English
Related papers

Related papers: Few Layer HfS2 FET

200 papers

Dielectrics are insulating materials used in many different electronic devices and play an important role in all of them. Current advanced electronic devices use dielectric materials with a high dielectric constant and avoid high leakage…

Applied Physics · Physics 2019-05-17 Fei Hui

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…

Computational Physics · Physics 2025-01-08 Sirsendu Ghosh , Anamika Devi Laishram , Pramod Kumar

Metal-mediated exfoliation has been demonstrated as a promising approach for obtaining large-area flakes of 2D materials to fabricate prototypical nanoelectronics. However, several processing challenges related to organic contamination at…

Recent progress in the synthesis and assembly of two-dimensional (2D) materials has laid the foundation for various applications of atomically thin layer films. These 2D materials possess rich and diverse properties such as layer-dependent…

Applied Physics · Physics 2022-04-12 Ying Liu , Yanjun Fang , Deren Yang , Xiaodong Pi , Peijian Wang

Layered inorganic materials, such as the transition metal dichalcogenides (TMDs), have attracted much attention due to their exceptional electronic and optical properties. Reliable synthesis and characterization of these materials must be…

Materials Science · Physics 2016-02-08 Maria OBrien , Niall McEvoy , Damien Hanlon , Toby Hallam , Jonathan N. Coleman , Georg S. Duesberg

We have studied the optical conductivity of two-dimensional (2D) semiconducting transition metal dichalcogenides (STMDC) using ab-initio density functional theory (DFT). We find that this class of materials presents large optical response…

Materials Science · Physics 2013-11-06 A. Carvalho , R. M. Ribeiro , A. H. Castro Neto

In this article, we investigate electrical transport properties in ultrathin body (UTB) MoS2 two-dimensional (2D) crystals with channel lengths ranging from 2 {\mu}m down to 50 nm. We compare the short channel behavior of sets of MOSFETs…

Materials Science · Physics 2013-03-05 Han Liu , Adam T. Neal , Peide D. Ye

Charge-trap memory with high-\k dielectric materials is considered to be a promising candidate for next-generation memory devices. Ultrathin layered two-dimensional (2D) materials like graphene and MoS2 have been receiving much attention…

Materials Science · Physics 2014-07-29 Enze Zhang , Weiyi Wang , Cheng Zhang , Yibo Jin , Guodong Zhu , Qingqing Sun , David Wei Zhan , Peng Zhou , Faxian Xiu

Graphene, the atomically-thin honeycomb carbon lattice, is a highly conducting 2D material whose exposed electronic structure offers an ideal platform for sensing. Its biocompatible, flexible, and chemically inert nature associated to the…

In this paper, we report a novel chemical doping technique to reduce the contact resistance (Rc) of transition metal dichalcogenides (TMDs) - eliminating two major roadblocks (namely, doping and high Rc) towards demonstration of…

Molybdenum disulfide (MoS$_2$), a layered van der Waals material, has attracted considerable attention as a promising alternative to graphene for applications in field-effect transistors and nanophotonic devices because of its sizable band…

Materials Science · Physics 2026-04-16 Shunsuke Hirai , Ibuki Terada , Michi-To Suzuki

Low-resistivity metal-semiconductor (M-S) contact is one of the urgent challenges in the research of 2D transition metal dichalcogenides (TMDs). Here, we report a chloride molecular doping technique which greatly reduces the contact…

New technologies are necessary for the unprecedented expansion of connectivity and communications in the modern technological society. The specific needs of wireless communication systems in 5G and beyond, as well as devices for the future…

Mesoscale and Nanoscale Physics · Physics 2017-09-06 Francisco Pasadas

Layered two-dimensional (2D) materials display great potential for a range of applications, particularly in electronics. We report the large-scale synthesis of thin films of platinum diselenide (PtSe2), a thus far scarcely investigated…

High mobility is a crucial requirement for a large variety of electronic device applications. The state-of-the-art for high quality graphene devices is based on heterostructures made with graphene encapsulated in $>80\,$nm-thick flakes of…

Mesoscale and Nanoscale Physics · Physics 2022-07-27 Karuppasamy Pandian Soundarapandian , Domenico De Fazio , Sefaattin Tongay , Frank H. L. Koppens

Transition metal dichalcogenides (TMDs) display a rich variety of instabilities such as spin and charge orders, Ising superconductivity and topological properties. Their physical properties can be controlled by doping in electric…

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

Metal-organic frameworks (MOFs) are an important class of materials that present intriguing opportunities in the fields of sensing, gas storage, catalysis, and optoelectronics. Very recently, two-dimensional (2D) MOFs have been proposed as…

Materials Science · Physics 2018-10-15 Avijit Kumar , Kaustuv Banerjee , Adam S. Foster , Peter Liljeroth

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…

Control over the optical properties of atomically thin two-dimensional (2D) layers, including those of transition metal dichalcogenides (TMDs), is needed for future optoelectronic applications. Remarkable advances have been achieved through…