1994
DOI: 10.1016/0022-2313(94)90342-5
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Luminescence properties of the Tm3+ doped silicates Y2SiO5, CaY4(SiO4)3O and SrY4(SiO4)3O

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Cited by 51 publications
(26 citation statements)
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“…Note that, the 516 nm emission cannot be assigned to a 1 D 2 → 3 H 5 transition because its intensity cannot behave as that of the 456 nm emission band. It probably originates from a higher lying Tm 3+ energy level such as 1 I 6 that we can locate approximately with other systems [24][25][26]. Interestingly, in CGS phosphors, the Tm 3+ exhibits only strongest blue emission due to 1 D 2 → 3 F 4 transition and other transition are very weak.…”
Section: Resultsmentioning
confidence: 88%
“…Note that, the 516 nm emission cannot be assigned to a 1 D 2 → 3 H 5 transition because its intensity cannot behave as that of the 456 nm emission band. It probably originates from a higher lying Tm 3+ energy level such as 1 I 6 that we can locate approximately with other systems [24][25][26]. Interestingly, in CGS phosphors, the Tm 3+ exhibits only strongest blue emission due to 1 D 2 → 3 F 4 transition and other transition are very weak.…”
Section: Resultsmentioning
confidence: 88%
“…The fluorescence intensities increase with the Tm 3+ concentration when y ≤ 1.0 but then decrease when y > 1.0. This is caused by the effect of fluorescence concentration quenching, including the crossrelaxation 3 H 4 + 3 H 6 → 3 F 4 + 3 F 4 [38]. As shown in Fig.…”
Section: Absorption Spectra and Judd-ofelt Analysismentioning
confidence: 93%
“…Dentre estes silicatos destacam-se os oxiorto-silicatos, de composição TR 2 SiO 5 , que são constituídos por dois diferentes tipos de ânions, os íons orto-silicato, SiO 4 4-, e os íons oxi, O 2-, ligados aos íons terras raras que ocupam sítios cristalográficos de baixa simetria.…”
Section: Introductionunclassified
“…No que diz respeito a sistemas laseres, a utilização de matrizes onde o íon dopante, neste caso o Er 3+ , possa substituir cátions em sítios de baixa simetria é interessante pela possibilidade de haver aumento das forças de oscilador das transições e portanto obter-se maiores probabilidades de transição 4 . Neste sentido, tem-se estudado as propriedades espectroscópicas de Er 3+ nos dois sítios cristalográficos do Y 2 SiO 5 monoclínico, grupo espacial B2/b 2 .…”
Section: Introductionunclassified
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