English
Related papers

Related papers: Hydrogen-mediated CVD epitaxy of Graphene on SiC: …

200 papers

Graphene nanoribbons (GNRs) with widths of a few nanometres are promising candidates for future nano-electronic applications due to their structurally tunable bandgaps, ultrahigh carrier mobilities, and exceptional stability. However, the…

Several ten $\mu$m GaN have been deposited on a silicon substrate using a two-step hydride vapor phase epitaxy (HVPE) process. The substrates have been covered by AlN layers and GaN nanostructures grown by plasma-assisted molecular-beam…

Materials Science · Physics 2016-05-25 U. Jahn , M. Musolino , J. Lähnemann , P. Dogan , S. Fernández Garrido , J. F. Wang , K. Xu , D. Cai , L. F. Bian , X. J. Gong , H. Yang

CVD grown graphene used in (scanning) transmission electron microscopy ((S)TEM) studies must undergo a careful transfer of the one-atom-thick membrane from the growth surface (typically a Cu foil) to the TEM grid. During this transfer…

Materials Science · Physics 2018-08-06 Ondrej Dyck , Songkil Kim , Sergei V. Kalinin , Stephen Jesse

We report catalyst-free direct synthesis of vertical graphene nanosheets (VGNs) on SiO2/Si and quartz substrates using microwave electron cyclotron resonance - plasma enhanced chemical vapor deposition. The evolution of VGNs is studied…

The growth process of single layer graphene with and without substrate is investigated using ab initio, finite temperature molecular dynamic calculations within density functional theory. An understanding of the epitaxial graphene growth…

Materials Science · Physics 2012-06-27 V. Ongun Özçelik , S. Cahangirov , S. Ciraci

Graphene films grown by vapor deposition tend to be polycrystalline due to the nucleation and growth of islands with different in-plane orientations. Here, using low-energy electron microscopy, we find that micron-sized graphene islands on…

Classical molecular-dynamics simulations were carried out to study epitaxial growth of graphene on 6H-SiC(0001) substrate. It was found that there exists a threshold annealing temperature above which we observe formation of graphitic…

Mesoscale and Nanoscale Physics · Physics 2012-02-23 N. Jakse , R. Arifin , S. K. Lai

We study the growth and microscopic structure of large-area graphene monolayers, grown on copper single crystals by chemical vapor deposition (CVD) in ultra-high vacuum (UHV). Using atomic-resolution scanning tunneling microscopy (STM), we…

Mesoscale and Nanoscale Physics · Physics 2010-08-23 L. Zhao , K. T. Rim , H. Zhou , R. He , T. F. Heinz , A. Pinczuk , G. W. Flynn , A. N. Pasupathy

Emerging flexible and wearable technologies such as healthcare electronics and energy-harvest devices could be transformed by the unique properties of graphene. The vision for a graphene-driven industrial revolution is motivating intensive…

Materials Science · Physics 2015-06-30 Thomas H. Bointon , Matthew D. Barnes , Saverio Russo , Monica F. Craciun

We report graphene films composed mostly of one or two layers of graphene grown by controlled carbon precipitation on the surface of polycrystalline Ni thin films during atmospheric chemical vapor deposition(CVD). Controlling both the…

A novel route for the synthesis of large area graphene by an indigenously built electron cyclotron resonance (ECR) plasma enhanced chemical vapor deposition (PECVD) setup has been reported in this work. A unique 2.45 GHz permanent magnet…

Materials Science · Physics 2019-01-23 S. Karmakar , S. K. Kundu , G. S. Taki

This work reports the peculiar properties of a graphene film prepared by the chemical vapor deposition (CVD) of ethylene in high vacuum on a well oriented and carefully cleaned Pt(111) crystal surface maintained at high temperature. In-situ…

Mesoscale and Nanoscale Physics · Physics 2015-06-15 E. Cazzanelli , T. Caruso , M. Castriota , A. R. Marino , A. Politano , G. Chiarello , M. Giarola , G. Mariotto

Single layer graphene foils produced by Chemical Vapor Deposition (CVD) are rolled with self-positioned layers of InGaAs/Cr forming compact multi-turn tubular structures that consist on successive graphene/metal/semiconductor…

Materials Science · Physics 2015-06-19 Ingrid D. Barcelos , Luciano G. Moura , Rodrigo G. Lacerda , Angelo Malachias

A clean, flat and orientation-identified graphene on a substrate is in high demand for graphene electronics. In this study, the hetero-epitaxial graphene growth on Cu(111)/mica(001) by chemical vapor deposition is investigated to check the…

Materials Science · Physics 2015-10-08 J. L. Qi , K. Nagashio , T. Nishimura , A. Toriumi

Producing large-area single-crystalline graphene is key to realizing its full potential in advanced applications, including twistronics. Yet, controlling graphene growth kinetics to avoid grain boundaries or multilayer growth remains…

Atomically resolved imaging and spectroscopic characteristics of graphene grown by chemical vapor deposition (CVD) on copper are investigated by means of scanning tunneling microscopy and spectroscopy (STM/STS). For CVD-grown graphene…

Strongly Correlated Electrons · Physics 2012-01-27 N. -C. Yeh , M. L. Teague , S. Yeom , B. L. Standley , D. A. Boyd , M. W. Bockrath

The early stages of epitaxial graphene layer growth on the Si-terminated 6H-SiC(0001) are investigated by Auger electron spectroscopy (AES) and depolarized Raman spectroscopy. The selection of the depolarized component of the scattered…

Materials Science · Physics 2008-11-20 Nicola Ferralis , Roya Maboudian , Carlo Carraro

We have determined the growth mode of graphene on SiC(0001) and SiC(000-1) using ultra-thin, isotopically-labeled Si13C `marker layers' grown epitaxially on the Si12C surfaces. Few-layer graphene overlayers were formed via thermal…

Materials Science · Physics 2011-08-15 J. B. Hannon , M. Copel , R. M. Tromp

We demonstrate the preparation of both armchair and zigzag epitaxial graphene nanoribbons (GNRs) on 4H-SiC using a polymer-assisted, sublimation growth method. Historically, the preparation of GNRs depended on the quality, or smoothness, of…

Post-transfer in-depth morphological characterization of graphene grown by chemical vapor deposition (CVD) is of great importance to evaluate the quality and to understand the origin of defects of the transferred sheets. Herein, a semi-dry…

Materials Science · Physics 2025-08-22 N. Reckinger , B. Hackens
‹ Prev 1 4 5 6 7 8 10 Next ›