(Sm1-x,Cax)MnO3 Ceramics with Tunable Emissivity

Abstract:

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The reversible charge ordering transition of (Sm1-x,Cax)MnO3 is associated with strong changes in electrical, magnetic and infrared properties. In this work, normal spectral emissivity is calculated from infrared reflectance of bulk polished ceramics, measured by Fourier Transform Infrared Spectroscopy (FTIR). Emissivity versus temperature shows a sharp transition at the charge ordering transition. By comparing the apparent temperature of the sample with the absolute temperature, we show that (Sm1-x,Cax)MnO3 is a good candidate for infrared furtivity around room temperature.

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Periodical:

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Edited by:

Pietro VINCENZINI and Giancarlo RIGHINI

Pages:

13-17

DOI:

10.4028/www.scientific.net/AST.55.13

Citation:

P. Laffez et al., " (Sm1-x,Cax)MnO3 Ceramics with Tunable Emissivity", Advances in Science and Technology, Vol. 55, pp. 13-17, 2008

Online since:

September 2008

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$35.00

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