Threshold phenomena in photoluminescence of upconversion micro- and nanophosphors containing Er3+ and Yb3+ ions
During electron beam evaporation of green-emitting (λex = 980 nm) silicate upconversion (UC-PL) bulk phosphors Sr2Y6.8YbEr0.2Si6O26, amorphous nanoparticles of size 2.7 nm are formed. The nanoparticles are globules formed during condensation of chains consisting of SiO4 tetrahedra. When the globules...
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| Main Authors: | , , , , |
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| Format: | Article |
| Language: | English |
| Published: |
Elsevier
2024-12-01
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| Series: | Optical Materials: X |
| Subjects: | |
| Online Access: | http://www.sciencedirect.com/science/article/pii/S2590147824000755 |
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