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Proceedings Paper

Sol-gel preparation and characterization of transparent GdTaO4: Eu3+ thick films
Author(s): Kun Han; Mu Gu; Xiaolin Liu; Chen Ni; Shiming Huang; Bo Liu
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Paper Abstract

Transparent luminescent films have been believed to have the potential applications in high spatial resolution X-ray imaging system. However, it is usually restricted by the thickness of the film. Instead of alkoxide, GdTaO4:Eu3+ film with a thickness of about 0.8 μm was prepared from an inorganic salt-2-methoxyethanol solution containing polyvinylpyrrolidone (PVP) as an additive via single-step spin coating. The whole process was carried out without inert atmosphere which is necessary for alkoxides. The fired film is optically transparent and crack-free, and exhibits a strong luminescence at 611 nm under X-ray excitation.

Paper Details

Date Published: 11 March 2008
PDF: 4 pages
Proc. SPIE 6984, Sixth International Conference on Thin Film Physics and Applications, 69841E (11 March 2008); doi: 10.1117/12.792574
Show Author Affiliations
Kun Han, Tongji Univ. (China)
Mu Gu, Tongji Univ. (China)
Xiaolin Liu, Tongji Univ. (China)
Chen Ni, Tongji Univ. (China)
Shiming Huang, Tongji Univ. (China)
Bo Liu, Tongji Univ. (China)

Published in SPIE Proceedings Vol. 6984:
Sixth International Conference on Thin Film Physics and Applications
Wenzhong Shen; Junhao Chu, Editor(s)

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