NdCoO3 perovskite as possible candidate for CO-sensors: thin films synthesis and sensing properties (Articolo in rivista)

Type
Label
  • NdCoO3 perovskite as possible candidate for CO-sensors: thin films synthesis and sensing properties (Articolo in rivista) (literal)
Anno
  • 2005-01-01T00:00:00+01:00 (literal)
Alternative label
  • Malavasi L., Tealdi C., Flor G., Chiodelli G., Cervetto V., Montenero A., Borella M. (2005)
    NdCoO3 perovskite as possible candidate for CO-sensors: thin films synthesis and sensing properties
    (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori
  • Malavasi L., Tealdi C., Flor G., Chiodelli G., Cervetto V., Montenero A., Borella M. (literal)
Pagina inizio
  • 407 (literal)
Pagina fine
  • 411 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#numeroVolume
  • 105 (literal)
Note
  • ISI Web of Science (WOS) (literal)
Titolo
  • NdCoO3 perovskite as possible candidate for CO-sensors: thin films synthesis and sensing properties (literal)
Abstract
  • In this paper the preparation of neodymium cobaltite (NdCoO3) thin films by means of rf-magnetron sputtering is presented. The sensing properties towards the CO were analyzed by following the resistivity response when changing the gas composition from air to air with CO. Measurements have shown a good response in the temperature range between 250 and 400 æC for CO concentration until 1000 ppm. Measurable resistance changes are accomplished within few minutes after gas switch. The optimal working temperature was found to be around 300 C by taking into account the amount of resistance variation and the time required to achieve an easily measurable response for different temperatures and CO concentrations. In order to explain the results obtained, a possible model for the NCO response mechanism towards CO is presented. (literal)
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