Results 51 to 60 of about 7,826 (220)

Terahertz Channel Modeling, Estimation and Localization in RIS‐Assisted Systems

Advanced Electronic Materials, EarlyView.
Reconfigurable intelligent surfaces have become a recent intensive research focus. Based on practical applications, channel strategies for RIS‐assisted terahertz wireless communication systems are categorized into three different types: channel modeling, channel estimation, and channel localization.
Hongjing Wang, Weipeng Wang, Xuan Cong, Shiyu Wang, Gao Li, Sen Gong, Lin Huang, Hongxin Zeng, Yaxin Zhang, Ziqiang Yang   +9 more
wiley   +1 more source

Review of the AlGaN/GaN High-Electron-Mobility Transistor-Based Biosensors: Structure, Mechanisms, and Applications

Micromachines
Due to its excellent material performance, the AlGaN/GaN high-electron-mobility transistor (HEMT) provides a wide platform for biosensing. The high density and mobility of two-dimensional electron gas (2DEG) at the AlGaN/GaN interface induced by the ...
Chenbi Li, Xinghuan Chen, Zeheng Wang
doaj   +1 more source

Strain engineered In_xGa_1-xAs channel pHEMTs on virtual substrates: a simulation study [PDF]

, 1998
The impact of In_xAl_1-xAs strain control buffers on the performance of low In content InGaAs channel pseudomorphic high electron mobility transistor p(HEMT) is investigated.
Asenov, A., Babiker, S., Barker, J.R., Beaumont, S.P., Roy, S.   +4 more
core   +1 more source

Two‐Dimensional Piezoelectric Nanomaterials for Nanoelectronics and Energy Harvesting

ENERGY &ENVIRONMENTAL MATERIALS, Volume 9, Issue 3, May 2026.
Two‐Dimensional Piezoelectric Nanomaterials from properties to applications. Smart materials, especially piezoelectric materials, have gained popularity over the last two decades. Two‐dimensional (2D) piezoelectric materials exhibit attributes including great flexibility, ease of workability, extensive surface area, and many active sites, indicating ...
Yujun Cao, Sikandar Aftab, Zeeshan Ali, Muhammad Farooq Khan, Ghazanfar Nazir, Awais Khalid, Hosameldin Helmy Hegazy, Ibrahim S. Yahia, Altaf Hussain Rajpar, Burragoni Sravanthi Goud, Jae Hong Kim, Erdi Akman, Xin Li   +12 more
wiley   +1 more source

Research on the Reliability of Threshold Voltage Based on GaN High-Electron-Mobility Transistors

Micromachines
With the development of high-voltage and high-frequency switching circuits, GaN high-electron-mobility transistor (HEMT) devices with high bandwidth, high electron mobility, and high breakdown voltage have become an important research topic in this field.
Pengfei Dai, Shaowei Wang, Hongliang Lu
doaj   +1 more source

AlGaN/GaN High Electron Mobility Transistors on Semi-Insulating Ammono-GaN Substrates with Regrown Ohmic Contacts

Micromachines, 2018
AlGaN/GaN high electron mobility transistors on semi-insulating bulk ammonothermal GaN have been investigated. By application of regrown ohmic contacts, the problem with obtaining low resistance ohmic contacts to low-dislocation high electron mobility ...
Wojciech Wojtasiak, Marcin Góralczyk, Daniel Gryglewski, Marcin Zając, Robert Kucharski, Paweł Prystawko, Anna Piotrowska, Marek Ekielski, Eliana Kamińska, Andrzej Taube, Marek Wzorek   +10 more
doaj   +1 more source

Impact of Polarization Charges on Threshold Voltage and Band Offset in AlGaN/GaN Heterostructures

physica status solidi (a), Volume 223, Issue 7, 7 April 2026.
The threshold voltage for the two‐dimensional electron gas of GaN‐based heterostructures is analyzed by considering the thickness of the polarization charge region at a semiconductor surface and interface. The proposed model gives the threshold voltage agreed with experimental results.
Tetsuya Suemitsu, Hiroki Imabayashi, Kenji Shiojima   +2 more
wiley   +1 more source

Effective electrothermal analysis of electronic devices and systems with parameterized macromodeling [PDF]

, 2015
We propose a parameterized macromodeling methodology to effectively and accurately carry out dynamic electrothermal (ET) simulations of electronic components and systems, while taking into account the influence of key design parameters on the system ...
d'Alessandro, Vincenzo, de Magistris, Massimiliano, Dhaene, Tom, Ferranti, Francesco, Magnani, Alessandro, Rinaldi, Niccolo, Russo, Salvatore   +6 more
core   +1 more source

First‐Principles Study of Structural, Elastic, and Piezoelectric Properties of Wurtzite Superlattice ScxAl1−xN, ScxGa1−xN, and ScxIn1−xN Alloys

physica status solidi (b), Volume 263, Issue 4, April 2026.
This study investigates the structural, elastic, and piezoelectric properties of Sc‐doped wurtzite nitrides using first‐principles calculations. A strong compositional dependence of elastic and piezoelectric coefficients is observed, with significant nonlinearities providing insights into the tunability of these materials for piezoelectric applications.
Hang Cui, William Alan Doolittle, Lukas Graber, Paul Douglas Yoder   +3 more
wiley   +1 more source

Controllable Uniform Green Light Emitters Enabled by Circular HEMT-LED Devices

IEEE Photonics Journal, 2018
This paper reports a monolithic integration of GaN high-electron-mobility transistor (HEMT) and green light-emitting diode (LED), where the circular HEMT is surrounded by a ring-shaped LED and two devices are seamlessly interconnected by the LED's
Yuefei Cai, Yipin Gong, Jie Bai, Xiang Yu, Chenqi Zhu, Volkan Esendag, Kean Boon Lee, Tao Wang   +7 more
doaj   +1 more source