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Related papers: Epitaxial graphene transistors on SiC substrates

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Epitaxial graphene (EG) produced from SiC surfaces by silicon sublimation is emerging as a material for electronic applications due to its good electronic properties and availability over large areas on a semiconducting substrate. In this…

Mesoscale and Nanoscale Physics · Physics 2019-03-14 A. Hernández-Mínguez , A. Tahraoui , J. M. J. Lopes , P. V. Santos

Structured growth of high quality graphene is necessary for technological development of carbon based electronics. Specifically, control of the bunching and placement of surface steps under epitaxial graphene on SiC is an important…

Mesoscale and Nanoscale Physics · Physics 2016-11-29 James Palmer , Jan Kunc , Yike Hu , John Hankinson , Zelei Guo , Claire Berger , Walt de Heer

Discoveries of graphene and graphane possessing unique electronic and magnetic properties offer a bright future for carbon based electronics, with future prospects of superseding silicon in the semiconductor industry.

Materials Science · Physics 2015-03-13 Julia Berashevich , Tapash Chakraborty

A versatile Graphene Epitaxy (GrapE) furnace has been designed and fabricated for the growth of epitaxial graphene (EG) on silicon carbide (SiC) under diverse growth environments ranging from high vacuum to atmospheric argon pressure.…

Materials Science · Physics 2024-03-05 S. Mondal , U. J. Jayalekshmi , S. Singh , R. K. Mukherjee , A. K Shukla

Two-dimensional (2D) magnetic materials integrated with graphene offer a compelling platform for next-generation spintronic devices, yet nickel in its 2D form remains largely unexplored, due to fundamental synthesis limitations. Here, we…

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…

Graphene multilayers are grown epitaxially on single crystal silicon carbide. This system is composed of several graphene layers of which the first layer is electron doped due to the built-in electric field and the other layers are…

We present a new method of producing a densely ordered array of epitaxial graphene nanoribbons (GNRs) using vicinal SiC surfaces as a template, which consist of ordered pairs of (0001) terraces and nanofacets. Controlled selective growth of…

Electronic devices using epitaxial graphene on Silicon Carbide require encapsulation to avoid uncontrolled doping by impurities deposited in ambient conditions. Additionally, interaction of the graphene monolayer with the substrate causes…

When epitaxial graphene layers are formed on SiC(0001), the first carbon layer (known as the "buffer layer"), while relatively easy to synthesize, does not have the desirable electrical properties of graphene. The conductivity is poor due…

Materials Science · Physics 2015-05-18 S. Oida , F. R. McFeely , J. B. Hannon , R. M. Tromp , M. Copel , Z. Chen , Y. Sun , D. B. Farmer , J. Yurkas

Graphene is an attractive material for microelectronics applications, given such favourable electrical characteristics as high mobility, high operating frequency, and good stability. If graphene is to be implemented in electronic devices on…

Materials Science · Physics 2019-06-14 B. C. Worley , S. Kim , T. J. Ha , S. Park , R. Haws , P. Rossky , D. Akinwande , A. Dodabalapur

Graphene demonstrated potential for practical applications owing to its excellent electronic and thermal properties. Typical graphene field-effect transistors and interconnects built on conventional SiO2/Si substrates reveal the breakdown…

Materials Science · Physics 2015-06-04 Jie Yu , Guanxiong Liu , Anirudha V. Sumant , Vivek Goyal , Alexander A. Balandin

This work evaluates the performance of carbon nanotube field effect transistors (CNTFET) using few layer graphene as the contact electrode material. We present the experimental results obtained on the barrier height at CNT graphene junction…

Mesoscale and Nanoscale Physics · Physics 2016-11-17 P R Yasasvi Gangavarapu , Punith Chikkahalli Lokesh , K N Bhat , A K Naik

Owing to their unprecedented electronic properties, graphene and two-dimensional (2D) crystals have brought fresh opportunities for advances in planar spintronic devices. Graphene is an ideal medium for spin transport while also being an…

Mesoscale and Nanoscale Physics · Physics 2019-03-27 I. G. Serrano , J. Panda , Fernand Denoel , Örjan Vallin , Dibya Phuyal , Olof Karis , M. Venkata Kamalakar

One of the ways to use graphene in field effect transistors is to introduce a band gap by quantum confinement effect [1]. That is why narrow graphene nanoribbons (GNRs) with width less than 50nm are considered to be essential components in…

Graphene, a hexagonal sheet of $sp^2$-bonded carbon atoms, has extraordinary properties which hold immense promise for future nanoelectronic applications. Unfortunately, the popular preparation methods of micromechanical cleavage and…

Mesoscale and Nanoscale Physics · Physics 2015-05-20 Andrew Zangwill , Dimitri D. Vvedensky

Graphene oxide (GO) flakes have been deposited to bridge the gap between two epitaxial graphene electrodes to produce all-graphene devices. Electrical measurements indicate the presence of Schottky barriers (SB) at the graphene/graphene…

Mesoscale and Nanoscale Physics · Physics 2008-07-07 Xiaosong Wu , Mike Sprinkle , Xuebin Li , Fan Ming , Claire Berger , Walt A. de Heer

Carbon-based materials like nanotubes and graphene are heavily investigated as future CMOS-like devices and in interconnect applications. While much of the interest has been devoted to the device aspects in competition to conventional CMOS…

Materials Science · Physics 2010-12-23 Franz Kreupl

Realization of post-CMOS graphene electronics requires production of semiconducting graphene, which has been a labor-intensive process. We present tailoring of silicon carbide crystals via conventional photolithography and microelectronics…

Materials Science · Physics 2015-05-18 M. Sprinkle , M. Ruan , X. Wu , Y. Hu , M. Rubio-Roy , J. Hankinson , N. K. Madiomanana , C. Berger , W. A. de Heer

Employing density-functional calculations we study single and double graphene layers on Si- and C-terminated 1x1-6H-SiC surfaces. We show that, in contrast to earlier assumptions, the first carbon layer is covalently bonded to the…

Materials Science · Physics 2009-11-13 Alexander Mattausch , Oleg Pankratov