2019
DOI: 10.34218/ijaret.10.2.2019.001
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TUNING THE OPTICAL AND MECHANICAL PROPERTIES OF Y2O3 CERAMICS BY THE INCLUSION OF La3+ ION IN THE MATRIX FOR INFRARED TRANSPARENT WINDOW APPLICATIONS

Abstract: Infrared transparent windows are generally used to protect highly delicate infrared sensor circuits from the harsh environments. In the present work a combustion technique was effectively used to incorporate La 3+ ion in the yttria matrix. The crystallites were in the size limit of 20 nm. Powder characterization using X-ray diffraction, HRTEM and FTIR spectroscopy revealed that the La 3+ ions were effectively replacing the Y 3+ ion in the yttria matrix. There was a slight reduction in optical band gap with La … Show more

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