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We numerically investigate the possibility of using Tunnel field-effect transistor (TFET) in a 32 kHz crystal oscillator circuit to reduce power consumption. A simulation using SPICE (Simulation Program with Integrated Circuit Emphasis) is…

Applied Physics · Physics 2017-10-23 Tetsufumi Tanamoto , Chika Tanaka , Satoshi Takaya , Masato Koyama

In this paper, we present experimental results and simulation data of an electrostatically doped and therefore voltage-programmable, planar, CMOS-compatible field-effect transistor (FET) structure. This planar device is based on our…

Mesoscale and Nanoscale Physics · Physics 2015-02-17 Tillmann Krauss , Frank Wessely , Udo Schwalke

Semiconducting two-dimensional transition metal chalcogenide crystals have been regarded as the promising candidate for the future generation of transistor in modern electronics. However, how to fabricate those crystals into practical…

Mesoscale and Nanoscale Physics · Physics 2014-11-18 Xue Liu , Jin Hu , Chunlei Yue , Nicholas D. Della Fera , Yun Ling , Zhiqiang Mao , Jiang Wei

Field-effect transistors based on band-to-band tunneling (BTBT) have gained a lot of recent interest due to their potential for reducing power dissipation in integrated circuits. In this paper we present a detailed performance comparison…

Mesoscale and Nanoscale Physics · Physics 2009-11-13 Siyuranga O. Koswatta , Mark S. Lundstrom , Dmitri E. Nikonov

Structural and electronic properties of silicene adsorbed by five kinds of transition metal atoms (Cu, Ag, Au, Pt, and Ir) are systematically studied by using first-principles calculations. We find that such adsorption can induce a band gap…

Materials Science · Physics 2015-06-18 Zeyuan Ni , Hongxia Zhong , Xinhe Jiang , Ruge Quhe , Yangyang Wang , Junjie Shi , Jing Lu

We report a new strategy for fabricating 2D/2D low-resistance ohmic contacts for a variety of transition metal dichalcogenides (TMDs) using van der Waals assembly of substitutionally doped TMDs as drain/source contacts and TMDs with no…

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

Strain engineering has recently been explored to improve tunnel field-effect transistors (TFETs). Here, we report design and performance of strained ultra-thin-body (UTB) III-V TFETs by quantum transport simulations. It is found that for an…

Mesoscale and Nanoscale Physics · Physics 2016-05-04 Jun Z. Huang , Yu Wang , Pengyu Long , Yaohua Tan , Michael Povolotskyi , Gerhard Klimeck

Spin field effect transistors (SpinFET) are an iconic class of spintronic devices that exploit gate tuned spin-orbit interaction in semiconductor channels interposed between ferromagnetic source and drain contacts to elicit transistor…

Mesoscale and Nanoscale Physics · Physics 2023-11-08 Rahnuma Rahman , Supriyo Bandyopadhyay

A new compact modeling approach is presented which describes the full current-voltage (I-V) characteristic of high-performance (aggressively scaled-down) tunneling field-effect-transistors (TFETs) based on homojunction direct-bandgap…

Mesoscale and Nanoscale Physics · Physics 2015-11-02 Ramon B. Salazar , Hesameddin Ilatikhameneh , Rajib Rahman , Gerhard Klimeck , Joerg Appenzeller

We develop a novel field effect transistor (FET) device using solid ion conductor (SIC) as a gate dielectric, and we can tune the carrier density of FeSe by driving lithium ions in and out of the FeSe thin flakes, and consequently control…

Superconductivity · Physics 2017-03-08 B. Lei , N. Z. Wang , C. Shang , F. B. Meng , L. K. Ma , X. G. Luo , T. Wu , Z. Sun , Y. Wang , Z. Jiang , B. H. Mao , Z. Liu , Y. J. Yu , Y. B. Zhang , X. H. Chen

In this work, we propose the Bilayer Graphene Tunnel Field Effect Transistor (BG-TFET) as a device suitable for fabrication and circuit integration with present-day technology. It provides high Ion/Ioff ratio at ultra-low supply voltage,…

Mesoscale and Nanoscale Physics · Physics 2015-05-13 G. Fiori , G. Iannaccone

Here, we propose a Charge Plasma (CP)-based Germanium Double Gate Tunnel Field-Effect Transistor (Ge-DGTFET) device structure, where a CP is induced in the heavily doped source region using the work function engineering of source electrode.…

Applied Physics · Physics 2022-12-29 Sambhu P. Malik , Ajeet K. Yadav , Robin Khosla

We propose a concept for a graphene tunnel field-effect transistor. The main idea is based on the use of two graphene electrodes with zigzag termination divided by a narrow gap under the influence of the common gate. Our analysis shows that…

Mesoscale and Nanoscale Physics · Physics 2014-02-07 V. L. Katkov , V. A. Osipov

The influence of edge vacancies on the working ability of the planar graphene tunnel field-effect transistor (TFET) is studied at various concentrations and distributions (normal, uniform, periodic) of defects. All calculations are…

Materials Science · Physics 2017-08-02 A. A. Glebov , V. L. Katkov , V. A. Osipov

We demonstrate a tunnel field effect transistor based on a lateral heterostructure patterned from an $\mathrm{LaAlO_3/SrTiO_3}$ electron gas. Charge is injected by tunneling from the $\mathrm{LaAlO_3}$/$\mathrm{SrTiO_3}$ contacts and the…

Mesoscale and Nanoscale Physics · Physics 2019-06-19 A. Müller , C. Şahin , M. Z. Minhas , M. E. Flatté , G. Schmidt

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

Long-range moire patterns in twisted WSe2 enable a built-in, moire-length-scale ferroelectric polarization that can be directly harnessed in electronic devices. Such a built-in ferroic landscape offers a compelling means to enable…

Materials Science · Physics 2025-12-10 Arup Singha , Shaili Sett , Kenji Watanabe , Takashi Taniguchi , Arindam Ghosh , Rahul Debnath

We demonstrate dual-gated $p$-type field-effect transistors (FETs) based on few-layer tungsten diselenide (WSe$_2$) using high work-function platinum source/drain contacts, and a hexagonal boron nitride top-gate dielectric. A device…

We fabricate and characterize dual-gated graphene field-effect transistors (FETs) using Al2O3 as top-gate dielectric. We use a thin Al film as a nucleation layer to enable the atomic layer deposition of Al2O3. Our devices show mobility…

Mesoscale and Nanoscale Physics · Physics 2009-11-13 Seyoung Kim , Junghyo Nah , Insun Jo , Davood Shahrjerdi , Luigi Colombo , Zhen Yao , Emanuel Tutuc , Sanjay K. Banerjee