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In this work, the effect of hydrogen flow and thermal annealing on the compositional and optical properties of non-stoichiometric silicon oxide (SiOx) films with embedded silicon nanocrystals is reported. The SiOx films are obtained by hot filament chemical vapor deposition technique at three different hydrogen flow levels, namely, 50 sccm, 100 sccm, and 150 sccm. The SiOx films are characterized...
Light emitting diodes are widely used in space applications. In low Earth orbits missions, they are exposed to radiation environments that comprise mainly protons. The proton fluence that they must withstand in flight varies for each mission. Several commercial high power emitting diodes were irradiated with 50 MeV protons at different fluxes and up to various fluences by INTA. Their output power...
Instrumentation amplifiers suitable for low Earth orbit space missions were irradiated at low dose rate with gamma particles by INTA. The aim of this work is to analyze the enhanced of low dose rate sensitivity in devices based on bipolar technology, which are sensitive to it. For this purpose parameters as gain error, frequency response, offset voltage, supply, offset and bias currents were measured...
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