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Related papers: Direct Graphene Growth on Insulator

200 papers

Germanium is emerging as the substrate of choice for the growth of graphene in CMOS-compatible processes. For future application in next generation devices the accurate control over the properties of high-quality graphene synthesized on Ge…

Materials Science · Physics 2018-05-04 A. M. Scaparro , V. Miseikis , C. Coletti , A. Notargiacomo , M. Pea , M. De Seta , L. Di Gaspare

Graphene grown via chemical vapour deposition (CVD) on copper foil has emerged as a high-quality, scalable material, that can be easily integrated on technologically relevant platforms to develop promising applications in the fields of…

We review progress in developing epitaxial graphene as a material for carbon electronics. In particular, improvements in epitaxial graphene growth, interface control and the understanding of multilayer epitaxial graphene's electronic…

The formation of graphene on any desirable substrate is extremely essential for the successful replacement of Si with graphene in all technological applications in the beyond-CMOS era. Recently, we observed that a Ti layer formed on…

Materials Science · Physics 2010-05-27 A. Hashimoto , H. Terasaki , K. Morita , H. Hibino , S. Tanaka

Graphene grown by chemical vapor deposition and supported on SiO2 and sapphire substrates was studied following controlled introduction of defects induced by 35 keV carbon ion irradiation. Changes in Raman spectra following fluences ranging…

In this report, we demonstrated a simple but efficient strategy to synthesize millimeter-sized graphene single crystal grains by regulating the supply of reactants in chemical vapor deposition process. Polystyrene was used as a carbon…

Materials Science · Physics 2012-08-28 Tianru Wu , Guqiao Ding , Honglie Shen , Haomin Wang , Lei Sun , Da Jiang , Xiaoming Xie , Mianheng Jiang

We report a method that uses van der Waals interactions to transfer continuous, high-quality graphene films from Ge(110) to a different substrate held by hexagonal boron nitride carriers in a clean, dry environment. The transferred films…

For two decades, two-dimensional carbon species, including graphene, have been the core of research in pursuing next-generation logic applications beyond the silicon technology. Yet the opening of a gap in a controllable range of doping,…

We report an approach to synthesize high quality graphene by surface segregation and substrate transfer. Graphene was segregated from Ni surface under the ambient pressure by dissolving carbon in Ni at high temperatures followed by cooling…

Materials Science · Physics 2008-12-09 Qingkai Yu , Jie Lian , Sujitra Siriponglert , Hao Li , Yong Chen , Shin-Shem Pei

The hexagonal structure of graphene gives rise to the property of gas impermeability, motivating its investigation for a new application: protection of semiconductor photocathodes in electron accelerators. These materials are extremely…

Research on two-dimensional materials has expanded over the past two decades to become a central theme in condensed matter research today. Significant advances have been made in the synthesis and subsequent reassembly of these materials…

Depth profiling of graphene with high-resolution ion beam analysis is a practical method for analysis of monolayer thicknesses of graphene. Not only is the energy resolution sufficient to resolve graphene from underlying SiC, but by use of…

Materials Science · Physics 2011-08-11 M. Copel , S. Oida , A. Kasry , A. A. Bol , J. B. Hannon , R. M. Tromp

We use scanning tunneling microscopy and spectroscopy to study epitaxial graphene grown on a C-face 4H-SiC(000-1) substrate. The results reveal amazing nano-objects at the graphene/SiC interface leading to electronic interface states. Their…

Mesoscale and Nanoscale Physics · Physics 2009-11-12 S. Vizzini , H. Enriquez , S. Chiang , H. Oughaddou , P. Soukiassian

The temperature-induced shift of the Raman G line in epitaxial graphene on SiC and Ni surfaces, as well as in graphene supported on SiO2, is investigated with Raman spectroscopy. The thermal shift rate of epitaxial graphene on 6H-SiC(0001)…

Mesoscale and Nanoscale Physics · Physics 2011-02-18 Nicola Ferralis , Roya Maboudian , Carlo Carraro

The recent discovery of the ability to perform direct epitaxial growth of graphene layers on semiconductor Ge surfaces led to the huge interest to this topic. One of the reasons for this interest is the chance to overcome several…

Materials Science · Physics 2020-10-20 Yuriy Dedkov , Elena Voloshina

The full potential of graphene in integrated circuits can only be realized with a reliable ultra-thin high-{\kappa} top-gate dielectric. Here, we report the first statistical analysis of the breakdown characteristics of dielectrics on…

We predict a new mechanism of surface plasmon amplification in graphene-insulator-graphene van der Waals heterostructures. The amplification occurs upon the stimulated interlayer electron tunneling accompanied by the emission of a coherent…

Mesoscale and Nanoscale Physics · Physics 2016-09-27 D. Svintsov , Zh. Devizorova , T. Otsuji , V. Ryzhii

A simple, non-invasive method using Raman spectroscopy for the estimation of the thickness of graphene layers grown epitaxially on silicon carbide (SiC) is presented, enabling simultaneous determination of thickness, grain size and disorder…

Materials Science · Physics 2015-05-13 Shriram Shivaraman , M. V. S. Chandrashekhar , John J. Boeckl , Michael G. Spencer

Epitaxial graphene layers were grown on the C-face of 4H- and 6H-SiC using an argon-mediated growth process. Variations in growth temperature and pressure were found to dramatically affect the morphological properties of the layers. The…

This work presents a comparison of the structural, chemical and electronic properties of multi-layer graphene grown on SiC(000-1) by using two different growth approaches: thermal decomposition and chemical vapor deposition (CVD). The…

Materials Science · Physics 2018-05-03 D. Convertino , A. Rossi , V. Miseikis , V. Piazza , C. Coletti