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A dual mode device behaving either as a field-effect transistor or a single electron transistor (SET) has been fabricated using silicon-on-insulator metal oxide semiconductor technology. Depending on the back gate polarisation, an electron…

Mesoscale and Nanoscale Physics · Physics 2012-05-17 Benoît Roche , Benoit Voisin , Xavier Jehl , Romain Wacquez , Marc Sanquer , Maud Vinet , Veeresh Deshpande , Bernard Previtali

The topological quantum field-effect transition in buckled 2D-Xenes can potentially be engineered to enable sub-thermionic transistor operation coupled with dissipationless ON-state conduction. Substantive device design strategies to…

Mesoscale and Nanoscale Physics · Physics 2022-02-25 Sagnik Banerjee , Koustav Jana , Anirban Basak , Michael S Fuhrer , Dimitrie Culcer , Bhaskaran Muralidharan

While nanoscale electronic logic circuits are well-established, the development of na-noscale thermal logic circuits has been slow, mainly due to the absence of efficient and controllable nonvolatile field-effect thermal transistors. In…

Materials Science · Physics 2025-03-25 Yong-Kun Huo , Hui-Feng Feng , Chao Yao , Zhong-Xiao Song , Zhi-Xin Guo

We present a scaling theory of two-dimensional (2D) field effect transistors (FETs). For devices with channel thickness less than 4 nm, the device electrostatics is dominated by the physical gate oxide thickness and not the effective oxide…

Mesoscale and Nanoscale Physics · Physics 2021-05-25 Saurabh V. Suryavanshi , Chris D. English , H. -S. P. Wong , Eric Pop

Ferroelectric field-effect transistors (Fe-FETs) with ferroelectric hafnium oxide (FE HfO2) as gate insulator are being extensively explored as a promising device candidate for three-dimensional (3D) NAND memory application. FE HfO2…

Mesoscale and Nanoscale Physics · Physics 2021-10-04 Mengwei Si , Peide D. Ye

We report on fabrication of novel field-effect transistors (FETs) based on transition metal dichalcogenides. The unique structure of single crystals of these layered inorganic semiconductors enables fabrication of FETs with intrinsically…

Materials Science · Physics 2009-11-10 V. Podzorov , M. E. Gershenson , Ch. Kloc , R. Zeis , E. Bucher

We fabricated a non-local spin valve device with Co-MgO injector/detector tunnel contacts on a graphene spin channel. In this device, the spin polarization of the injector contact can be tuned by both the injector current bias and the gate…

Mesoscale and Nanoscale Physics · Physics 2018-10-01 Sebastian Ringer , Matthias Rosenauer , Tobias Völkl , Maximilian Kadur , Franz Hopperdietzel , Dieter Weiss , Jonathan Eroms

This paper presents a self-consistent numerical model for calculating the charge profile and gate capacitance and therefore obtaining C-V characterization for a gate-all-around graded nanowire MOSFET with a high mobility axially graded…

In a recent e-print [cond-mat/0603260] Hall and Flatte claim that a particular spin based field effect transistor (SPINFET), which they have analyzed, will have a lower threshold voltage, lower switching energy and lower leakage current…

Mesoscale and Nanoscale Physics · Physics 2007-05-23 S. Bandyopadhyay , M. Cahay

In this study, we present first-principles calculations that introduce a novel nonvolatile spin field-effect transistor (Spin-FET) utilizing a van der Waals multiferroic heterostructure, specifically VSi2N4/Sc2CO2. We demonstrate that…

Mesoscale and Nanoscale Physics · Physics 2024-05-07 Xian Zhang , Bang Liu , Junsheng Huang , Xinwei Cao , Yunzhe Zhang , Zhi-Xin Guo

We propose and numerically simulate novel reconfigurable logic gates employing spin metal-oxide-semiconductor field-effect transistors (spin MOSFETs). The output characteristics of the spin MOSFETs depend on the relative magnetization…

Materials Science · Physics 2007-05-23 Satoshi Sugahara , Tomohiro Matsuno , Masaaki Tanaka

For the first time, n-type few-layer MoS2 field-effect transistors with graphene/Ti as the hetero-contacts have been fabricated, showing more than 160 mA/mm drain current at 1 {\mu}m gate length with an on-off current ratio of 107. The…

Materials Science · Physics 2014-05-13 Yuchen Du , Lingming Yang , Jingyun Zhang , Han Liu , Kausik Majumdar , Paul D. Kirsch , Peide D. Ye

We investigate electric field effects in thin film microbridges of La$_{0.7}$Ca$_{0.3}$MnO$_3$ with the focus on the regime of metal-insulator transition. A mechanically milled SrTiO$_3$ substrate is used as a backgate dielectric. Inside…

Mesoscale and Nanoscale Physics · Physics 2013-05-30 C. Beekman , I. Komissarov , J. Aarts

In this work, we simulate the expected device performance and the scaling perspectives of Carbon nanotube Field Effect Transistors (CNT-FETs), with doped source and drain extensions. The simulations are based on the self-consistent solution…

Mesoscale and Nanoscale Physics · Physics 2009-11-11 G. Fiori , G. Iannaccone , G. Klimeck

We have fabricated a Cooper-pair transistor (CPT) with parameters such that for appropriate voltage biases, the sub-gap charge transport takes place via slow tunneling of quasiparticles that link two Josephson-coupled charge manifolds. In…

Superconductivity · Physics 2012-09-19 T. Duty , G. Johansson , K. Bladh , D. Gunnarsson , C. Wilson , P. Delsing

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

By developing a two-dimensional (2D) full quantum simulation, the attributes of carbon nanotube field-effect transistors (CNTFETs) in different temperatures have been comprehensively investigated. Simulations have been performed by…

Materials Science · Physics 2017-02-07 Ali Naderi , S. Mohammad Noorbakhsh , Hossein Elahipanah

Spin field effect transistors (SpinFET) are an iconic class of spintronic devices that exploit gate tuned spin-orbit interaction in semiconductor channels interposed between ferromagnetic source and drain contacts to elicit transistor…

Mesoscale and Nanoscale Physics · Physics 2023-11-08 Rahnuma Rahman , Supriyo Bandyopadhyay

Since the 1960's when Gordon Moore proposed that the transistor density in our electronic devices should double every two years while the cost is halved, the semiconductor industry has taken this statement to heart. Over the last few…

Materials Science · Physics 2022-07-27 Aditya Muralidharan

Silicon-On-Insulator nanowire transistors of very small dimensions exhibit quantum effects like Coulomb blockade or single-dopant transport at low temperature. The same process also yields excellent field-effect transistors (FETs) for…

Mesoscale and Nanoscale Physics · Physics 2015-03-16 P. Clapera , X. Jehl , A. Corna , S. J. Ray , M. Sanquer , A. Valentian , S. Barraud