Active thermal metasurfaces amplify heat signatures by a factor of nine

Light undergoes a unique phenomenon called superscattering, an optical illusion where a very small object scatters far more ...
Nanowerk

Nanowire transistors replicate how the retina edits before the brain sees

Tellurium nanowire transistors switch between boosting and suppressing their light response through voltage alone, enabling ...
IEEE

Current Collapse in Buffer-Free GaN-on-SiC Power Transistors: Maxwell-Wagner Effect and Related Model

Abstract: Recently, the use of insulating substrates has emerged as a viable option for the fabrication of GaN power transistors exceeding 1 kV. Such structures are of interest because no doped buffer ...
IEEE

Low Power VLSI Architecture for Variable Gain Amplifier Using Pseudo Current Steering Gain Tuning Method

Abstract: This project introduces four variable-gain amplifiers (VGAs) that utilize a novel pseudo-current-steering gain-tuning technique. In the VGA1, a standalone gain control block is implemented ...