|Title:||Investigation of the thermal diffusivity of thick film NTC layers obtained with the photoacoustic method||Journal:||Journal De Physique. IV : JP||Volume:||125||First page:||431||Last page:||433||Conference:||13th ICPPP International Conference on Photoacoustic and Photothermal Phenomena; Rio de Janeiro; Brazil; 5 July 2004 through 8 July 2004||Issue Date:||1-Jan-2005||Rank:||M23||ISSN:||1155-4339||DOI:||10.1051/jp4:2005125101||Abstract:||
The thermal diffusivity of thick NTC layers based on a metal oxide powder mixture was measured at room temperature by the photoacoustic (PA) frequency transmission technique. The experimental PA amplitude and phase diagrams were numerically analyzed and the thermal diffusivity and electron transport parameters were calculated.
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