Accession Number:

AD1041431

Title:

Size Determination of Y2O3 Crystallites in MgO Composite Using Mie Scattering

Descriptive Note:

Technical Report,01 Feb 2017,30 Sep 2017

Corporate Author:

US Army Research Laboratory Adelphi United States

Personal Author(s):

• Fleischman,Zackery
• Blair,Victoria
• Merkle,Larry
• Ku,Nicholas

Report Date:

2017-11-07

Pagination or Media Count:

24.0

Abstract:

A computer program was developed to calculate the Mie scattering from yttrium oxide Y2O3 crystallites embedded in a magnesium oxide MgO polycrystalline matrix. The calculation takes into account the volume fraction of Y2O3 in MgO, the average particle size, and the path length through the material to generate an expected light transmission spectrum. These calculated curves were compared to experimental transmission data obtained from prepared Y2O3MgO nanocomposite materials to determine the average Y2O3 particle size. The results were used to determine optimal growth parameters leading to minimized scattering in subsequent material part preparation.

Descriptors:

• mie scattering
• light transmission
• computer programs
• YTTRIUM OXIDES
• CRYSTALLITES
• particle size
• NANOCOMPOSITES
• lasers
• rare earth elements
• erbium
• single crystals
• hot pressing
• thermal conductivity
• electromagnetic scattering
• nanocomposites
• refractive index

Subject Categories:

• Optics

Distribution Statement:

APPROVED FOR PUBLIC RELEASE