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This paper reports the synthesis and detailed characterization of graphite thin films produced by thermal decomposition of the (0001) face of a 6H-SiC wafer, demonstrating the successful growth of single crystalline films down to…

Graphene layers were created on both C and Si faces of semi-insulating, on-axis, 4H- and 6H-SiC substrates. The process was performed under high vacuum (<10-4 mbar) in a commercial chemical vapor deposition SiC reactor. A method for H2…

The beginning of high interest in two-dimensional (2D) crystals is marked by the synthesis of graphene, which constitutes exemplary monolayer material. This is due to the multiple extraordinary properties of graphene, particularly in the…

Mesoscale and Nanoscale Physics · Physics 2025-02-21 Dominik Szczȩśniak , Jakub T. Gnyp , Marta Kielak

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…

Graphene is a 2D material that displays excellent electronic transport properties with prospective applications in many fields. Inducing and controlling magnetism in the graphene layer, for instance by proximity of magnetic materials, may…

After the pioneering investigations into graphene-based electronics at Georgia Tech (GT), great strides have been made developing epitaxial graphene on silicon carbide (EG) as a new electronic material. EG has not only demonstrated its…

Uniform single layer graphene was grown on single-crystal Ir films a few nanometers thick which were prepared by pulsed laser deposition on sapphire wafers. These graphene layers have a single crystallographic orientation and a very low…

We show that patterned defects can be used to disrupt the sub-lattice symmetry of graphene so as to open up a band gap. This way of modifying graphene's electronic structure does not rely on external agencies, the addition of new elements…

Mesoscale and Nanoscale Physics · Physics 2010-09-09 David J. Appelhans , Zhibin Lin , Mark T. Lusk

Graphene- the wonder material has attracted a great deal of attention from varied fields of condensed matter physics, materials science and chemistry in recent times. Its 2D atomic layer structure and unique electronic band structure makes…

Materials Science · Physics 2011-08-23 Deep Jariwala , Anchal Srivastava , Pulickel Ajayan

Potentially new, single-atom thick semiconducting 2D-graphene-like material, called Anisotropic-cyclicgraphene, have been generated by the two stage searching strategy linking molecular and ab initio approach. The candidate derived from the…

Mesoscale and Nanoscale Physics · Physics 2018-03-20 Marcin Maździarz , Adam Mrozek , Wacław Kuś , Tadeusz Burczyński

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

Chiral symmetry breaking is imaged in graphene which, through a mechanism analogous to mass generation in quantum electrodynamics, could provide a means for making it semiconducting.

Materials Science · Physics 2016-10-31 Christopher Mudry

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

The fabrication of epitaxial graphene (EG) on SiC substrate by annealing has attracted a lot of interest as it may speed up the application of graphene for future electronic devices. The interaction of EG and the SiC substrate is critical…

Materials Science · Physics 2009-11-13 Z. H. Ni , W. Chen , X. F. Fan , J. L. Kuo , T. Yu , A. T. S. Wee , Z. X. Shen

The fundamental properties of graphene are making it an attractive material for a wide variety of applications. Various techniques have been developed to produce graphene and recently we discovered the synthesis of large area graphene by…

An in vacuo thermal desorption process has been accomplished to form epitaxial graphene (EG) on 4H- and 6H-SiC substrates using a commercial chemical vapor deposition reactor. Correlation of growth conditions and the morphology and…

Non-conventional epitaxial techniques, such as van der Waals epitaxy (vdWE) and remote epitaxy, have attracted substantial attention in the semiconductor research community for their capability to repeatedly produce high-quality…

The electronic band structure of atomically thin semiconductors can be tuned by the application of a perpendicular electric field. The principle was demonstrated experimentally shortly after the discovery of graphene by opening a finite…

Mesoscale and Nanoscale Physics · Physics 2022-08-23 Daniil Domaretskiy , Marc Philippi , Marco Gibertini , Nicolas Ubrig , Ignacio Gutiérrez-Lezama , Alberto F. Morpurgo

We report the use of a surfactant molecule during the epitaxy of graphene on SiC(0001) that leads to the growth in an unconventional orientation, namely $R0^\circ$ rotation with respect to the SiC lattice. It yields a very high-quality…

Materials Science · Physics 2020-09-08 F. C. Bocquet , Y. -R. Lin , M. Franke , N. Samiseresht , S. Parhizkar , S. Soubatch , T. -L. Lee , C. Kumpf , F. S. Tautz

We report on spatial measurements of the superconducting proximity effect in epitaxial graphene induced by a graphene-superconductor interface. Superconducting aluminum films were grown on epitaxial multilayer graphene on SiC. The aluminum…