Archive: 2009 - Moldavian Journal of the Physical Sciences

05 Feb 2009

2009
V. 8
1
(p.23 - 30)

Luminescence properties of Europium and Terbium doubly activated yttrium Niobium/ Tantalate Phosphors under X-ray excitation

Authors:

Nazarov, Mihail; Arellano, I.; Autor, Nou

Summary:

Yttrium tantalate, yttrium niobium-tantalate, and yttrium niobate doubly doped by Eu3 and Tb3 were investigated using X-ray diffraction and X-ray excitation luminescence in order to study their structural and luminescent properties. By means of X-ray diffraction, the crystallographic data for YTaO4, Y(TaNb)O4, and YNbO4 with double activation by Eu3 and Tb3 was first calculated. Under X-ray excitation luminescence, the rare earth emission centers can contribute to the overall luminescence. The simultaneous incorporation of Eu3 and Tb3 ions could permit us to obtain different luminescence colors on the entire visible spectrum. Due to their various luminescence chromaticities, the proposed rare earth activated phosphors are promising materials for optoelectronics as well as for X-ray intensifying screens for medical diagnosis providing the broad variation of photoluminescence colors from blue-to-green to yellow-to-red.

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<meta name="citation_author" content="Nazarov, Mihail">
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BibTeX

@article{ibn_4007,
author = {Nazarov, M.V. and Arellano, I.D. and Autor, N.},
title = {<p>Luminescence properties of Europium and Terbium doubly activated yttrium Niobium/ Tantalate Phosphors under X-ray excitation</p>},
journal = {Moldavian Journal of the Physical Sciences},
year = {2009},
volume = {8 (1)},
pages = {23-30},
month = {Feb},
abstract = {(EN) Yttrium tantalate, yttrium niobium-tantalate, and yttrium niobate doubly doped by Eu3 

and Tb3  were investigated using X-ray diffraction and X-ray excitation luminescence in order 
to study their structural and luminescent properties. By means of X-ray diffraction, the crystallographic data for YTaO4, Y(TaNb)O4, and YNbO4 with double activation by Eu3 
 and Tb3  
was first calculated. Under X-ray excitation luminescence, the rare earth emission centers can 
contribute to the overall luminescence. The simultaneous incorporation of Eu3 
 and Tb3 
 ions 
could permit us to obtain different luminescence colors on the entire visible spectrum. Due to 
their various luminescence chromaticities, the proposed  rare earth activated phosphors are 
promising materials for optoelectronics as well as for X-ray intensifying screens for medical 
diagnosis providing the broad variation of photoluminescence colors from blue-to-green to 
yellow-to-red. },
url = {https://ibn.idsi.md/vizualizare_articol/4007},
}

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to study their structural and luminescent properties. By means of X-ray diffraction, the crystallographic data for YTaO4, Y(TaNb)O4, and YNbO4 with double activation by Eu3 
 and Tb3  
was first calculated. Under X-ray excitation luminescence, the rare earth emission centers can 
contribute to the overall luminescence. The simultaneous incorporation of Eu3 
 and Tb3 
 ions 
could permit us to obtain different luminescence colors on the entire visible spectrum. Due to 
their various luminescence chromaticities, the proposed  rare earth activated phosphors are 
promising materials for optoelectronics as well as for X-ray intensifying screens for medical 
diagnosis providing the broad variation of photoluminescence colors from blue-to-green to 
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Dublin Core

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<dc:description xml:lang='en'>Yttrium tantalate, yttrium niobium-tantalate, and yttrium niobate doubly doped by Eu3 

and Tb3  were investigated using X-ray diffraction and X-ray excitation luminescence in order 
to study their structural and luminescent properties. By means of X-ray diffraction, the crystallographic data for YTaO4, Y(TaNb)O4, and YNbO4 with double activation by Eu3 
 and Tb3  
was first calculated. Under X-ray excitation luminescence, the rare earth emission centers can 
contribute to the overall luminescence. The simultaneous incorporation of Eu3 
 and Tb3 
 ions 
could permit us to obtain different luminescence colors on the entire visible spectrum. Due to 
their various luminescence chromaticities, the proposed  rare earth activated phosphors are 
promising materials for optoelectronics as well as for X-ray intensifying screens for medical 
diagnosis providing the broad variation of photoluminescence colors from blue-to-green to 
yellow-to-red. </dc:description>
<dc:source>Moldavian Journal of the Physical Sciences 8 (1) 23-30</dc:source>
<dc:title><p>Luminescence properties of Europium and Terbium doubly activated yttrium Niobium/ Tantalate Phosphors under X-ray excitation</p></dc:title>
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“ ... ”

SM ISO690:2012

NAZAROV, Michael V.; ARELLANO, I.; AUTOR, Nou. Luminescence properties of Europium and Terbium doubly activated yttrium Niobium/ Tantalate Phosphors under X-ray excitation. In: Moldavian Journal of the Physical Sciences. 2009, nr. 1(8), pp. 23-30. ISSN 1810-648X.