2022
DOI: 10.1016/j.optmat.2022.113118
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Down-conversion based Tm3+:LiY1-XYbXF4 temperature sensors

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Cited by 6 publications
(4 citation statements)
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“…These results are comparable to one of the main competitor Nd 3+ , Yb 3+ :LiLaP4O12 (0.1-0.3%•K −1 ) [15]. In the case of Tm 3+ /Yb 3+ down-conversion system operating in the biological window, the obtained Sr values also exceed the results obtained in [22]. It also should be noted, that the maximum Sr values are observed in the 80-150 K range.…”
Section: Temperature Dependent Spectral-kinetic Characterization Of D...supporting
confidence: 76%
“…These results are comparable to one of the main competitor Nd 3+ , Yb 3+ :LiLaP4O12 (0.1-0.3%•K −1 ) [15]. In the case of Tm 3+ /Yb 3+ down-conversion system operating in the biological window, the obtained Sr values also exceed the results obtained in [22]. It also should be noted, that the maximum Sr values are observed in the 80-150 K range.…”
Section: Temperature Dependent Spectral-kinetic Characterization Of D...supporting
confidence: 76%
“…Indeed, the work [24] estimated time resonant cross-relaxation between Tm 3+ ions from 8 µs (at 1.0% concentration) to 30 µs (at 4.0 % concentration). The contribution of faster cross-relaxation process in population of 4 F 3/2 level increased with the increase in Yb 3+ that led to rising-time shortening. Figure 5b shows the luminescence decay time at an excitation wavelength of 520 nm as a function of Yb 3+ concentration.…”
Section: Resultsmentioning
confidence: 93%
“…Indeed, in order to confirm the presence of radiative and nonradiative transitions, we detected the luminescence spectrum of Nd 3+ (0.3 mol.%) Yb 3+ (2 mol.%):LiYF4 phosphors in the slightly broader (spectral range 710-1100 nm) spectral range under 355 nm excitation (Figure 3). According to the literature data [5], there were two peaks at ~740 and 800 nm that were interpreted as transitions from the upper 4 D5/2 and 4 P3/2 levels to 4 FJ of Nd 3+ . Hence, the 4 FJ levels were populated via these radiative transitions.…”
Section: Resultsmentioning
confidence: 99%
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