S. Turrell
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View article: Optical Gain in Eu-Doped Hybrid Nanocrystals Embedded SiO2-HfO2-ZnO Ternary Glass-Ceramic Waveguides
Optical Gain in Eu-Doped Hybrid Nanocrystals Embedded SiO2-HfO2-ZnO Ternary Glass-Ceramic Waveguides Open
Rare-earth doped transparent glass-ceramic waveguides are playing a very crucial role in integrated optics. We fabricated ZnO-HfO2 hybrid nanocrystals embedded with 70 SiO2–(30-x) HfO2–x ZnO (x = 0, 2, 5 and 7 mol %) ternary transparent gl…
View article: Luminescent Ink Based on Upconversion of NaYF4:Er,Yb@MA Nanoparticles: Environmental Friendly Synthesis and Structural and Spectroscopic Assessment
Luminescent Ink Based on Upconversion of NaYF4:Er,Yb@MA Nanoparticles: Environmental Friendly Synthesis and Structural and Spectroscopic Assessment Open
NaYF4:Er,Yb upconversion luminescent nanoparticles (UCNPs) were prepared by hydrothermal methods at 180 °C for 24 h. The X-ray diffraction (XRD) and TEM (transmission electron microscopy) images show that the resulting 60 nm UCNPs possess …
View article: Photonic glass-ceramics: consolidated outcomes and prospects
Photonic glass-ceramics: consolidated outcomes and prospects Open
Transparent glass-ceramics are nanocomposite materials which offer specific characteristics of capital importance in photonics. This kind of two-phase materials is constituted by nanocrystals embedded in a glass matrix and the respective c…