1Department of Physics and Electronics, GKG College, Kolhapur 416 012, India
2Department of Physics, Smt KRP Kanya Mahavidyalaya, Islampur 416 409. India
3Department of Electronics, Shivaji University, Kolhapur 416 004, India
Adv. Mater. Lett., 2013, Current Issue, 4 (7), pp 573-576
DOI: 10.5185/amlett.2012.10430
Publication Date (Web): May 01, 2013
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E-mail: ashokgadkari@yahoo.com
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.
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