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Ferroelectric field-effect transistors (FeFET) with two-dimensional (2D) semiconductor channels are promising low-power, embedded non-volatile memory (NVM) candidates for next-generation in-memory computing. However, the performance of…

Monolayer Molybdenum Disulfide (MoS2) with a direct band gap of 1.8 eV is a promising two-dimensional material with a potential to surpass graphene in next generation nanoelectronic applications. In this letter, we synthesize monolayer MoS2…

Mesoscale and Nanoscale Physics · Physics 2013-06-18 Han Liu , Mengwei Si , Sina Najmaei , Adam T. Neal , Yuchen Du , Pulickel M. Ajayan , Jun Lou , Peide D. Ye

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…

We report field-effect transistors (FETs) with single-crystal molybdenum disulfide (MoS2) channels synthesized by chemical vapor deposition (CVD). For a bilayer MoS2 FET, the mobility is ~17 cm2V-1s-1 and the on/off current ratio is ~108,…

Materials Science · Physics 2015-06-15 Wei Wu , Debtanu De , Su-Chi Chang , Yanan Wang , Haibing Peng , Jiming Bao , Shin-Shem Pei

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

Atomically thin, single-crystalline transition metal dichalcogenides (TMDCs) grown via chemical vapor deposition (CVD) on sapphire substrates exhibit exceptional mechanical and electrical properties, positioning them as excellent channel…

This work presents a detailed experimental investigation of the interaction between molecular hydrogen (H$_2$) and monolayer MoS$_2$ field effect transistors (MoS$_2$ FET), aiming for sensing application. The MoS$_2$ FET exhibits a response…

In this work, we demonstrate interfacial charge transfer-driven transport enhancement in few-layer graphene monolayer MoS2 vertical heterostructure field-effect transistor. Raman scattering and Raman intensity mapping results confirm the…

Charge transport in MoS2 in the low carrier density regime is dominated by trap states and band edge disorder. The intrinsic transport properties of MoS2 emerge in the high density regime where conduction occurs via extended states. Here,…

Mesoscale and Nanoscale Physics · Physics 2014-12-08 Leiqiang Chu , Hennrik Schmidt , Jiang Pu , Shunfeng Wang , Barbaros Özyilmaz , Taishi Takenobu , Goki Eda

Transfer techniques based on two dimensional (2D) materials and devices offer immense potential towards their industrial integration with the existing silicon based electronics. To achieve high quality devices, there is an urgent…

Mesoscale and Nanoscale Physics · Physics 2023-09-18 Sameer Kumar Mallik , Roshan Padhan , Suman Roy , Mousam Charan Sahu , Sandhyarani Sahoo , Satyaprakash Sahoo

Ionic liquid gated field-effect transistors (FETs) based on semiconducting transition metal dichalcogenides (TMDs) are used to study a rich variety of extremely interesting physical phenomena, but important aspects of how charge carriers…

Materials Science · Physics 2019-12-17 Haijing Zhang , Christophe Berthod , Helmuth Berger , Thierry Giamarchi , Alberto F. Morpurgo

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

Two-dimensional (2D) layered materials-based field-effect transistors (FETs) are promising for ultimate scaled electron device applications because of the improved electrostatics to atomically thin body thickness. However, compared with the…

Applied Physics · Physics 2019-10-02 Nan Fang , Kosuke Nagashio

We investigate the design of steep-slope metal-oxide-semiconductor field-effect transistors (MOSFETs) exploiting monolayers of transition metal dihalides as channel materials. With respect to other previously proposed steep-slope…

Mesoscale and Nanoscale Physics · Physics 2021-06-24 Demetrio Logoteta , Jiang Cao , Marco Pala , Paolo Marconcini , Giuseppe Iannaccone

Transient currents in atomically thin MoTe$_2$ field-effect transistor are measured during cycles of pulses through the gate electrode. The transients are analyzed in light of a newly proposed model for charge trapping dynamics that renders…

Atomically thin semiconducting MoS2 is of great interest for high-performance flexible electronic and optoelectronic devices. Initial measurements using back-gated field-effect transistor (FET) structures on SiO2 yielded mobility of 1-50…

Mesoscale and Nanoscale Physics · Physics 2015-06-12 Michael S. Fuhrer , James Hone

Two-dimensional (2D) semiconducting transition metal dichalcogenides (TMDs) are good candidates for high-performance flexible electronics. However, most demonstrations of such flexible field-effect transistors (FETs) to date have been on…

Field-effect transistors (FETs) with non-covalently functionalised molybdenum disulfide (MoS2) channels grown by chemical vapour deposition (CVD) on SiO2 are reported. The dangling-bond-free surface of MoS2 was functionalised with a…

Molybdenum disulfide (MoS2) nanosheet, one of two dimensional (2D) semiconductors, has recently been regarded as a promising material to break through the limit of present semiconductors including graphene. However, its potential in carrier…

Mesoscale and Nanoscale Physics · Physics 2014-06-27 Hee Sung Lee , Seung Su Baik , Sung-Wook Min , Pyo Jin Jeon , Jin Sung Kim , Kyujin Choi , Sunmin Ryu , Hyoung Joon Choi , Jae Hoon Kim , Seongil Im

We report the realization of field-effect transistors (FETs) made with chemically synthesized multilayer 2D crystal semiconductor MoS2. Electrical properties such as the FET mobility, subthreshold swing, on/off ratio, and contact resistance…

Mesoscale and Nanoscale Physics · Physics 2015-01-30 Wan Sik Hwang , Maja Remskar , Rusen Yan , Tom Kosel , Jong Kyung Park , Byung Jin Cho , Wilfried Haensch , Huili , Xing , Alan Seabaugh , Debdeep Jena
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