[EN] Photonic integrated circuits (PICs) fabricated on silicon nitride (SiN) wafers are witnessing a massive implementation because they can provide low-loss waveguides in a broad wavelength range (from the visible to the ...
[EN] In this study, we conducted an investigation on the Cu2ZnSnS4 (CZTS) k¿esterite compound, which is considered
an attractive material for its favorable absorption properties, making it a suitable semiconductor for ...
[EN] Compressed Natural Gas (CNG) appears as a midterm solution to conventional fuels, such as gasoline and diesel. The low carbon content and the possibility of being obtained from renewable sources (animal or agriculture ...
da Costa, Fernando Henrique; Sallica-Leva, Edwin; Mello, Mariana Gerardi; Amigó, Vicente; Caram, Rubens; Fogagnolo, Joao Batista(Elsevier, 2023-08-25)
[EN] Functional gradient materials are interesting for optimizing the properties of engineering parts. Laser surface treatment makes it possible to obtain a stiffness gradient on titanium parts; such graded material is ...
[EN] We report an extensivestudy of the optical and structural propertiesof NiWO4 combining experiments and density functional theorycalculations. We have obtained accurate information on the pressureeffect on the crystal ...