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Nanofabricated metal gate electrodes are commonly used to confine and control electrons in electrostatically defined quantum dots. However, these same gates impart strain-induced potential fluctuations that can potentially impair device…

Mesoscale and Nanoscale Physics · Physics 2025-10-03 Collin C. D. Frink , Talise Oh , E. S. Joseph , Merritt P. Losert , E. R. MacQuarrie , Benjamin D. Woods , M. A. Eriksson , Mark Friesen

In this paper, we present the unique features exhibited by modified asymmetrical Double Gate (DG) silicon on insulator (SOI) MOSFET. The proposed structure is similar to that of the asymmetrical DG SOI MOSFET with the exception that the…

Mesoscale and Nanoscale Physics · Physics 2010-08-19 G. Venkateshwar Reddy , M. Jagadesh Kumar1

Nano-membrane tri-gate beta-gallium oxide (\b{eta}-Ga2O3) field-effect transistors (FETs) on SiO2/Si substrate fabricated via exfoliation have been demonstrated for the first time. By employing electron beam lithography, the minimum-sized…

Applied Physics · Physics 2022-01-05 Hagyoul Bae , Tae Joon Park , Jinhyun Noh , Wonil Chung , Mengwei Si , Shriram Ramanathan , Peide D. Ye

In this work, quantum ballistic simulation study of a III-V tri-gate MOSFET has been presented. At the same time, effects of device parameter variation on ballistic, subthrshold and short channel performance is observed and presented. The…

Computational Physics · Physics 2018-02-27 Kanak Datta , Quazi D. M. Khosru

Fully depleted (FD) Silicon on Insulator (SOI) metal oxide Field Effect Transistor (MOSFET) Is the Leading Contender for Sun 65nm Regime. This paper presents a study of effects of work functions of metal gate on the performance of FD-SOI…

Other Computer Science · Computer Science 2011-04-06 Deepesh Ranka , Ashwani K. Rana , Rakesh Kumar Yadav , Kamalesh Yadav , Devendra Giri

Gate-All-Around Field-Effect Transistors (GAAFETs), now entering high-volume production as successors to fin field-effect transistor technology, are enabling continued scaling and enhanced performance in advanced semiconductor nodes.…

Other Condensed Matter · Physics 2026-03-24 Juan P. Mendez , Coleman Cariker , Michael Titze , Alex A. Belianinov , Denis Mamaluy

Scalable methods for improving the performance and stability of a field-effect transistor (FET) based on two-dimensional materials are crucial for its real applications. A scalable method of encapsulating the exfoliated MoS$ _{2} $ on SiO$…

Materials Science · Physics 2024-03-12 Santu Prasad Jana , Shivangi , Suraina Gupta , Anjan K. Gupta

Vertical field effect transistors (VFETs) show many advantages such as high switching speed, low operating voltage, low power consumption, and miniaturization over lateral FETs. However, VFET still faces the main challenges of high…

Computational Physics · Physics 2025-01-08 Sirsendu Ghosh , Anamika Devi Laishram , Pramod Kumar

Metals are commonly used as electrostatic gates in devices due to their abundant charge carrier densities that are necessary for efficient charging and discharging. A semiconducting gate can be beneficial for certain fabrication processes,…

In this article, we investigate electrical transport properties in ultrathin body (UTB) MoS2 two-dimensional (2D) crystals with channel lengths ranging from 2 {\mu}m down to 50 nm. We compare the short channel behavior of sets of MOSFETs…

Materials Science · Physics 2013-03-05 Han Liu , Adam T. Neal , Peide D. Ye

The tremendous progress in Metal Oxide Semiconductor (MOS) technology has been a direct consequence of device scaling for past several decades. But as we have entered the nanometer era many problems related to leakage currents and other…

Applied Physics · Physics 2019-11-12 Raja N Mir

In recent years, a lot of scientific research effort has been put forth for the investigation of Transition Metal Dichalcogenides (TMDC) and other Two Dimensional (2D) materials like Graphene, Boron Nitride. Theoretical investigation on the…

Computational Physics · Physics 2018-02-27 Kanak Datta , Quazi D. M. Khosru

TiO2 ferroelectric field effect transistors (FeFETs) with HfZrO2 (HZO) ferroelectric dielectric layers and bottom gate topology are fabricated for applications in neuromorphic systems. Two sets of devices are fabricated with different gate…

Applied Physics · Physics 2026-05-21 Chandan Samanta , Elia Palmese , Ziyu Ouyang , Tuofu Zhama , Robinson Pino , Yuping Zeng

A common issue in low temperature measurements of enhancement-mode metal-oxide-semiconductor (MOS) field-effect transistors (FETs) in the low electron density regime is the high contact resistance dominating the device impedance. In that…

Mesoscale and Nanoscale Physics · Physics 2011-10-10 Laurens H. Willems Van Beveren , Kuan Y. Tan , Nai-Shyan Lai , Oleh Klochan , Andrew S. Dzurak , Alex R. Hamilton

In this paper, 20nm - 80nm channel length (Lch) InGaAs gate- all-around (GAA) nanowire MOSFETs with record high on- state and off-state performance have been demonstrated by equivalent oxide thickness (EOT) and nanowire width (WNW) scaling…

Mesoscale and Nanoscale Physics · Physics 2012-12-19 J. J. Gu , X. W. Wang , H. Wu , J. Shao , A. T. Neal , M. J. Manfra , R. G. Gordon , P. D. Ye

Multiple-gate SOI MOSFETs with gate length equal to 25 nm are compared using device Monte Carlo simulation. In such architectures, the short channel effects may be controlled with much less stringent body and oxide thickness requirements…

Other Condensed Matter · Physics 2007-05-23 J. Saint-Martin , A. Bournel , P. Dollfus

Large capacitance enhancement is useful for increasing the gate capacitance of field-effect transistors (FETs) to produce low-energy-consuming devices with improved gate controllability. We report strong capacitance enhancement effects in a…

Thanks to their unique properties single-layer 2-D materials appear as excellent candidates to extend Moore's scaling law beyond the currently manufactured silicon FinFETs. However, the known 2-D semiconducting components, essentially…

Mesoscale and Nanoscale Physics · Physics 2020-06-30 Cedric Klinkert , Áron Szabó , Christian Stieger , Davide Campi , Nicola Marzari , Mathieu Luisier

We study the impact of top SiO2 interlayer thickness on memory window of Si channel FeFET with TiN/SiO2/Hf0.5Zr0.5O2/SiOx/Si (MIFIS) gate structure. The memory window increases with thicker top SiO2. We realize the memory window of 6.3 V…

We report on detailed room temperature and low temperature transport properties of double-gate Si MOSFETs with the Si well thickness in the range 7-17 nm. The devices were fabricated on silicon-on-insulator wafers utilizing wafer bonding,…

Materials Science · Physics 2009-11-11 M. Prunnila , J. Ahopelto , F. Gamiz