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We report the performance of field-effect transistors (FETs), comprised of mono-layer of recently synthesized layered two-dimensional MoSi2N_4 as channel material, using the first principles quantum transport simulations. The devices'…

介观与纳米尺度物理 · 物理学 2022-05-11 Keshari Nandan , Barun Ghosh , Amit Agarwal , Somnath Bhowmick , Yogesh S. Chauhan

The hole carrier field-effect mobility of hybrid molybdenum disulfide (MoS2) nanoparticles suspended in poly(3-hexylthiophene) (P3HT) thin film transistor (TFT) was found to be enhanced when it compared to P3HT-only TFTs. The improvement in…

应用物理 · 物理学 2020-02-05 Hyunwoo Choi , William Wong

We report optically as well as electronically controlled, bio-electronic field-effect transistor (FET) based on the hybrid film of a photo-active purple membrane and electronically conducting single-walled carbon nanotubes (SWNTs). Two…

应用物理 · 物理学 2024-09-05 Vikram Bakaraju , Senthil Prasad , Brijesh Meena , Harsh Chaturvedi

Sub-10nm wide graphene nanoribbon field-effect transistors (GNRFETs) are studied systematically. All sub-10nm GNRs afforded semiconducting FETs without exception, with Ion/Ioff ratio up to 10^6 and on-state current density as high as…

介观与纳米尺度物理 · 物理学 2009-11-13 Xinran Wang , Yijian Ouyang , Xiaolin Li , Hailiang Wang , Jing Guo , Hongjie Dai

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…

High-performance solution-processed short-channel carbon nanotube (CNT) thin film transistors (TFTs) are fabricated using densely aligned arrays of metallic CNTs (m-CNTs) as source and drain electrodes, and aligned arrays of semiconducting…

介观与纳米尺度物理 · 物理学 2015-06-18 Biddut K. Sarker , Narae Kang , Saiful I. Khondaker

Electrical and optical characterization of two-dimensional/three-dimensional (2D/3D) p-molybdenum disulfide/n-gallium nitride (p-MoS2/n-GaN) heterojunction diodes are reported. Devices were fabricated on high-quality, large-area p-MoS2…

Large capacitance enhancement is useful for increasing the gate capacitance of field-effect transistors (FETs) to produce low-energy-consuming devices with improved gate controllability. We report strong capacitance enhancement effects in a…

Nanostructured materials have wide potential applicability as field emitters due to their high aspect ratio. We hydrothermally synthesized MoS2 nanoflowers on copper foil and characterized their field emission properties, by applying a…

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…

Over the past few years, there has been a growing interest in layered transition metal dichalcogenides (TMD) such as molybdenum disulfide (MoS2). Most studies so far have focused on the electronic and optoelectronic properties of…

介观与纳米尺度物理 · 物理学 2016-10-03 Morteza Kayyalha , Jesse Maassen , Mark Lundstrom , Li Shi , Yong P. Chen

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…

Vertical field effect transistors (VFETs) show many advantages such as high switching speed, low operating voltage, low power consumption, and miniaturization over lateral FETs. However, VFET still faces the main challenges of high…

计算物理 · 物理学 2025-01-08 Sirsendu Ghosh , Anamika Devi Laishram , Pramod Kumar

Single layer molybdenum disulfide (SLMoS2), a semiconductor possesses intrinsic bandgap and high electron mobility, has attracted great attention due to its unique electronic, optical, mechanical and thermal properties. Although thermal…

介观与纳米尺度物理 · 物理学 2019-06-14 Han Meng , Dengke Ma , Xiaoxiang Yu , Lifa Zhang , Zhijia Sun , Nuo Yang

The measurement of acetone in human breath, a known biomarker for diabetes, can act as an effective screening method for diabetes. While gas chromatography and mass spectroscopy based methods can detect gases in low concentration, they are…

应用物理 · 物理学 2019-06-26 Sumant Sarkar , Alison Viegas , Srinivasa R. Raghavan

In the quest to increase battery performance, nanostructuring battery electrodes gives access to architectures with electrical conductivity and solid-state diffusion regimes not accessible with traditional electrodes based on aggregated…

Gas sensors built using two-dimensional (2D) MoS2 have conventionally relied on a change in field-effect-transistor (FET) channel resistance or a change in Schottky contact/pn homojunction barrier. This report demonstrates, for the first…

应用物理 · 物理学 2020-09-25 Sushovan Dhara , Himani Jawa , Sayantan Ghosh , Abin Varghese , Saurabh Lodha

The attachment of semiconducting nanoparticles to carbon nanotubes is one of the most challenging subjects in nanotechnology. Successful high coverage attachment and control over the charge transfer mechanism and photo-current generation…

材料科学 · 物理学 2015-07-20 Alina Chanaewa , Beatriz H. Juarez , Horst Weller , Christian Klinke

The electronic transport and the sensing performance of an individual SnO2 crossed nanowires device in a three-terminal field effect configuration were investigated using a combination of macroscopic transport measurements and Scanning…

材料科学 · 物理学 2009-11-11 S. V. Kalinin , J. Shin , S. Jesse , D. Geohegan , A. P. Baddorf , Y. Lilach , M. Moskovits , A. Kolmakov

We report an improved photosensitivity in few-layer tin disulfide (SnS2) field-effect transistors (FETs) following doping with CdSe/ZnS core/shell quantum dots (QDs). The hybrid QD-SnS2 FET devices achieve more than 500 percent increase in…

介观与纳米尺度物理 · 物理学 2016-04-20 Yuan Huang , Huidong Zang , Jia-Shiang Chen , Eli A. Sutter , Peter W. Sutter , Chang-Yong Nam , Mircea Cotlet