نتایج جستجو برای: high electron mobility transistor
تعداد نتایج: 2357262 فیلتر نتایج به سال:
Effect of structure parameters on performance of N-polar GaN/InAlN high electron mobility transistor
A measurement technique combining Kelvin-probe force microscopy with substrate bias is developed and demonstrated on AlGaN/GaN-on-Si device structures under conditions relevant to the effect of off-state drain stress in transistors. For a high bias, measurements show significantly lowered surface potential surrounding small proportion dislocations imaged atomic (AFM), laterally extending scale ...
The potential impact of GaN-based high electron mobility transistor (HEMT) with two channel layers of GaN/InAlGaN is reported. Using two-dimensional and two-carrier device simulations, we investigate the device performance focusing on the electrical potential, electron concentration, breakdown voltage and transconductance (gm). Also, the results have been compared with structure of AlGaN/GaN HE...
In this work, a high temperature THz detector based on a GaN high electron mobility transistor (HEMT) with nano antenna structures was fabricated and demonstrated to be able to work up to 200 °C. The THz responsivity and noise equivalent power (NEP) of the device were characterized at 0.14 THz radiation over a wide temperature range from room temperature to 200 °C. A high responsivity Rv of 15....
Heterostructure field-effect transistor design criteria are proposed in this study. GaAs pseudomorphic high electron mobility transistors (pHEMTs) are extensively applied to radar satellite receipt dispatcher antenna, and cell phone. Devices for various doped type and different material heterostructure are simulated and analyzed. The δ-doped InGaP/InGaAs/GaAs pHEMT with high density of two dime...
Pronounced resonant absorption and frequency dispersion associated with an excitation of collective 2D plasmons have been observed in terahertz (0.5-4THz) transmission spectra of grating-gate 2D electron gas AlGaN/GaN HEMT (high electron mobility transistor) structures at cryogenic temperatures. The resonance frequencies correspond to plasmons with wavevectors equal to the reciprocal-lattice ve...
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