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We present an overview of recent studies of the charge transport in the field effect transistors on the surface of single crystals of organic low-molecular-weight materials. We first discuss in detail the technological progress that has…

Other Condensed Matter · Physics 2009-11-10 R. W. I. de Boer , M. E. Gershenson , A. F. Morpurgo , V. Podzorov

High performance enhancement mode semiconducting carbon nanotube field-effect transistors (CNTFETs) are obtained by combining ohmic metal-tube contacts, high dielectric constant HfO2 films as gate insulators, and electrostatically doped…

Mesoscale and Nanoscale Physics · Physics 2015-06-24 Ali Javey , Jing Guo , Damon B. Farmer , Qian Wang , Dunwei Wang , Roy G. Gordon , Mark Lundstrom , Hongjie Dai

A dual mode device behaving either as a field-effect transistor or a single electron transistor (SET) has been fabricated using silicon-on-insulator metal oxide semiconductor technology. Depending on the back gate polarisation, an electron…

Mesoscale and Nanoscale Physics · Physics 2012-05-17 Benoît Roche , Benoit Voisin , Xavier Jehl , Romain Wacquez , Marc Sanquer , Maud Vinet , Veeresh Deshpande , Bernard Previtali

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

Reducing the contact resistance of field-effect transistors based on two-dimensional materials is one of the key improvements required to enable the integration of such transistors in an advanced semiconductor manufacturing process.…

Mesoscale and Nanoscale Physics · Physics 2024-12-31 Giuseppe Lovarelli , Fabrizio Mazziotti , Demetrio Logoteta , Giuseppe Iannaccone

For the first time, n-type few-layer MoS2 field-effect transistors with graphene/Ti as the hetero-contacts have been fabricated, showing more than 160 mA/mm drain current at 1 {\mu}m gate length with an on-off current ratio of 107. The…

Materials Science · Physics 2014-05-13 Yuchen Du , Lingming Yang , Jingyun Zhang , Han Liu , Kausik Majumdar , Paul D. Kirsch , Peide D. Ye

Here we report the properties of field-effect transistors based on few layers of chemical vapor transport grown alpha- MoTe_2 crystals mechanically exfoliated onto SiO_2. We performed field-effect and Hall mobility measurements, as well as…

The cold source field-effect transistor (CSFET) is promising for reducing power dissipation in integrated circuits by engineering the density of states at the injecting source. Existing CSFET designs utilizing Dirac-source metals or…

Materials Science · Physics 2026-03-13 Shujin Guo , Qing Shi , Deping Guo , Fei Liu , Xianghua Kong , Yonghong Zhao , Hong Guo

We employ density functional theory plus dynamical mean field theory and identify the physical origin of why two layers of SrVO$_3$ on a SrTiO$_3$ substrate are insulating: the thin film geometry lifts the orbital degeneracy which in turn…

The notion of a spin field effect transistor, where transistor action is realized by manipulating the spin degree of freedom of charge carriers instead of the charge degree of freedom, has captivated researchers for at least three decades.…

Mesoscale and Nanoscale Physics · Physics 2023-06-21 Supriyo Bandyopadhyay

High-performance $n$-type organic field-effect transistors were developed with ionic-liquid gates and N,N$^"$-bis(n-alkyl)-(1,7 and 1,6)-dicyanoperylene-3,4:9,10-bis(dicarboximide)s single-crystals. Transport measurements show that these…

Materials Science · Physics 2015-05-20 S. Ono , N. Minder , Z. Chen , A. Facchetti , A. F. Morpurgo

The field-effect technique, popular thanks to its application in common field-effect transistors, is here applied to metallic thin films by using as a dielectric a novel polymer electrolyte solution. The maximum injected surface charge,…

Mesoscale and Nanoscale Physics · Physics 2013-12-10 M. Tortello , A. Sola , Kanudha Sharda , F. Paolucci , J. R. Nair , C. Gerbaldi , D. Daghero , R. S. Gonnelli

Bottom-up synthesized GNRs and GNR heterostructures have promising electronic properties for high performance field effect transistors (FETs) and ultra-low power devices such as tunnelling FETs. However, the short length and wide band gap…

We fabricated silicon metal-oxide-semiconductor field effect transistors where an additional sodium-doped layer was incorporated into the oxide to create potential fluctuations at the Si-SiO2 interface. The amplitude of these fluctuations…

Strongly Correlated Electrons · Physics 2010-10-12 T. Ferrus , R. George , C. H. W. Barnes , M. Pepper

We demonstrate the field-effect transistor (FET) operation of molecularly-thin anatase phase produced through solid state transformation from Ti0.87O2 nanosheets. Monolayer Ti0.87O2 nanosheet with a thickness of 0.7 nm is two-dimensional…

Materials Science · Physics 2017-08-31 S. Sekizaki , M. Osada , K. Nagashio

Heterostructures made of transition metal oxides are new tailor-made materials which are attracting much attention. We have constructed a 6-band k.p Hamiltonian and used it within the envelope function method to calculate the subband…

Mesoscale and Nanoscale Physics · Physics 2014-01-09 L. W. van Heeringen , G. A. de Wijs , A. McCollam , J. C. Maan , A. Fasolino

The dielectric engineered tunnel field-effect transistor (DE-TFET) as a high performance steep transistor is proposed. In this device, a combination of high-k and low-k dielectrics results in a high electric field at the tunnel junction. As…

Mesoscale and Nanoscale Physics · Physics 2015-10-23 Hesameddin Ilatikhameneh , Tarek A. Ameen , Gerhard Klimeck , Joerg Appenzeller , Rajib Rahman

Next generation quantum technologies will need to rely on efficient transduction between electrical, optical, and mechanical quantum degrees of freedom to generate large-scale entanglement over large distances. The performance of such…

Graphene field-effect transistors are fabricated utilizing single-crystal hexagonal boron nitride (h-BN), an insulating isomorph of graphene, as the gate dielectric. The devices exhibit mobility values exceeding 10,000 cm2/V-sec and current…

Mesoscale and Nanoscale Physics · Physics 2016-11-18 I. Meric , C. R. Dean , A. F. Young , J. Hone , P. Kim , K. L. Shepard

Investigation of the inherent field-driven charge transport behaviour of 3D lead halide perovskites has largely remained a challenging task, owing primarily to undesirable ionic migration effects near room temperature. In addition, the…