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Hydrodynamic electrons in high-mobility graphene devices have demonstrated great potential in establishing an electronic analogue of relativistic quantum fluid in solid-state systems. One of the key requirements for observing viscous…

Mesoscale and Nanoscale Physics · Physics 2026-02-20 Richa P. Madhogaria , Aniket Majumdar , Nishant Dahma , Pritam Pal , Rishabh Hangal , Kenji Watanabe , Takashi Taniguchi , Arindam Ghosh

Recently, graph prompt learning has garnered increasing attention in adapting pre-trained GNN models for downstream graph learning tasks. However, existing works generally conduct prompting over all graph elements (e.g., nodes, edges, node…

Machine Learning · Computer Science 2024-10-30 Bo Jiang , Hao Wu , Beibei Wang , Jin Tang , Bin Luo

Automated design of efficient transformer models has recently attracted significant attention from industry and academia. However, most works only focus on certain metrics while searching for the best-performing transformer architecture.…

Machine Learning · Computer Science 2023-03-27 Shikhar Tuli , Niraj K. Jha

The mobility-degradation-based model for the drain-to-source or output resistance of a graphene field-effect-transistor is linearized here using a Taylor series approximation. This simplification is shown to be valid from magnitudes of the…

Tunneling field-effect transistors (FETs) have been intensely explored recently due to its potential to address power concerns in nanoelectronics. The recently discovered graphene nanoribbon (GNR) is ideal for tunneling FETs due to its…

Materials Science · Physics 2009-09-30 Pei Zhao , Jyotsna Chauhan , Jing Guo

The widely accepted definition of grid-forming (GFM) inverter states that it should behave as a (nearly) constant voltage source behind an impedance by maintaining a (nearly) constant internal voltage phasor in the sub-transient to…

Systems and Control · Electrical Eng. & Systems 2026-04-10 Ambuj Gupta , Balarko Chaudhuri , Mark O'Malley

Vertical tunneling field-effect-transistor (FET) based on graphene heterojunctions with layers of hBN is simulated by self-consistent quantum transport simulations. It is found that the asymmetric p-type and n-type conduction is due to work…

Mesoscale and Nanoscale Physics · Physics 2015-06-05 S. Bala Kumar , Gyungseon Seol , Jing Guo

This paper introduces a new transformer-based model for the problem of travel time estimation. The key feature of the proposed GCT-TTE architecture is the utilization of different data modalities capturing different properties of an input…

Artificial Intelligence · Computer Science 2023-10-17 Vladimir Mashurov , Vaagn Chopurian , Vadim Porvatov , Arseny Ivanov , Natalia Semenova

The unique optoelectronic properties of graphene [1] make it an ideal platform for a variety of photonic applications [2], including fast photodetectors [3], transparent electrodes [4], optical modulators [5], and ultra-fast lasers [6].…

Mesoscale and Nanoscale Physics · Physics 2012-10-02 L. Vicarelli , M. S. Vitiello , D. Coquillat , A. Lombardo , A. C. Ferrari , W. Knap , M. Polini , V. Pellegrini , A. Tredicucci

Recent experiments shown that graphene epitaxially grown on Silicon Carbide (SiC) can exhibit a energy gap of 0.26 eV, making it a promising material for electronics. With an accurate model, we explore the design parameter space for a fully…

Mesoscale and Nanoscale Physics · Physics 2010-07-02 Paolo Michetti , Martina Cheli , Giuseppe Iannaccone

The GEFF - the Gradient Expansion Formalism Factory - is a new Python package designed to study gauge-field production during inflation. The package provides a framework to implement and use the gradient expansion formalism (GEF), a…

Cosmology and Nongalactic Astrophysics · Physics 2025-10-15 Richard von Eckardstein

Since last decade, graphene has materialized itself as one of the phenomenal materials to modern researchers because of its remarkable thermal, optical, electronic, and mechanical properties. Graphene holds enormous potentials for lab on…

Applied Physics · Physics 2019-10-11 Joydip Sengupta , Chaudhery Mustansar Hussain

We performed radiofrequency (RF) reflectometry measurements at 2.4 GHz on electrolyte-gated graphene field-effect transistors (GFETs) utilizing a tunable stub-matching circuit for impedance matching. We demonstrate that the gate voltage…

Mesoscale and Nanoscale Physics · Physics 2015-06-18 W. Fu , M. El Abbassi , T. Hasler , M. Jung , M. Steinacher , M. Calame , C. Schönenberger , G. Puebla-Hellmann , S. Hellmüller , T. Ihn , A. Wallraff

New technologies are necessary for the unprecedented expansion of connectivity and communications in the modern technological society. The specific needs of wireless communication systems in 5G and beyond, as well as devices for the future…

Mesoscale and Nanoscale Physics · Physics 2017-09-06 Francisco Pasadas

In this letter, we analyze the carrier transit delay in graphene field-effect transistors (GFETs). GFETs are fabricated at the wafer-scale on sapphire substrate. For a device with a gate length of 210 nm, a current gain cut-off frequency fT…

Mesoscale and Nanoscale Physics · Physics 2015-06-03 Han Wang , Allen Hsu , Dong Seup Lee , Ki Kang Kim , Jing Kong , Tomas Palacios

In this paper, we present a new compact model of threshold switching devices which is suitable for efficient circuit-level simulations. First, a macro model, based on a compact transistor based circuit, was implemented in LTSPICE. Then, a…

In this letter we propose the design and simulation study of a novel transistor, called HFinFET, which is a hybrid of a HEMT and a FinFET, to obtain excellent performance and good off state control. Followed by the description of the…

Mesoscale and Nanoscale Physics · Physics 2015-05-18 Kausik Majumdar , Prashant Majhi , Navakanta Bhat , Raj Jammy

Compliant grippers enable robots to work with humans in unstructured environments. In general, these grippers can improve with tactile sensing to estimate the state of objects around them to precisely manipulate objects. However,…

Robotics · Computer Science 2024-03-08 Yuxiang Ma , Arpit Agarwal , Sandra Q. Liu , Wenzhen Yuan , Edward H. Adelson

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

At present, analytical lab-on-chip devices find their usage in different facets of chemical analysis, biological analysis, point of care analysis, biosensors, etc. In addition, graphene has already established itself as an essential…

Applied Physics · Physics 2022-04-13 Joydip Sengupta , Chaudhery Mustansar Hussain