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Liquid Petrolium Gas Sensor Based On Nanocrystallite Mg0.6Cd0.4Fe2O4

A. B. Gadkari, T.J. Shinde, P.N. Vasambekar

Volume 4, Issue 7, Page 573-576 | DOI: 10.5185/amlett.2012.10430

Keywords: Sensitivity; Selectivity; response/recovery time; grain size.

Abstract: 

The Mg0.6Cd0.4Fe2O4 ferrite powder was synthesized by oxalate co-precipitation method. The crystal structure and surface morphology were examined by XRD, SEM and FT-IR techniques. The nanocrystallite Mg0.6Cd0.4Fe2O4 sensor was tested for LPG, Cl2 and C2H5OH. The sensitivity was measured at various operating temperatures in the range of 100-400oC. The sensor shows highest sensitivity at operating temperature 225oC for LPG (~ 78%). It shows good sensitivity at operating temperature of 198oC for Cl2 (~75%) and ethanol (~ 65%). The sensor exhibits a lower response and recovery time for LPG and Cl2 as compared to C2H5OH. Copyright © 2013 VBRI press.

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