Results 11 to 20 of about 89,467 (92)

Highly red luminescent stabilized tetragonal rare earth-doped HfO2 crystalline ceramics prepared by sol-gel

open access: yesOptical Materials: X, 2022
We report high incorporation of rare earth ions (RE3+) into hafnia nanoparticles prepared by the sol–gel method and investigate how these dopants affect hafnia structure and phase transformation.
Fernanda Hediger Borges   +4 more
doaj   +1 more source

Uma Contribuição do Design Emocional para o Design de Superfície: um estudo de caso da ciclovia Van Gogh-Roosegaarde

open access: yesModaPalavra e-periódico, 2018
O presente artigo aborda uma contribuição do Design Emocional para o Design de Superfície. A partir da teoria "Três Níveis de Design" proposta por Norman (2008), é conduzida uma análise da ciclovia Van Gogh-Roosegaarde, na Holanda.
Victoria de Menezes Piffero   +1 more
doaj   +5 more sources

Fluorescence Intensity Ratio‐based temperature sensor with single Nd3 + :Y2O3 nanoparticles: Experiment and theoretical modeling

open access: yesNano Select, 2021
A thermometer based on single Nd3 + :Y2O3 nanoparticles is reported. The nanothermometer relies on the ratio of thermally coupled Nd3 + emission lines accessible by either continuous‐wave upconversion under 880 nm or downconversion under 532 nm ...
Rodrigo Galvão   +3 more
doaj   +1 more source

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