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YAG:Tb@YAG:Pr Single Crystalline Dual‐Layer Phosphor. An Alternative Approach to Multimodal Wide Range Luminescence Thermometry
Autorzy
Rok wydania
2024
Czasopismo
Numer woluminu
12
Strony
2303284/1-2303284/17
DOI
10.1002/adom.202303284
Kolekcja
Język
Angielski
Typ publikacji
Artykuł
The SC-YAG:Tb@YAG:Pr-SCF composite epitaxial structure consisting of a 1 mm thick single crystal substrate of YAG:Tb garnet and a thin (9 µm) single crystalline film of YAG:Pr garnet is fabricated, and its luminescent properties are examined toward luminescence thermometry. The possibility to efficiently excite, individually or simultaneously, the Tb3+ and Pr3+ dopants by their intense allowed 4f→5d transitions is executed to reach relative thermal sensitivity higher than 1% K−1 over the range of temperatures as wide as 100–625 K and above 0.5% K−1 over 13–650 K. The obtained results demonstrate that using intra- and inter-configurational emission transitions of Pr3+ and other lanthanides makes it possible to design wide-range luminescence thermometers with high sensitivity spanning the entire operating limits.
Słowa kluczowe
composite thermometer, monocrystalline dual-layer phosphor, multimodal luminescence thermometry, Pr3+ luminescence, Tb3+ luminescence, YAG
Adres publiczny
http://dx.doi.org/10.1002/adom.202303284
Strona internetowa wydawcy
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