English
Related papers

Related papers: How to Identify Suitable Gate Dielectrics for Tran…

200 papers

Excellent gate electrostatics in field effect transistors (FETs) based on two-dimensional transition metal dichalcogenide (2D TMD) channels can dramatically decrease static power dissipation. Energy efficient FETs operate in enhancement…

Using physical insights and advanced first-principles calculations, we suggest that corundum is an ideal gate dielectric material for graphene transistors. Clean interface exists between graphene and Al-terminated (or hydroxylated) Al2O3…

Materials Science · Physics 2015-05-30 Bing Huang , Qiang Xu , Su-Huai Wei

We employ noise spectroscopy and transconductance measurements to establish the optimal regimes of operation for our fabricated silicon nanowire field-effect transistors (Si NW FETs) sensors. A strong coupling between the liquid gate and…

Mesoscale and Nanoscale Physics · Physics 2015-06-18 Sergii Pud , Jing Li , Volodymyr Sibiliev , Mykhaylo Petrychuk , Valery Kovalenko , Andreas Offenhäusser , Svetlana Vitusevich

The field of two-dimensional (2D) materials has grown dramatically in the last two decades. 2D materials can be utilized for a variety of next-generation optoelectronic, spintronic, clean energy, and quantum computation applications. These…

In recent years systematic experimental studies of the temperature dependence of the resistivity in a variety of dilute, ultra clean two dimensional electron/hole systems have revived the fundamental question of localization or,…

Disordered Systems and Neural Networks · Physics 2015-06-24 Alexander Punnoose , Alexander M. Finkel'stein

A simulation methodology for ultra-scaled InAs quantum well field effect transistors (QWFETs) is presented and used to provide design guidelines and a path to improve device performance. A multiscale modeling approach is adopted, where…

Mesoscale and Nanoscale Physics · Physics 2011-10-28 Neerav Kharche , Gerhard Klimeck , Dae-Hyun Kim , Jesús. A. del Alamo , Mathieu Luisier

We investigate the conductance properties of a hybrid ferromagnet-semiconductor structure consisting of a confined two-dimensional electron gas and a transverse ferromagnetic strip on top. Within the framework of the Landauer-B\"uttiker…

Mesoscale and Nanoscale Physics · Physics 2009-10-31 Michele Governale , Daniel Boese

Three-dimensional topological insulators are characterized by the presence of a bandgap in their bulk and gapless Dirac fermions at their surfaces. New physical phenomena originating from the presence of the Dirac fermions are predicted to…

Mesoscale and Nanoscale Physics · Physics 2011-12-12 B. Sacepe , J. B. Oostinga , J. Li , A. Ubaldini , N. J. G. Couto , E. Giannini , A. F. Morpurgo

It is promising to apply quantum-mechanically confined graphene systems in field-effect transistors. High stability, superior performance, and large-scale integration are the main challenges facing the practical application of graphene…

Mesoscale and Nanoscale Physics · Physics 2012-01-04 Liang Feng Huang , Zhi Zeng

Adapting electronics to perfectly conform to non-planar and rough surfaces, such as human skin, is a very challenging task which, if solved, could open up new applications in fields of high economic and scientific interest ranging from…

We report the multi-scale modeling and design of a gate-defined single-electron transistor in a MoS$_{2}$ bilayer. By combining density-functional theory and finite-element analysis, we design a surface gate structure to electrostatically…

Mesoscale and Nanoscale Physics · Physics 2017-04-05 M. Javaid , Daniel W. Drumm , Salvy P. Russo , Andrew D. Greentree

The physics of two-dimensional (2D) materials and heterostructures based on such crystals has been developing extremely fast. With new 2D materials, truly 2D physics has started to appear (e.g. absence of long-range order, 2D excitons,…

Materials Science · Physics 2016-08-11 K. S. Novoselov , A. Mishchenko , A. Carvalho , A. H. Castro Neto

We investigate gate-defined quantum dots in silicon on insulator nanowire field-effect transistors fabricated using a foundry-compatible fully-depleted silicon-on-insulator (FD-SOI) process. A series of split gates wrapped over the silicon…

Mesoscale and Nanoscale Physics · Physics 2020-12-02 Jingyu Duan , Michael A. Fogarty , James Williams , Louis Hutin , Maud Vinet , John J. L. Morton

Two-dimensional (2D) topological insulators (TIs), a new state of quantum matter, are promising for achieving the low-power-consuming electronic devices owning to the remarkable robustness of their conducting edge states against…

Materials Science · Physics 2016-11-15 Yandong Ma , Liangzhi Kou , Ying Dai , Thomas Heine

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

Increasing demands for renewable sources of energy has been a major driving force for developing efficient thermoelectric materials. Two-dimensional (2D) transition-metal dichalcogenides (TMDC) have emerged as promising candidates for…

Materials Science · Physics 2023-05-24 Sathwik Bharadwaj , Ashwin Ramasubramaniam , L. R. Ram-Mohan

We have developed a microspectroscopy technique for measuring gate-modulated reflectance to probe excitonic states in two-dimensional transition metal dichalcogenides. Successfully observing excited states of excitons from cryogenic to room…

Mesoscale and Nanoscale Physics · Physics 2026-05-08 Mengsong Xue , Kenji Watanabe , Takashi Taniguchi , Ryo Kitaura

Recently, short channel effects (SCE) and power consumption dissipation problems pose big challenges which need imperative actions to be taken to deal with for field effect transistor to further scale down as semiconductor technology enters…

Applied Physics · Physics 2023-04-18 Laixiang Qin , Chunlai Li , Ziang Xie , Yiqun Wei , Jin He

The evolution of particle detectors has always pushed the technological limit in order to provide enabling technologies to researchers in all fields of science. One archetypal example is the evolution of silicon detectors, from a system…

Instrumentation and Detectors · Physics 2017-07-04 Hartmut F. -W. Sadrozinski , Abraham Seiden , Nicolò Cartiglia

This paper reviews recent progress and key challenges in process and reliability for high-performance vertical GaN transistors and diodes, focusing on the 200 mm CMOS-compatible technology. We particularly demonstrated the potential of…

‹ Prev 1 8 9 10 Next ›