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ON THE POSSIBILITY OF THE USE OF A NICKEL FERRITE AS SEMICONDUCTING GAS SENSOR

N. Iftimie1,* , E. Rezlescu1, P. D. Popa1, N. Rezlescu1

Affiliation

  1. Institute of Technical Physics, Magnetic Oxides Laboratory, Iasi, Romania

Abstract

Polycrystalline nickel ferrite doped with cobalt and manganese was invetigated for gas sensing applications. The samples were obtained by selfcombustion method and were studied using powder X-ray diffraction and scanning electron microscopy. It was investigated the sensitivity of the electrical resistivity to acetone, ethanol, methane (CH4) and liquefied pertroleum gas (LPG). It is observed that the gas sensitivity depends on the temperature and the test gases to be detected..

Keywords

Gas sensor, Nickel ferrite.

Submitted at: June 8, 2004
Accepted at: March 23, 2005

Citation

N. Iftimie, E. Rezlescu, P. D. Popa, N. Rezlescu, ON THE POSSIBILITY OF THE USE OF A NICKEL FERRITE AS SEMICONDUCTING GAS SENSOR, Journal of Optoelectronics and Advanced Materials Vol. 7, Iss. 2, pp. 911-914 (2005)