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Proceedings Paper

Synthesis of Y2O3-MgO nanopowder and infrared transmission of the sintered nanocomposite
Author(s): DongTao Jiang; Amiya K. Mukherjee
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Paper Abstract

A sol-gel method was successfully used to synthesize Y2O3-MgO composite powder with a grain size below 30nm. Results from X-ray diffraction revealed how the microstructure evolved with increasing heat treating temperature. Taking advantage of high heating rate, spark plasma sintering (SPS) technique was used to sinter the nanopowder, resulting in a fully dense nanocomposite with grain size below 100nm. The transmittance can be enhanced by optimizing sintering parameters as well as appropriate post-sinter annealing. The fully consolidated nanocomposite exhibits an optical transmittance between 75% and 84% over infrared wavelength range between 3μm and 6μm. This kind of nanocomposite has a great potential to be used as infrared transparent material.

Paper Details

Date Published: 4 September 2008
PDF: 6 pages
Proc. SPIE 7030, Nanophotonic Materials V, 703007 (4 September 2008); doi: 10.1117/12.795472
Show Author Affiliations
DongTao Jiang, Univ. of California, Davis (United States)
Amiya K. Mukherjee, Univ. of California, Davis (United States)

Published in SPIE Proceedings Vol. 7030:
Nanophotonic Materials V
Zeno Gaburro; Stefano Cabrini; Dmitri Talapin, Editor(s)

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