Results 101 to 110 of about 11,789 (277)

Seventy Years of Getting Transistorized [PDF]

open access: yes, 2017
Vacuum tubes appeared at the break of the twentieth century giving birth to electronics. By the 1930s, they had become established as a mature technology, spreading into areas such as radio communications, long distance radiotelegraphy, radio ...
Guarnieri, Massimo
core   +1 more source

Does a Morphotropic Phase Boundary Exist in ZrxHf1‐xO2‐Based Thin Films?

open access: yesAdvanced Functional Materials, Volume 36, Issue 19, 5 March 2026.
This study investigates 6 nm zirconium‐rich hafnium‐zirconium oxide thin–film metal–insulator–metal capacitors using a combination of experimental methods and machine learning–based molecular dynamics simulations to provide insight into the physical mechanisms that enhance the dielectric constant near 0 V and attribute it to the field‐induced ...
Pramoda Vishnumurthy   +9 more
wiley   +1 more source

A Model of the On-State Voltage across IGBT Modules Based on Physical Structure and Conduction Mechanisms

open access: yesEnergies, 2019
The on-state voltage is an important electrical parameter of insulated gate bipolar transistor (IGBT) modules. Due to limits in instrumentation and methods, it is difficult to ensure accurate measurements of the on-state voltage in practical working ...
Qingyi Kong   +4 more
doaj   +1 more source

Gyrator employing field effect transistors [PDF]

open access: yes, 1973
A gyrator circuit of the conventional configuration of two amplifiers in a circular loop, one producing zero phase shift and the other producing 180 deg phase reversal is examined. All active elements are MOS field effect transistors.
Hochmair, E. S.
core   +1 more source

Stability of Lead‐Free Perovskite Solar Cells

open access: yesAdvanced Sustainable Systems, Volume 10, Issue 3, March 2026.
This review article discusses the very recent status of stability of lead‐free perovskite solar cells, possible challenges, fabrication techniques, the degradation mechanism of lead‐free PSCs affecting stability, possible causes hindering the simultaneous improvement of efficiency and stability of lead‐free PSCs, potential outlook, and future research ...
Pranta Barua   +4 more
wiley   +1 more source

Wearable and Implantable Devices for Continuous Monitoring of Muscle Physiological Activity: A Review

open access: yesAdvanced Science, Volume 13, Issue 15, 13 March 2026.
Recent advances in materials and device engineering enable continuous, real‐time monitoring of muscle activity via wearable and implantable systems. This review critically summarizes emerging technologies for tracking electrophysiological, biomechanical, and oxygenation signals, outlines fundamental principles, and highlights key challenges and ...
Zhengwei Liao   +4 more
wiley   +1 more source

Gallium Nitride Semiconductor Resonant Tunneling Transistor

open access: yesAdvanced Science, Volume 13, Issue 13, 3 March 2026.
Three‐terminal GaN semiconductor resonant tunneling transistors (RTTs), which comprise an double‐barrier AlN/GaN/AlN resonant tunneling diode integrated with a GaN high‐electron‐mobility transistor (HEMT) through epitaxial growth in series and parallel configuraions, respectively.
Fang Liu   +15 more
wiley   +1 more source

Development of Power Semiconductor Devices Database for Knowledge-Based Systems [PDF]

open access: yes, 2000
Since 1970, various types of power semiconductor devices have been developed and become commercially available. Meanwhile database management and expert systems have been used in the field of power electronics for various applications.
Shaheen, Ghassan Mohammed
core  

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