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|Title:||Yttrium aluminum garnet nanoparticles with low antisite defects studied with neutron and x-ray diffraction|
Nuclear magnetic resonance
|Publisher:||Academic Press Inc Elsevier Science|
|Citation:||Sang, Y. H., Yu, D. H., Avdeev, M., Qin, H. M., Wang, J. Y., Liu, H., & Lv, Y. H. (2012). Yttrium aluminum garnet nanoparticles with low antisite defects studied with neutron and x-ray diffraction. Journal of Solid State Chemistry, 192, 366-370. doi:10.1016/j.jssc.2012.04.034|
|Abstract:||The presence of cation antisite defects is considered to be one of the most important factors determining the fluorescence, laser, and scintillation properties of rare earth-doped yttrium aluminum garnet(YAG) materials. However, no direct evidence or systematic investigation of antisite defect evolution as a function of cation composition variation in YAG has been reported in the previous literature. In this paper, we report a combined neutron and X-ray diffraction investigation on cation antisite defects performed on specially synthesized nonstoichiometric yttrium aluminum garnet nanoparticles to try to understand the defect chemistry in the YAG system. No evidence was found for Y(Al,16a), Y(Al.24d) and Al(Y.24C) antisite defects in these specially fabricated samples within the limit of diffraction techniques. The results suggest that YAG materials containing low level or no antisite defects can be achieved through low temperature synthesis process. © 2012, Elsevier Ltd.|
|Gov't Doc #:||4602|
|Appears in Collections:||Journal Articles|
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