic Materials, vol. 272, pp. 1295–1297, 2004. View at Publisher · View at Google Scholar
  5. K. Iwasaki, T. Ito, M. Yoshino, T. Matsui, T. Nagasaki, and Y. Arita, “Power factor of La1−xSrxFeO3 and LaFe1−yNiyO3,” Journal of Alloys and Compounds, vol. 430, no. 1-2, pp. 297–301, 2007. View at Publisher · View at Google Scholar · View at Scopus
  6. M.-H. Hung, M. V. M. Rao, and D.-S. Tsai, “Microstructures and electrical properties of calcium substituted LaFeO3 as SOFC cathode,” Materials Chemistry and Physics, vol. 101, pp. 297–302, 2007. View at Publisher · View at Google Scholar
  7. D. Bayraktar, F. Clemens, S. Diethelm, T. Graule, J. Van herle, and P. Holtappels, “Production and properties of substituted LaFeO3-perovskite tubular membranes for partial oxidation of methane to syngas,” Journal of the European Ceramic Society, vol. 27, no. 6, pp. 2455–2461, 2007. View at Publisher · View at Google Scholar · View at Scopus
  8. K. Iwasaki, T. Ito, M. Yoshino et al., “Power factor of La1−xSrxFeO3 and LaFe1−yNiyO3,” Journal of Alloys and Compounds, vol. 430, pp. 297–301, 2007. View at Publisher · View at Google Scholar
  9. P. Dinka and A. S. Mukasyan, “Perovskite catalysts for the auto-reforming of sulfur containing fuels,” Journal of Power Sources, vol. 167, no. 2, pp. 472–481, 2007. View at Publisher · View at Google Scholar · View at Scopus
  10. M. Yang, A. Xu, and H. Du, “Removal of salicylic acid on perovskite-type oxide LaFeO3 catalyst in catalytic wet air oxidation process,” Journal of Hazardous Materials B, vol. 139, pp. 86–92, 2007. View at Publisher · View at Google Scholar
  11. X. P. Dai, R. J. Li, C. C. Yu, and Z. P. Hao, “Unsteady-state direct partial oxidation of methane to synthesis gas in a fixed-bed reactor using AFeO3 (A=La, Nd, Eu) perovskite-type oxides as oxygen storage,” Journal of Physical Chemistry B, vol. 110, no. 45, pp. 22525–22531, 2006. View at Publisher · View at Google Scholar · View at Scopus
  12. M. Søgaard, P. V. Hendriksen, and M. Mogensen, “Oxygen nonstoichiometry and transport properties of strontium substituted lanthanum ferrite,” Journal of Solid State Chemistry, vol. 180, no. 4, pp. 1489–1503, 2007. View at Publisher · View at Google Scholar · View at Scopus
  13. A. D. Jadhav, A. B. Gaikwad, V. Samuel, and V. Ravi, “A low temperature route to prepare LaFeO3 and LaCoO3,” Materials Letters, vol. 61, no. 10, pp. 2030–2032, 2007. View at Publisher · View at Google Scholar · View at Scopus
  14. G. Shabbir, A. H. Qureshi, and K. Saeed, “Nano-crystalline LaFeO3 powders synthesized by the citrate-gel method,” Materials Letters, vol. 60, pp. 3706–3709, 2006. View at Publisher · View at Google Scholar
  15. M. Srivastava, S. Chaubey, and A. K. Ojha, “Investigation on size dependent structural and magnetic behavior of nickel ferrite nanoparticles prepared by sol-gel and hydrothermal methods,” Materials Chemistry and Physics, vol. 118, no. 1, pp. 174–180, 2009. View at Publisher · View at Google Scholar · View at Scopus
  16. S. Komine and E. Iguchi, “Dielectric properties in LaFe0.5 Ga0.5 O3,” Journal of Physics and Chemistry of Solids, vol. 68, no. 8, pp. 1504–1507, 2007. View at Publisher · View at Google Scholar · View at Scopus
  17. A. V. Galubkov, E. V. Goncharova, V. P. Zhuze, and I. G. Manilove, “Transport mechanism in samarium sulfide,” Soviet Physics Solid State, vol. 7, no. 8, pp. 1963–1967, 1966. View at Google Scholar
  18. G. Herzer, “Grain size dependence of coercivity and permeability in nanocrystalline ferromagnets,” IEEE Transactions on Magnetics, vol. 26, no. 5, pp. 1397–1402, 1990. View at Publisher · View at Google Scholar
  19. D. Xue, G. Chai, X. Li, and X. Fan, “Effects of grain size distribution on coercivity and permeability of ferromagnets,” Journal of Magnetism and Magnetic Materials, vol. 320, no. 8, pp. 1541–1543, 2008. View at Publisher · View at Google Scholar · View at Scopus
  20. J. P. Vejpravova, D. Niznnasky, J. Plocek, A. Hutlova, and J.-L. Rehspringer, “Superparamagnetism of co-ferrite nanoparticles,” in Proceeding of Contributed Paper, Part III (WDS '05), pp. 518–523, 2005.
  21. G. F. Goya, T. S. Berquo, and F. C. Fonseca, “Static and dynamic magnetic properties of spherical magnetite nanoparticles,” Journal of Applied Physics, vol. 94, Article ID 3520, 9 pages, 2003. View at Publisher · View at Google Scholar
  22. F. C. Fonseca, A. S. Ferlauto, F. Alvarez, G. F. Goya, and R. F. Jardim, “Morphological and magnetic properties of carbon-nickel nanocomposite thin films,” Journal of Applied Physics, vol. 97, Article ID 044313, 7 pages, 2005. View at Publisher · View at Google Scholar
  23. S.-J. Lee, J.-R. Jeong, S.-C. Shin, J.-C. Kim, and J.-D. Kim, “Synthesis and characterization of superparamagnetic maghemite nanoparticles prepared by coprecipitation technique,” Journal of Magnetism and Magnetic Materials, vol. 282, no. 1–3, pp. 147–150, 2004. View at Publisher · View at Google Scholar · View at Scopus