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Related papers: XHEMTs on Ultrawide Bandgap Single-Crystal AlN Sub…

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High-performance p-channel transistors are crucial to implementing efficient complementary circuits in wide-bandgap electronics, but progress on such devices has lagged far behind their powerful electron-based counterparts due to the…

Making full usage of bipolar transport in single-wall carbon nanotube (SWCNT) transistors could permit the development of two-in-one quantum devices with ultra-short channels. We report on clean $\sim$10 to 100 nm long suspended SWCNT…

Mesoscale and Nanoscale Physics · Physics 2017-06-07 A. C. McRae , V. Tayari , J. M. Porter , A. R. Champagne

This study demonstrates 3D monolithic integration of amorphous indium-gallium-zinc oxide (a-IGZO) thin-film transistors (TFTs) on Gallium Nitride (GaN) high electron mobility transistors (HEMTs) in a cascode configuration, achieving high…

Applied Physics · Physics 2025-07-11 Tian-Li Wu , Hsin-Jou Ho , Chia-Wei Liu , Yi-Chen Chen

Gallium nitride (GaN) is a wide-bandgap semiconductor of significant interest for applications in solid-state lighting, power electronics, and radio-frequency amplifiers. An important limitation of this semiconductor is its low intrinsic…

Materials Science · Physics 2025-08-12 Jie-Cheng Chen , Joshua Leveillee , Chris G. Van de Walle , Feliciano Giustino

Gallium Oxide (Ga2O3) has a huge potential on the power device for its high breakdown filed and good transport properties. beta-Ga2O3 as the thermodynamics stable phase, has been demonstrated to form high electron mobility transistor (HEMT)…

Applied Physics · Physics 2019-01-17 Yi Lu , Hsin-Hung Yao , Jingtao Li , Jianchang Yan , Junxi Wang , Jinmin Li , Xiaohang Li

A major issue in the development of the technology of nitride based materials is the choice of substrate. The structural and optical properties of the layers are intimately connected to the substrate material used in the epitaxial growth.…

Materials Science · Physics 2007-05-23 Tim K. Hossain , James V. Lindesay , Michael G. Spencer

This work presents a novel Gallium nitride (GaN) high-electron-mobility transistor (HEMT) based ultraviolet photodetector architecture integrating advanced material and structural design strategies to enhance detection performance and…

Optics · Physics 2025-08-12 Mustafa Kilin , Firat Yasar

We report the design and demonstration of ultra-wide-bandgap (UWBG) AlGaN polarization-graded field-effect transistors (PolFETs) that achieve a current-gain cutoff frequency above 85 GHz and a current density exceeding 1.3 A/mm. Ultra-thin…

We report on the design and demonstration of ultra-wide bandgap (UWBG) AlGaN-channel metal-insulator heterostructure field effect transistors (HEFTs) for high-power, high-frequency applications. We find that the integration of gate…

The potential barrier between source and gate in HEMTs and between source and channel in MOSFET controls the current output and the velocity injection of electrons in the channel [1], [2]. In non self aligned structures the electric field…

Other Condensed Matter · Physics 2007-05-23 S. Russo , A. Di Carlo

AlScN is a new wide bandgap, high-k, ferroelectric material for RF, memory, and power applications. Successful integration of high quality AlScN with GaN in epitaxial layer stacks depends strongly on the ability to control lattice…

This paper introduces a robust Pareto design approach for transistor sizing of Gallium Nitride (GaN) High Electron Mobility Transistors (HEMTs), particularly for power amplifier (PA) and low-noise amplifier (LNA) designs in 5G applications.…

Systems and Control · Electrical Eng. & Systems 2025-02-27 Rafael Perez Martinez , Stephen Boyd , Srabanti Chowdhury

AlP and GaN are wide band-gap semiconductors (SC) uses in opto-electronic industry as light emitting diodes. Here we investigate it as future perspective candidate for insulating barrier in magnetic tunnel junctions. We employ density…

Materials Science · Physics 2021-04-02 Gokaran Shukla , Stefano Sanvito , Geunsik Lee

In this work, we demonstrate the first single-crystal aluminum nitride (AlN) wafer-based thickness-extensional (TE) mode bulk acoustic resonator for piezoelectric power conversion. The device exhibits a high series resonance 3-dB quality…

The junctions formed between gate contact and III-nitride are crucial components of GaN-based electronics and optoelectronics. In this work, solution-processed inorganic Ti3C2Tx MXene films were spray coated on the AlGaN/GaN epitaxial wafer…

Chemical Physics · Physics 2023-03-31 Chuanju Wang , Xiangming Xu , Mohamed Nejib Hedhili , Husam N. Alshareef , Xiaohang Li

Over the last decade, progress in wide bandgap, III-V materials systems based on gallium nitride (GaN) has been a major driver in the realization of high power and high frequency electronic devices. Since the highly conductive,…

Ultra-wide-band-gap group-III nitrides are of interest for applications in deep-ultraviolet optoelectronics and power electronics. Such devices must be able to efficiently dissipate heat generated from their operation, making the thermal…

Materials Science · Physics 2019-10-15 Sahil Dagli , Kelsey A. Mengle , Emmanouil Kioupakis

Nitride semiconductors are ubiquitous in optoelectronic devices such as LEDs and Blu-Ray optical disks. A major limitation for further adoption of GaN in power electronics is its low hole mobility. In order to address this challenge, here…

Materials Science · Physics 2019-09-04 Samuel Poncé , Debdeep Jena , Feliciano Giustino

III-V heterostructure based high electron mobility transistors (HEMTs) offer superior performance as compared to CMOS silicon transistors owing to the high mobility in the 2D electron gas (2DEG) channel at the heterostructure interface.…

Applied Physics · Physics 2020-10-07 Pallabi Das , Tian-Li Wu , Siddharth Tallur

We report Beta-AlGaO/Ga2O3 tri-gate heterostructure MOSHEMTs incorporating a thin 5 nm Al2O3 gate oxide layer for improved gate control and reduced leakage. The devices were fabricated on AlGaO/GaO heterostructures grown by ozone MBE on…

Materials Science · Physics 2026-01-21 Noor Jahan Nipu , Chinmoy Nath Saha , Uttam Singisetti