Synthesis by Combustion Reaction of the System Zn_0,6Fe_0,4O for Application as DMS: Avaliation of the Type of Container

Abstract:

This paper proposes to investigate the influence of the type of container on the structure, morphology and measures magnetic nanoparticles of the Zn_0.6Fe_0.4O synthesized by combustion reaction, for use as diluted magnetic semiconductors (DMSs). For synthesis were used as containers stainless crucibles and porcelain. The heating was realized in a muffle furnace at 500 °C. During the reactions, were performed measurements of the maximum temperature and total time of combustion reaction. The synthesized samples were characterized by XRD, SEM and magnetic measurements. The maximum temperatures obtained were 478 and 456 °C and total reaction time of 285 and 195 s for the samples synthesized in the crucible of stainless steel and porcelain, respectively. In both containers were possible to obtain single phase material with average crystallite size of 26 to 37 nm, irregular agglomerates formed by, behavior ferrimagnetic whose, saturation magnetization values of 1.6 e 2.0 emu/g respectively.

• Periodical: Materials Science Forum (Volumes 798-799)
• Pages: 396-401
• DOI: https://doi.org/10.4028/www.scientific.net/MSF.798-799.396
• Online since: June 2014
• Authors: Lucius Vinicius Rocha Machado*, Diogenes M.P. Souza, Nilman D.S. Gomes, Manoel Ribeiro da Silva, Lucilene F. Mouzinho, Ana Cristina Figueredo Melo Costa
• Keywords: Combustion Reaction, Diluted Magnetic Semiconductors, Zinc Oxide

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