Microwave-assisted combustion synthesis of CoFe 2O 4 with urea, and its magnetic characterization

N. Kasapoğlu; A. Baykal; Y. Köseoğlu; M.S. Toprak

doi:10.1016/j.scriptamat.2007.04.042

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Microwave-assisted combustion synthesis of CoFe 2O 4 with urea, and its magnetic characterization

Journal article

Peer reviewed

Microwave-assisted combustion synthesis of CoFe 2O 4 with urea, and its magnetic characterization

N. Kasapoğlu, A. Baykal, Y. Köseoğlu and M.S. Toprak

Scripta materialia, Vol.57(5), pp.441-444

2007

DOI: https://doi.org/10.1016/j.scriptamat.2007.04.042

Abstract

Annealing

Coercivity

Nanocrystalline materials

SEM

X-ray diffraction (XRD)

A microwave-assisted combustion method has been utilized to prepare nanophased powders of CoFe 2O 4 using urea as fuel. The process takes only a few minutes to obtain as-received CoFe 2O 4. Structural and magnetic properties of the products were investigated by X-ray diffraction, scanning electron microscopy, Fourier transform infrared spectroscopy and vibrating sample magnetometry. Magnetization measurements showed that, at the lowest temperature investigated, the coercivity of Co–ferrite is much larger than that of bulk and this is attributed to exchange anisotropy due to spin disorder at the particle surface.

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Title: Microwave-assisted combustion synthesis of CoFe 2O 4 with urea, and its magnetic characterization
Creators - without role: N. Kasapoğlu - Fatih University
A. Baykal - Fatih University
Y. Köseoğlu - Fatih University
M.S. Toprak - University of California, Santa Barbara
Publication Details: Scripta materialia, Vol.57(5), pp.441-444
Publisher: Elsevier Ltd
Identifiers: 9915162008331
Academic Unit: Imam Abdulrahman Bin Faisal University
Language: English
Resource Type: Journal article