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Radial 1:6 microstrip divider is proposed. The divider is based on tapered horizontal and vertical strips and has a 50 ?? SMA connector at the input port and 50 ?? SMA connectors at the output ports. The divider was simulated and measured, showing a bandwidth of 33% for SWR = 2, low insertion loss and high accuracies of output amplitudes and phases. Very good agreement between simulation and measurement...
We combine Kelvin probe force microscopy and current-voltage measurements in order to characterize silicon-oninsulator biological field effect transistors. The measurements were conducted on monolayer of (3-aminopropyl)-trimethoxysilane, which was deposited on a plasma activated silicon oxide surface of the transistor channel. The work function of the modified silicon oxide decreased by more then...
Two-dimensional arrangements of molecules can show remarkable cooperative electronic effects. Such effects can serve to couple molecular properties with semiconductor devices and to achieve direct electronic sensing of chemical and physical processes via electrostatic effects, i.e., without transfer of charge or matter between the locus of sensing and that of detection.
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