High temperature (nano)thermometers based on LiLuF<sub>4</sub>:Er<sup>3+</sup>,Yb<sup>3+</sup> nano- and microcrystals. Confounded results for core–shell nanocrystals

Anna M. Kaczmarek, Markus Suta, Hannes Rijckaert, Thomas P. van Swieten, Isabel Van Driessche, Mariusz Kaczmarek, Andries Meijerink

Journal of Materials Chemistry C · 2021 · 66 citations · 35 references

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Abstract

Core-shell Er,Yb:LiLuF<sub>4</sub> nanocrystals were investigated for their use as high temperature thermometers. However, distribution of the dopants within the anticipatedly protective undoped shells was observed, which questions common assumptions.

References

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