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Decoration of MgO nanowires with Gd2O3 nanoparticles: structure and photoluminescence properties

Title
Decoration of MgO nanowires with Gd2O3 nanoparticles: structure and photoluminescence properties
Author
김현우
Keywords
MgO; Nanorwires; Gd2O3; Sputtering
Issue Date
2015-08
Publisher
KOREAN ASSOC CRYSTAL GROWTH
Citation
JOURNAL OF CERAMIC PROCESSING RESEARCH, v. 16, NO 4, Page. 406-410
Abstract
We decorated coated Gd2O3 nanoparticles on MgO nanowires by means of Gd sputtering and subsequent thermal annealing. The samples were characterized by X-ray diffraction, scanning electron microscope (SEM), and transmission electron microscopy. The surface roughness observed by SEM was revealed to be Gd2O3 nanoparticles in terms of TEM observation. The PL spectra exhibited a 2.9 eV-peak, which originated from the MgO nanowires, and thermal annealing produced green emission at about 2.4 eV, which is directly associated with the Gd2O3 structure. An additional weak peak at 2.0 eV was found to be related to impurities in the Gd2O3 structure.
URI
http://jcpr.kbs-lab.co.kr/thesis/online_2.php?cate_idx=14&sub_cate_idx=71http://hdl.handle.net/20.500.11754/27163
ISSN
1229-9162
Appears in Collections:
COLLEGE OF ENGINEERING[S](공과대학) > MATERIALS SCIENCE AND ENGINEERING(신소재공학부) > Articles
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