Thermal sensors based on ytterbium-erbium doped nano-glassceramics
Lead-fluoride nano-glassceramics doped with ytterbium and erbium have been developed and synthesized. The influence of heating on the green up-conversion luminescence of erbium has been experimentally investigated. Nano-glassceramics are promising candidates for temperature sensors.
Photonic, Plasmonic, Fluidic, and Luminescent Devices Based on New Polyfunctional Photo-Thermo-Refractive Glass
Fluoride Photo-Thermo-Refractive (PTR) glasses are very promising materials for recording Bragg gratings for different laser applications. Design and fabrication of novel chloride and bromide PTR glasses will be discussed. It was shown that various technologies as photo-thermo-induced crystallization, holograms recording, laser treatment, ion exchange, and chemical etching can be used for the cases of the fluoride, chloride and bromide PTR glasses, the so called polyfunctional. It is shown that polyfunctional PTR glasses can be used for the creation of novel optical elements and devices like holographic volume Bragg gratings, optical, luminescent and plasmonic waveguides, hollow structures, thermo-and biosensors, phosphors for LEDs, down-converters for solar cells have been designed and fabricated based on these new polyfunctional PTR glass.
Electrical characteristics of a stacked nitride/microcrystalline‐silicon/oxide/silicon structure
This letter reports a stacked nitride/microcrystalline‐silicon/oxide/silicon structure, which exhibits a higher electron injection efficiency, a less electron trapping rate, and a larger charge to breakdown than the normal oxide. Besides, the room‐temperature resonant tunneling effect is also observed for this structure.