English
Related papers

Related papers: Dual Metal-Gate Planar Field-Effect Transistor for…

200 papers

We realize and investigate ionic liquid gated field-effect transistors (FETs) on large-area MoS2 monolayers grown by chemical vapor deposition (CVD). Under electron accumulation, the performance of these devices is comparable to that of…

Mesoscale and Nanoscale Physics · Physics 2016-02-05 Evgeniy Ponomarev , Ignacio Gutiérrez-Lezama , Nicolas Ubrig , Alberto F. Morpurgo

Using accurate dissipative DFT-NEGF atomistic-simulation techniques within the Wannier-Function formalism, we give a fresh look at the possibility of sub-10 nm scaling for high-performance CMOS applications. We show that a combination of…

Applied Physics · Physics 2021-02-05 Aryan Afzalian

The realization of both p-type and n-type operations in a single organic field effect transistor (OFET) is critical for simplifying the design of complex organic circuits. Typically, only p-type or n-type operation is realized in an OFET,…

Charge-based field-effect transistors (FETs) greatly suffer from unavoidable carrier scattering and heat dissipation. In analogy to valley degree of freedom in semiconductors, chiral anomaly current in Weyl/Dirac semimetals is theoretically…

Applied Physics · Physics 2021-03-02 Jiewei Chen , Ting Zhang , Jingli Wang , Ning Zhang , Wei Ji , Shuyun Zhou , Yang Chai

We report density-functional theory (DFT), atomistic simulations of the non-equilibrium transport properties of carbon nanotube (CNT) field-effect transistors (FETs). Results have been obtained within a self-consistent approach based on the…

Mesoscale and Nanoscale Physics · Physics 2007-05-23 L. Latessa , A. Pecchia , A. Di Carlo

We present a physics-based circuit-compatible model for pH-sensitive field-effect transistors based on two-dimensional (2D) materials. The electrostatics along the electrolyte-gated 2D-semiconductor stack is treated by solving the Poisson…

A finite Schottky barrier and large contact resistance between monolayer MoS2 and electrodes are the major bottlenecks in developing high-performance field-effect transistors (FETs) that hinder the study of intrinsic quantum behaviors such…

The unique property of bilayer graphene to show a band gap tunable by external electrical fields enables a variety of different device concepts with novel functionalities for electronic, optoelectronic and sensor applications. So far the…

Materials Science · Physics 2016-09-21 Bartholomaeus N. Szafranek , Daniel Schall , Martin Otto , Daniel Neumaier , Heinrich Kurz

Modern electronics are developing electronic-optical integrated circuits, while their electronic backbone, e.g. field-effect transistors (FETs), remains the same. However, further FET down scaling is facing physical and technical…

Optics · Physics 2020-06-02 Jason K. Marmon , Satish C. Rai , Kai Wang , Weilie Zhou , Yong Zhang

Quantum mechanical effects induced by the miniaturization of complementary metal-oxide-semiconductor (CMOS) technology hamper the performance and scalability prospects of field-effect transistors. However, those quantum effects, such as…

Spintronics aims to exploit the spin degree of freedom in solid state devices for data storage and information processing technologies. The fundamental spintronic device concepts such as creation, manipulation and detection of spin…

Mesoscale and Nanoscale Physics · Physics 2016-10-21 André Dankert , Saroj P. Dash

The field effect transistors (FETs) exhibited ultrahigh responsivity (107 A/W) to infrared light with great improvement of mobility in graphene / PbS quantum dot (QD) hybrid. These reported transistors are either unipolar or depletion mode…

Instrumentation and Detectors · Physics 2014-10-10 Ran Wang , Yating Zhang , Haiyang Wang , Xiaoxian Song , Lufan Jin , Haitao Dai , Sen Wu , Jianquan Yao

To realize the full spectrum of advantages that the III-nitride materials system offers, the demonstration of p-channel III-nitride based devices is valuable. Authors report the first p-type field effect transistor (pFET) based on an…

Applied Physics · Physics 2019-12-12 Athith Krishna , Aditya Raj , Nirupam Hatui , Onur Koksaldi , Raina Jang , Stacia Keller , Umesh Mishra

We propose a spintronic metal oxide semiconductor field effect transistor (spin MOSFET) where a spin gapless semiconductor (SGS) constitutes the channel and the drain is a ferromagnetic metal. SGS exhibit a non-zero band gap in only one of…

Materials Science · Physics 2016-06-22 Patrizio Graziosi

Ultrathin (~3 quintuple layer) field-effect transistors (FETs) of topological insulator Bi2Se3 are prepared by mechanical exfoliation on 300nm SiO2/Si susbtrates. Temperature- and gate-voltage dependent conductance measurements show that…

Mesoscale and Nanoscale Physics · Physics 2012-01-19 Sungjae Cho , Nicholas P. Butch , Johnpierre Paglione , Michael S. Fuhrer

Ferroelectric semiconductor field effect transistors (FeSmFETs), which employ ferroelectric semiconducting thin crystals of {\alpha}-In2Se3 as the channel material as opposed to the gate dielectric in conventional ferroelectric FETs…

We present an analytical device model for a graphene bilayer field-effect transistor (GBL-FET) with a graphene bilayer as a channel, and with back and top gates. The model accounts for the dependences of the electron and hole Fermi energies…

Mesoscale and Nanoscale Physics · Physics 2015-05-13 V. Ryzhii , M. Ryzhii , A. Satou , T. Otsuji , N. Kirova

We report high performance p-type field-effect transistors based on single layered (thickness, ~0.7 nm) WSe2 as the active channel with chemically doped source/drain contacts and high-{\kappa} gate dielectrics. The top-gated monolayer…

Mesoscale and Nanoscale Physics · Physics 2012-06-22 Hui Fang , Steven Chuang , Ting Chia Chang , Kuniharu Takei , Toshitake Takahashi , Ali Javey

Two-dimensional materials-based field-effect transistors (2DM-FETs) exhibit both ambipolar and unipolar transport types. To physically and compactly cover both cases, we put forward a quasi-Fermi-level phase space (QFLPS) approach to model…

We report the fabrication of both n-type and p-type WSe2 field effect transistors with hexagonal boron nitride passivated channels and ionic-liquid (IL)-gated graphene contacts. Our transport measurements reveal intrinsic channel properties…

‹ Prev 1 8 9 10 Next ›