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Defects on the Surface of Ti-Doped MgAl2O4 Nanophosphor

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Authors
Lim, Jaehyuk; Kim, Yongseon; Kim, Sungdae; Kim, Youngwoon; Kang, Shinhoo
Issue Date
2017-09-19
Publisher
Springer Open
Citation
Nanoscale Research Letters, 12(1):536
Abstract
Abstract
Ti-doped nano MgAl2O4 for white emission was synthesized by combustion method. Extrinsic Schottky defects, Al vacancies and Ti4+ dopant in Al sites, which are considered to be responsible for bluish-white emission, were observed by STEM on the surface of Ti-doped nano MgAl2O4 powder. The stabilities of the Schottky defect associates, (TiAl
·–VAl′′′)′′, were demonstrated by DFT calculation. The emission behavior was interpreted with these results.
ISSN
1556-276X
Language
English
URI
http://hdl.handle.net/10371/138328
DOI
https://doi.org/10.1186/s11671-017-2288-1
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College of Engineering/Engineering Practice School (공과대학/대학원)Dept. of Material Science and Engineering (재료공학부) Journal Papers (저널논문_재료공학부)
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