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Crystalline phase of Y_2O_3 :Eu particles generated in a substrate-free flame process
Authors:Bing Guo a  Hoon Yim a  Wonjoong Hwang a  Matt Nowell b  Zhiping Luo c a
Affiliation:Bing Guo a,Hoon Yim a,Wonjoong Hwang a,Matt Nowell b,Zhiping Luo c a Department of Mechanical Engineering,Texas A&M University,College Station,TX 77843,USA b EDAX-TSL,EDAX Inc.,Draper,UT 84020,USA c Microscopy and Imaging Center,USA
Abstract:In this study, factors affecting the crystal structure of flame-synthesized Y 2 O 3 :Eu particles were inves- tigated, especially the particle size effect and its interaction with Eu doping concentration. Polydisperse Y 2 O 3 :Eu (size range 200 nm to 3 m) powder samples with Eu doping concentrations from 2.5 mol% to 25 mol% were generated in either H 2 /air or H 2 /O 2 substrate-free flames. The crystal structure of the powder samples was determined by powder X-ray diffraction (XRD), which was complemented...
Keywords:Flame synthesis Aerosol Size effect Crystal structure Y2O3:Eu Particles  
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