NDLI: Rapid calcination of ferrite Ni$_{0.75}$Zn$_{0.25}$Fe$_{2}$O$

Content Provider	Springer Nature Link
Author	Assis, R. B. Bomio, M. R. D. Nascimento, R. M. Paskocimas, C. A. Longo, E. Motta, F. V.
Copyright Year	2014
Abstract	Ferrites Ni$_{0.75}$Zn$_{0.25}$Fe$_{2}$O$_{4}$ were obtained by polymeric precursor method and calcined in a short time with microwave energy to assess the morphological and microstructural characteristics. Samples were calcined at 500, 650, 800, and 950 °C for 30 min in a microwave oven. The resulting powders were characterized by thermal analysis (TG/DSC), X-ray diffraction (XRD), Fourier transform infrared spectrometer, field-emission gun scanning electron microscope (FEG-SEM), and energy-dispersive X-ray spectroscopy. The XRD results showed the formation of single ferrite phase at temperature of 500 °C for 30 min. The FEG-SEM analysis showed agglomerated particles with formation of non-dense longitudinal plates, with interparticle porosity and agglomerated fine particles. The rapid calcination by microwave energy demonstrated satisfactory results in relatively low temperature of 500 °C for 30 min and appeared to be a promising technique for obtaining nickel–zinc ferrite powders.
Starting Page	277
Ending Page	285
Page Count	9
File Format	PDF
ISSN	13886150
Journal	Journal of thermal analysis
Volume Number	118
Issue Number	1
e-ISSN	15882926
Language	English
Publisher	Springer Netherlands
Publisher Date	2014-08-02
Publisher Place	Dordrecht
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Ni–Zn ferrite Spinel Polymeric precursors Rapid calcinations Microwave Physical Chemistry Analytical Chemistry Polymer Sciences Inorganic Chemistry Measurement Science and Instrumentation
Content Type	Text
Resource Type	Article
Subject	Physical and Theoretical Chemistry Condensed Matter Physics

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