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Related papers: Nickel intercalation in epitaxial graphene on SiC(…

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We show using scanning tunneling microscopy, spectroscopy, and ab initio calculations that several intercalation structures exist for Na in epitaxial graphene on SiC(0001). Intercalation takes place at room temperature and Na electron-dopes…

Mesoscale and Nanoscale Physics · Physics 2011-12-01 Andreas Sandin , Thushari Jayasekera , J. E. , Rowe , Ki Wook Kim , M. Buongiorno Nardelli , Daniel B. Dougherty

We present an orbital-resolved density functional theory study on the electronic properties of hydrogen and lithium intercalated graphene grown on the Si face of SiC. Starting from the $(6\sqrt3\times6\sqrt3)R30^{\circ}$ surface…

Mesoscale and Nanoscale Physics · Physics 2012-01-17 I. Deretzis , A. La Magna

Intercalation of epitaxial graphene on SiC(0001) with Sn results in a well-ordered Sn $(1\times1)$ structure on the SiC surface with quasi-freestanding graphene on top. While the electronic properties of the individual layers have been…

Electronic devices based on graphene technology are catching on rapidly and the ability to engineer graphene properties at the nanoscale is becoming, more than ever, indispensable. Here, we present a new procedure of graphene…

Mesoscale and Nanoscale Physics · Physics 2016-09-07 A. Stöhr , S. Forti , S. Link , A. A. Zakharov , K. Kern , U. Starke , H. M. Benia

Imprinting magnetism into graphene makes an important step to its applications in spintronics. An actively explored approach is proximity coupling of graphene to a 2D magnet. In these endeavors, the use of epitaxial graphene may bring…

The potential of graphene to impact the development of the next generation of electronics has renewed interest in its growth and structure. The graphitization of hexagonal SiC surfaces provides a viable alternative for the synthesis of…

Mesoscale and Nanoscale Physics · Physics 2015-05-13 Y. Qi , S. H. Rhim , G. F. Sun , M. Weinert , L. Li

The realization of air-stable 2D metals epitaxial to SiC and capped by graphene creates a potentially immense chemical space of 2D metals and alloys that could expand the variety of solid-state excitations unique to 2D metals beyond what is…

Materials Science · Physics 2020-11-04 Yuanxi Wang , Vincent H. Crespi

The development of graphene electronics requires the integration of graphene devices with Si-CMOS technology. Most strategies involve the transfer of graphene sheets onto silicon, with the inherent difficulties of clean transfer and…

Intercalation is an established technique for tailoring the electronic structure of epitaxial graphene. Moreover, it enables the synthesis of otherwise unstable two-dimensional (2D) layers of elements with unique physical properties…

Mesoscale and Nanoscale Physics · Physics 2022-06-29 Bharti Matta , Philipp Rosenzweig , Olaf Bolkenbaas , Kathrin Küster , Ulrich Starke

Intercalation has proven to be a powerful tool for tailoring the electronic properties of freestanding graphene layers as well as for stabilizing the intercalated material in a two-dimensional configuration. This work examines Si…

We have measured optical absorption in mid-infrared spectral range on hydrogen intercalated epitaxial graphene grown on silicon face of SiC. We have used attenuated total reflection geometry to enhance absorption related to the surface and…

Materials Science · Physics 2018-01-08 Jan Kunc , Martin Rejhon , Pavel Hlídek

Intercalation of atomic species through epitaxial graphene layers began only a few years following its initial report in 2004. The impact of intercalation on the electronic properties of the graphene is well known; however, the intercalant…

This study theoretically investigated the magnetic properties and electronic structure of a graphene-based nano-spin-valve-like structure. Magnetic nickel layers on both sides of the graphene were considered. A spin-polarized…

Mesoscale and Nanoscale Physics · Physics 2019-05-30 Yusuf Wicaksono , Shingo Teranishi , Kazutaka Nishiguchi , Koichi Kusakabe

Epitaxial graphene, grown on SiC(0001) surface, has been widely studied both experimentally and theoretically. It was found that first epitaxial graphene layer in such structures is a buffer layer i.e. there are no characteristic Dirac…

Materials Science · Physics 2015-03-13 Jakub Soltys , Jacek Piechota , Michal Lopuszynski , Stanislaw Krukowski

Functional manipulation of graphene is an important topic in view of both fundamental researches and practical applications. In this study, we show that intercalation of 5$d$ transition metals in epitaxial graphene on SiC is a promising…

Mesoscale and Nanoscale Physics · Physics 2019-03-06 Minsung Kim , Cai-Zhuang Wang , Michael C. Tringides , Myron Hupalo , Kai-Ming Ho

Nanoporous materials represent a versatile solution for a number of applications ranging from sensing, energy applications, catalysis, drug delivery, and many others. The synergy between the outstanding properties of graphene with a…

Nickel-doped graphene has been synthesized from propylene on a Ni(111) surface and studied using scanning tunneling microscopy (STM) and density functional theory (DFT). It is established that nickel centers are formed during graphene…

Materials Science · Physics 2020-12-02 S. L. Kovalenko , T. V. Pavlova , B. V. Andryushechkin , G. M. Zhidomirov , K. N. Eltsov

Quasi-free standing epitaxial graphene is obtained on SiC(0001) by hydrogen intercalation. The hydrogen moves between the 6root3 reconstructed initial carbon layer and the SiC substrate. The topmost Si atoms which for epitaxial graphene are…

Materials Science · Physics 2009-12-11 C. Riedl , C. Coletti , T. Iwasaki , A. A. Zakharov , U. Starke

Nickel nanoparticles (Ni NPs), thanks to their peculiar properties, are interesting materials for many applications including catalysis, hydrogen storage, and sensors. In this work, Ni NPs are synthesized in aqueous solution by a simple and…

Graphene on silicon carbide (SiC) bears great potential for future graphene electronic applications because it is available on the wafer-scale and its properties can be custom-tailored by inserting various atoms into the graphene/SiC…

Materials Science · Physics 2018-11-07 T. A. de Jong , E. E. Krasovskii , C. Ott , R. M. Tromp , S. J. van der Molen , J. Jobst
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