2018
DOI: 10.1016/j.ceramint.2017.11.042
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White light emission based on both upconversion and thermal processes from Nd3+ doped yttrium silicate

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Cited by 16 publications
(14 citation statements)
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“…It has a slope of ~4 at low excitation power levels, a slope of ~1 for intermediate excitation power levels and change to ~8 at high excitation power levels. A similar behavior has been observed before with the authors suggesting a combination of thermal and avalanche effects as responsible for the unusual change in the slope. It is interesting to note that the avalanche effect alone cannot generate broadband emission, as it is not present in the sample containing 2 wt% of Nd 3+ .…”
Section: Resultssupporting
confidence: 90%
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“…It has a slope of ~4 at low excitation power levels, a slope of ~1 for intermediate excitation power levels and change to ~8 at high excitation power levels. A similar behavior has been observed before with the authors suggesting a combination of thermal and avalanche effects as responsible for the unusual change in the slope. It is interesting to note that the avalanche effect alone cannot generate broadband emission, as it is not present in the sample containing 2 wt% of Nd 3+ .…”
Section: Resultssupporting
confidence: 90%
“…The phenomenon is shown in atmospheric pressure with the 808‐nm CW excitation laser threshold around 1.3 W. This laser threshold is much lower than that reported in Ref. and the difference may be due to a series of factors such as excitation conditions, sample preparation method, doping concentration, and particle size. More importantly, we observed for the first time to the best of our knowledge that broadband emission intensity is enhanced by externally heating the sample, which also produced a lowering of the laser threshold to around 1.0 W in ambient air.…”
Section: Introductionmentioning
confidence: 56%
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