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Dark energy search by atom interferometry in the Einstein-elevator
/forschung/publikationen/dark-energy-search-by-atom-interferometry-in-the-einstein-elevator
The DESIRE project aims to test chameleon field theories as potential candidates for dark energy. The chameleon field is a light scalar field that is subject to screening mechanisms in dense…
Palo Alto in Dahlem?: Berlin auf dem Weg zur Quantenmetropole
/media-center/medienschau/palo-alto-in-dahlem-berlin-auf-dem-weg-zur-quantenmetropole
Die Initiative „Berlin Quantum“ nimmt Fahrt auf und will komplexe Quantenwelt besser nutzbar machen – mit jeder Menge Drittmitteln im Rücken.
Physikalisches Kolloquium TU Berlin
/termine/physikalisches-kolloquium-tu-berlin
“Diode laser physics for the scaling of optical power and conversion efficiency: Enabling the next generation of ultra-high energy laser applications, from direct material processing to inertial…
Video über die Ausbildung in der Mikrotechnologie
/media-center/presseinformationen/video-ueber-die-ausbildung-in-der-mikrotechnologie
Jetzt mehr erfahren, wie die Ausbildung zum/zur Mikrotechnolog*in am Ferdinand-Braun-Institut aussieht.
Short-range order controlled amphoteric behavior of the Si dopant in Al-rich AlGaN
/forschung/publikationen/short-range-order-controlled-amphoteric-behavior-of-the-si-dopant-in-al-rich-algan
AlGaN alloys with high Al content offer the possibility to create deep ultraviolet light sources emitting at wavelengths ≤ 240 nm with enhanced quantum efficiency. However, increasing the…
Stress and Crystal Quality Analysis of GaN Layers on Cost-Effective Substrates for Vertical High- Power Applications
/forschung/publikationen/stress-and-crystal-quality-analysis-of-gan-layers-on-cost-effective-substrates-for-vertical-high-power-applications
For vertical transistor technology in the highpower regime, Gallium Nitride (GaN) layers grown on foreign substrates provide a cost-effective alternative to native GaN substrates but face challenges…
Digitally Reconfigurable Power Detector
/forschung/publikationen/digitally-reconfigurable-power-detector
This paper presents a reconfigurable diode detector operating at 24 GHz, capable of dynamically adjusting its output voltage and linear range through digital control of the load impedance. The…
Method of Estimating RF Probe-Tip Calibration Reproducibility Budget on Commercial Calibration Substrates
/forschung/publikationen/method-of-estimating-rf-probe-tip-calibration-reproducibility-budget-on-commercial-calibration-substrates
The paper presents a method for estimating the reproducibility budget for RF probe-tip calibration on commercial calibration substrates, a critical factor for achieving reliable wafer-level…
Array-Fed RIS: Validation of Friis-Based Modeling Using Full-Wave Simulations
/forschung/publikationen/array-fed-ris-validation-of-friis-based-modeling-using-full-wave-simulations
Space-fed large antenna arrays offer superior efficiency, simplicity, and reductions in size, weight, power, and cost (SWaP-C) compared to constrained-feed systems. Historically, horn antennas have…
Determining GaN HEMT Trap Models from MHz Load-line Measurement — Synthesis and Evaluation
/forschung/publikationen/determining-gan-hemt-trap-models-from-mhz-load-line-measurement-synthesis-and-evaluation
The modeling of GaN HEMTs is closely associated with pulsed measurements, which are essential for extracting model parameters related to trapping and thermal effects. However, these characterizations…