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Vol. 10 No. 1.0 (2021)
Scholar : National School of Leadership

Research Articles

Infrared Transmittance of Nanostructured Pr0.1Y1.9O3 Synthesized by a Modified Combustion Technique

Published 2021-06-30

  • JIJIMON K THOMAS
    • ,
  • Deenu
    • ,
  • SWAPNA Y.V

JIJIMON K THOMAS
MAR IVANIOS COLLEGE

Deenu
MAR IVANIOS COLLEGE

SWAPNA Y.V
MAR IVANIOS COLLEGE

Abstract

Infrared transparent ceramics found applications in infrared transparent domes and windows. Sintering of transparent ceramics without any deterioration in the transmittance and mechanical properties is a major challenge in the fabrication of transparent windows.  In the present work a modified combustion synthesis was effectively utilised to synthesise nanostructured Pr0.1Y1.9O3. By conventional heating the sample was sintered to 98.2% of the theoretical density at 1550 oC for a soaking duration of two hours without the application of pressure or sintering additives. The sintered sample showed a transmittance of 66% in the mid IR region. The remarkable transmittance property of the sample  can effectively be used in  the fabrication of high quality infrared transparent windows.

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