Abstract
In the present work we have synthesized nanocrystalline magnesium ferrite powders using an economic wet chemical synthesis route. The phase formation behaviour, microstructure evolution and surface area of the synthesized powder have been investigated using infrared spectroscopy in conjunction with X-ray diffraction, electron microscopy and Brunauer-Emmett-Teller (BET) adsorption isotherm analyses. The structural characteristics of these ferrite powders are correlated with their room temperature magnetic properties. These low temperature synthesized magnesium ferrite nanoparticles are investigated in terms of hydrogen and carbon monoxide gas sensing properties. A gas sensing reactor, equipped with automated gas flow controllers and data acquisition system, are used to evaluate the gas sensing characteristics of the synthesized materials under dynamic flow of gases.
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