DocumentCode
1517473
Title
Growth and Luminescence of M-Type 
and Tb: Scintillation Si
Author
Liu, Wenpeng ; Zhang, Qingli ; Zhou, Wenlong ; Gu, Changjiang ; Yin, Shaotang
Author_Institution
Anhui Inst. of Opt. & Fine Mech., Chinese Acad. of Sci., Hefei, China
Volume
57
Issue
3
fYear
2010
fDate
6/1/2010 12:00:00 AM
Firstpage
1287
Lastpage
1290
Abstract
M-type GdTaO4 and Tb:GdTaO4 bulk single crystals were first grown by Czochralski method. Transmission, excitation, emission spectra and luminescence decay curves of them were measured. The refractive indices of GdTaO4 were calculated with its transmission spectrum and fitted with Sellmeier equation. GdTaO4 shows Gd3+ absorption and defect luminescence, Tb3+ exhibits its typical absorption and luminescence in GdTaO4. The luminescence decay times of GdTaO4 and Tb:GdTaO4 were also determined by fitting luminescence decay curves with single-exponential function.
Keywords
crystal growth from melt; defect absorption spectra; gadolinium compounds; infrared spectra; light transmission; luminescence; phosphors; refractive index; scintillation; terbium; ultraviolet spectra; visible spectra; Czochralski growth; GdTaO4:Tb; M-type bulk scintillation single crystals; Sellmeier equation; absorption spectra; defect luminescence; emission spectra; excitation spectra; luminescence decay curves; luminescence decay times; refractive index; single exponential function; transmission spectra; Absorption; Crystalline materials; Crystals; Curve fitting; Equations; Luminescence; Optical refraction; Optical variables control; Phosphors; Raw materials; ${rm GdTaO}_{4}$ ; luminescence; refractive index; scintillator;
fLanguage
English
Journal_Title
Nuclear Science, IEEE Transactions on
Publisher
ieee
ISSN
0018-9499
Type
jour
DOI
10.1109/TNS.2009.2037320
Filename
5485079
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