期刊
JOURNAL OF MOLECULAR STRUCTURE
卷 1202, 期 -, 页码 -出版社
ELSEVIER
DOI: 10.1016/j.molstruc.2019.127363
关键词
Modified sol-gel method; Yttrium aluminum monoclinic (YAM); Y4Al2O9; Silver nanoparticles
A modified sol-gel synthesis was used to produce powders of yttrium aluminum monoclinic Y4Al2O9 (YAM) doped with 1 at% of Nd3+ ions. This was followed by surface modification using dispersed Ag metallic nanoparticles (AgNPs) in a concentration of n = 1, 2 and 3 wt%. The structure of the prepared composites was characterized using X-ray diffraction patterns (XRD), scanning electron microscopy (SEM), absorption, Raman and emission measurements. To the best of our knowledge, we present for the first time far IR spectrum of the family of RE4Al2O9 (RE: rare earth ions) compounds. The measurements confirm the purity of the obtained polycrystals. (C) 2019 Elsevier B.V. All rights reserved.
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