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The magnetic oxide semiconducting ceramics as gas sensor

N. IFTIMIE1,* , E. REZLESCU2, P. D. POPA2, N. REZLESCU2

Affiliation

  1. University “Al.I. Cuza” , B-dul Carol I ,11 , 700506, Iasi, Romania
  2. Institute of Technical Physics, Magnetic Oxides Laboratory, B-dul Mangeron 47, 700050, Iasi, Romania

Abstract

Magnesium ferrite doped with manganese, a n–type semiconducting oxide with an inverse spinel structure has been used as a gas sensor to sensitivity detection gases. The samples were obtained by selfcombustion method. Scanning electron microscopy (SEM) was used to investigate the morphology and pore structure of the sensing ferrite. Further, the sensing sample were characterized by X-ray diffraction (XRD) to identify the changes in their crystallographyc structures. The relation between structure of the films and gas sensitivity is discussed..

Keywords

Ceramics, Magnetic oxide, Gas sensor.

Submitted at: March 15, 2006
Accepted at: May 18, 2006

Citation

N. IFTIMIE, E. REZLESCU, P. D. POPA, N. REZLESCU, The magnetic oxide semiconducting ceramics as gas sensor, Journal of Optoelectronics and Advanced Materials Vol. 8, Iss. 3, pp. 1001-1003 (2006)