Journal
IEEE TRANSACTIONS ON MAGNETICS
Volume 57, Issue 10, Pages -Publisher
IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
DOI: 10.1109/TMAG.2021.3106121
Keywords
Cadmium-doped nickel manganese ferrite nanoparticles; gas sensitivity; N,N-dimethylformamide (DMF)
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This article presents the development of a DMF gas sensor with high selectivity using specific nanoparticles and operating temperature, achieving fast response/recovery time and low drift in response magnitude over time.
Dimethylformamide (DMF) vapor is a toxic compound that has many industrial applications. In this article, a DMF gas sensor was developed using cadmium-doped nickel manganese ferrite/cadmium oxide nanoparticles based on the co-precipitation method. A study of response/recovery characteristics in a temperature range of 50 degrees C-300 degrees C revealed that the best operating temperature is 250 degrees C. At this temperature, a fast response/recovery time and a high response magnitude were achieved. The sensor was highly selective at this temperature for DMF among other toxic gases. The sensor also showed a very low drift of less than 2% in its response magnitude over 15 days.
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