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Related papers: Physics-Based Modeling and Validation of 2D Schott…

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In this study, a model of a Schottky-barrier carbon nanotube field- effect transistor (CNT-FET), with ferromagnetic contacts, has been developed. The emphasis is put on analysis of current-voltage characteristics as well as shot (and…

Mesoscale and Nanoscale Physics · Physics 2009-11-13 S. Krompiewski

Understanding the operation mode of a two-dimensional (2D) material-based field-effect transistor (FET) is one of the most essential issues in the study of electronics and physics. The existing Schottky barrier-FET model for devices with…

Materials Science · Physics 2018-10-01 Nan Fang , Kosuke Nagashio

To explore the potential of field-effect transistors (FETs) based on monolayers of the two-dimensional semiconducting channel(SC) for spintronics, the two most important issues are to ensure the formation of variable low resistive tunnel…

A microscopic many-body transport approach for electronic properties of spatially inhomogeneous systems is developed at the fully quantum-mechanical level by means of plane wavelets second quantization representation. It is obtained that…

Materials Science · Physics 2012-04-03 A. A. Klyukanov , P. A. Gashin , R. Scurtu

A low complexity computational model of the current-voltage characteristics for graphene nano-ribbon (GNR) field effect transistors (FET), able to simulate a hundred of points in few seconds using a PC, is presented. For quantum capacitance…

Mesoscale and Nanoscale Physics · Physics 2008-07-15 David Jimenez

Schottky barriers are often formed at the semiconductor/metal contacts and affect the electrical behaviour of semiconductor devices. In particular, Schottky barriers have been playing a major role in the investigation of the electrical…

Applied Physics · Physics 2021-10-18 Alessandro Grillo , Antonio Di Bartolomeo

We present a physics-based compact model for two-dimensional (2D) field-effect transistors (FETs) based on monolayer semiconductors such as MoS2. A semi-classical transport approach is appropriate for the 2D channel, enabling simplified…

Mesoscale and Nanoscale Physics · Physics 2019-08-14 Saurabh V. Suryavanshi , Eric Pop

We present a physics-based circuit-compatible model for double-gated two-dimensional semiconductor based field effect transistors, which provides explicit expressions for the drain current, terminal charges and intrinsic capacitances. The…

This paper is devoted to photocarrier transport across a two-dimensional graphene-semiconductor Schottky junction. We study linear response to monochromatic light with excitation energy well below the semiconductor band gap. The operation…

Mesoscale and Nanoscale Physics · Physics 2018-05-31 Maxim Trushin

Understanding of the electrical contact properties of semiconductor nanowire (NW) field effect transistors (FETs) plays a crucial role in employing semiconducting NWs as building blocks for future nanoelectronic devices and in the study of…

Mesoscale and Nanoscale Physics · Physics 2016-05-30 Dingxun Fan , N Kang , Sepideh Gorji Ghalamestani , Kimberly A Dick , H Q Xu

Although semiconductor to metal phase transformation of MoTe$_{2}$ by high-density laser irradiation of more than 0.3 MW/cm$^{2}$ has been reported, we reveal that the laser-induced-metal (LIM) phase is not the 1T' structure derived by a…

Two key subjects stand out in the pursuit of semiconductor research: material quality and contact technology. The fledging field of atomically thin transition metal dichalcogenides (TMDCs) faces a number of challenges in both efforts. This…

Hybrid heterostructure based phototransistors are attractive owing to their high gain induced by photogating effect. However, the absence of an in-plane built-in electric field in the single channel layer transistor results in a relatively…

Materials Science · Physics 2023-01-10 Shreyasi Das , Arup Ghorai , Sourabh Pal , Somnath Mahato , Soumen Das , Samit K. Ray

The performance of electronic and spintronic devices based on two-dimensional semiconductors (2D SC) is largely dependent on the quality and resistance of the metal/SC electrical contacts, as well as preservation of the intrinsic properties…

Mesoscale and Nanoscale Physics · Physics 2019-05-14 Talieh S. Ghiasi , Jorge Quereda , Bart J. van Wees

The electrical contact to two-dimensional (2D)-semiconductor materials are decisive to the electronic performance of 2D-semiconductor field-effect devices (FEDs). The presence of a Schottky barrier often leads to a large contact resistance,…

A low Schottky barrier height (SBH) at source/drain contact is essential for achieving high drive current in atomic layer MoS2 channel based field-effect transistors. Approaches such as choosing metals with appropriate work functions and…

Mesoscale and Nanoscale Physics · Physics 2016-01-20 Anuja Chanana , Santanu Mahapatra

The harnessing of plasmon-induced hot carriers promises to open new avenues for the development of clean energies and chemical catalysis. The extraction of carriers before thermalization and recombination is of primordial importance to…

Here, we report the observation of a hitherto unreported optoelectronic effect, namely a light-induced diode-like response in multi-layered MoSe$_2$ field-effect transistors whose sense of current rectification is controllable through a…

Mesoscale and Nanoscale Physics · Physics 2015-11-16 Nihar R. Pradhan , Zhengguang Lu , Daniel Rhodes , Dmitry Smirnov , Efstratios Manousakis , Luis Balicas

High contact resistance is one of the primary concerns for electronic device applications of two-dimensional (2D) layered semiconductors. Here, we explore the enhanced carrier transport through metal-semiconductor interfaces in WS2 field…

Two-dimensional material-based field effect transistors (2DM-FETs) are playing a revolutionary role in electronic devices. However, after years of development, no device model can match the Pao-Sah model for standard silicon-based…