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Wireless communication through dynamic spectrum allocation over microwave bands, essential to accommodate exponentially growing data traffic, requires massive array of radio-frequency (RF) filters for adaptive signal shaping at arbitrary…

Applied Physics · Physics 2023-02-06 Faysal Hakim , Nicholas Rudawski , Troy Tharpe , Roozbeh Tabrizian

Organic printed electronics is proving its suitability for the development of wearable, lightweight, distributed applications in combination with cost-effective production processes. Nonetheless, some necessary features for several…

Applied Physics · Physics 2019-12-02 Andrea Perinot , Mario Caironi

Graphene is considered to be a promising candidate for future nano-electronics due to its exceptional electronic properties. Unfortunately, the graphene field-effect-transistors (FETs) cannot be turned off effectively due to the absence of…

Materials Science · Physics 2010-02-11 Fengnian Xia , Damon B. Farmer , Yu-ming Lin , Phaedon Avouris

Detectors of terahertz radiation based on field-effect transistors (FETs) are among most promising candidates for low-noise passive signal rectification both in imaging systems and wireless communications. However, it was not realised so…

Mesoscale and Nanoscale Physics · Physics 2021-11-01 Aleksandr Shabanov , Maxim Moskotin , Vsevolod Belosevich , Yakov Matyushkin , Maxim Rybin , Georgy Fedorov , Dmitry Svintsov

This article presents novel high speed and low power full adder cells based on carbon nanotube field effect transistor (CNFET). Four full adder cells are proposed in this article. First one (named CN9P4G) and second one (CN9P8GBUFF)…

Hardware Architecture · Computer Science 2014-11-11 Mehdi Masoudi , Milad Mazaheri , Aliakbar Rezaei , Keivan Navi

The continued evolution of CMOS technology demands materials and architectures that emphasize low power consumption, particularly for computations involving large scale data processing and multivariable optimization. Ferroelectric materials…

Carbon Nanotube (CNT) appears as a promising candidate to shrink field-effect transistors (FET) to the nanometer scale. Extensive experimental works have been performed recently to develop the appropriate technology and to explore DC…

Other Condensed Matter · Physics 2009-11-13 H. Cazin d'Honincthun , S. Galdin-Retailleau , A. Bournel , P. Dollfus , J. -P. Bourgoin

Semiconducting single-walled carbon nanotubes are studied in the diffusive transport regime. The peak mobility is found to scale with the square of the nanotube diameter and inversely with temperature. The maximum conductance, corrected for…

Mesoscale and Nanoscale Physics · Physics 2009-11-11 Xinjian Zhou , Ji-Yong Park , Shaoming Huang , Jie Liu , Paul L. McEuen

We report on the experimental demonstration and electrical characterization of N = 7 armchair graphene nanoribbon (7-AGNR) field effect transistors. The back-gated transistors are fabricated from atomically precise and highly aligned…

Mesoscale and Nanoscale Physics · Physics 2018-03-21 Vikram Passi , Amit Gahoi , Boris V. Senkovskiy , Danny Haberer , Felix R. Fischer , Alexander Grüneis , Max C. Lemme

The electron velocity-electric field characteristics in short channel length (50-100 nm) amorphous oxide field-effect transistors (FETs) are described using measured experimental data from indium gallium zinc oxide (IGZO) FETs in…

Materials Science · Physics 2026-04-24 Chankeun Yoon , Xiao Wang , Jatin Vikram Singh , Sanjay K. Banerjee , Ananth Dodabalapur

We propose an analytical device model for a graphene nanoribbon field-effect transistor (GNR-FET). The GNR-FET under consideration is based on a heterostructure which consists of an array of nanoribbons clad between the highly conducting…

Mesoscale and Nanoscale Physics · Physics 2009-11-13 M. Ryzhii , A. Satou , V. Ryzhii , T. Otsuji

The electronic properties of graphene are unique and are attracting increased attention to this novel 2-dimensional system. Its photonic properties are not less impressive. For example, this single atomic layer absorbs through direct…

Materials Science · Physics 2009-12-25 Fengnian Xia , Thomas Mueller , Yu-ming Lin , Alberto Valdes-Garcia , Phaedon Avouris

We report the performance of field-effect transistors (FETs), comprised of mono-layer of recently synthesized layered two-dimensional MoSi2N_4 as channel material, using the first principles quantum transport simulations. The devices'…

Mesoscale and Nanoscale Physics · Physics 2022-05-11 Keshari Nandan , Barun Ghosh , Amit Agarwal , Somnath Bhowmick , Yogesh S. Chauhan

Tunneling field-effect transistors (TFETs) have gained a great deal of recent interest due to their potential to reduce power dissipation in integrated circuits. One major challenge for TFETs so far has been achieving high drive currents,…

Mesoscale and Nanoscale Physics · Physics 2010-11-25 Siyuranga O. Koswatta , Steven J. Koester , Wilfried Haensch

We use an Atomic Force Microscope (AFM) tip to locally probe the electronic properties of semiconducting carbon nanotube transistors. A gold-coated AFM tip serves as a voltage or current probe in three-probe measurement setup. Using the tip…

Mesoscale and Nanoscale Physics · Physics 2009-11-10 Y. Yaish , J. -Y. Park , S. Rosenblatt , V. Sazonova , M. Brink , P. L. McEuen

This letter reports the impact of surface morphology on the carrier transport and RF performance of graphene FETs formed on epitaxial graphene films synthesized on SiC substrates. Such graphene exhibits long terrace structures with widths…

Dirac-source field-effect transistors (DS-FETs) have been proposed as promising candidates for low-power switching devices by leveraging the Dirac cone of graphene as a low-pass energy filter. In particular, using two-dimensional (2D)…

Mesoscale and Nanoscale Physics · Physics 2022-06-28 Peng Wu , Joerg Appenzeller

As conventional silicon technology is approaching its fundamental material and physical limits with continuous scaling, there is a growing push to look for new platform to design memory circuits for nanoelectronic applications. In this…

Mesoscale and Nanoscale Physics · Physics 2013-09-02 Md. Nahid Hossain , Masud H Chowdhury

The analytical model of the small-signal current and capacitance characteristics of RF graphene FET is presented. The model is based on explicit distributions of chemical potential in graphene channels (including ambipolar conductivity at…

Mesoscale and Nanoscale Physics · Physics 2011-12-19 Gennady I. Zebrev , Alexander A. Tselykovskiy , Daria K. Batmanova , Evgeny V. Melnik

We report the realization of top-gated graphene nanoribbon field effect transistors (GNRFETs) of ~10 nm width on large-area epitaxial graphene exhibiting the opening of a band gap of ~0.14 eV. Contrary to prior observations of disordered…