1,721,107 research outputs found
Integrated bottom-up and top-down soft lithographies and microfabrication approaches to multifunctional polymers
No full textEnhancement of the forward emission of light-emitting composites by soft nanolithographies
No full textPulsed laser deposition and characterization of NiTi-based MEMS prototypes
No full textWe report the fabrication and characterization of microelectromechanical systems (MEMS) prototypes based on a microcantilever coated with a NiTi thin film. The NiTi film was deposited by laser ablation and deposition in ultra-high vacuum. The samples were characterized from the mechanical point of view by measuring the resonance frequency of the cantilever as a function of the temperature. Data show a clear phase transition of the NiTi film, with relevant transition temperatures close to those of the bulk, which demonstrates the congruency of the deposition method. We have also developed a technique to control the deflection of the NiTi-coated cantilever by all-optical means, both continuous and pulsed, the latter with typical time scales in the hundreds of mus range
Role of doping concentration on the competition between amplified spontaneous emission and nonradiative energy transfer in blends of conjugated polymers
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