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Related papers: In Search Of Graphane -- A two-dimensional hydroca…

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Most of hydrocarbons are either molecular structures or linear polymeric chains. Discovery of graphene and manufacturing of its monohydride -- graphane incite interest in search for three-dimensional hydrocarbon polymers. However up to now…

Materials Science · Physics 2021-11-30 M. V. Kondrin , V. V. Brazhkin

Graphane is a two-dimensional system consisting of a single layer of fully saturated (sp$^3$ hybridization) carbon atoms. In an ideal graphane structure C-H bonds exhibit an alternating pattern (up and down with relation to the plane…

Materials Science · Physics 2009-10-23 Marcelo Z. S. Flores , Pedro A. S. Autreto , Sergio B. Legoas , Douglas S. Galvao

Graphene, the new wondrous material, is a perfect example of a two-dimensional hexagonal crystal unlike any other. Here we exhibit some of the characteristic directional features associated with hexagonal cells, emphasising the sixfold…

Materials Science · Physics 2011-08-19 Robert Delbourgo

The recent discovery of graphene has sparked significant interest, which has so far been focused on the peculiar electronic structure of this material, in which charge carriers mimic massless relativistic particle. However, the structure of…

Mesoscale and Nanoscale Physics · Physics 2007-05-23 Jannik C. Meyer , A. K. Geim , M. I. Katsnelson , K. S. Novoselov , T. J. Booth , S. Roth

Single layers of carbon dubbed "graphenes", from which graphite is built, have attracted broad interest in the scientific community because of recent exciting experimental results. Graphene is interesting from a fundamental research…

Materials Science · Physics 2008-01-05 Yakov Kopelevich , Pablo Esquinazi

The study of graphene, since its discovery around 2004, is possibly the largest and fastest growing field of research in material science, because of its exotic mechanical, thermal, electronic, optical and chemical properties. The studies…

Materials Science · Physics 2013-06-05 Gautam Mukhopadhyay , Harihar Behera

In crystal growth, surfactants are additive molecules used in dilute amount or as dense, permeable layers to control surface morphologies. Here, we investigate the properties of a strikingly different surfactant: a two-dimensional and…

We unveil the diamondization mechanism of few-layer graphene compressed in the presence of water, providing robust evidence for the pressure-induced formation of 2D diamond. High-pressure Raman spectroscopy provides evidence of a phase…

Graphene is a single layer of carbon atoms arranged in a honeycomb lattice with remarkable mechanical, electrical and optical properties. For the first time graphene layers suspended on copper meshes were installed into a gas detector…

This article reviews silicene, a relatively new allotrope of silicon, which can also be viewed as the silicon version of graphene. Graphene is a two-dimensional material with unique electronic properties qualitatively different from those…

Materials Science · Physics 2014-04-24 L. C. Lew Yan Voon , G. G. Guzmán-Verri

Molecular contamination of a grazing incidence collector for extreme ultraviolet (EUV) lithography was experimentally studied. A carbon film was found to have grown under irradiation from a pulsed tin plasma discharge. Our studies show that…

Materials Science · Physics 2015-06-18 A Dolgov , D Lopaev , C J Lee , E Zoethout , V. Medvedev , O Yakushev , F Bijkerk

Graphene is an ideal 2D material system bridging electronic and photonic devices. It also breaks the fundamental speed and size limits by electronics and photonics, respectively. Graphene offers multiple functions of signal transmission,…

Applied Physics · Physics 2018-10-19 Rong Wang , Xingang Ren , Ze Yan , Lijun Jiang , Wei E. I. Sha , Guangcun Shan

Low-energy ion beam modification was proposed to create graphene on the top of the insulated diamond-like carbon films. In such low-temperature fabrication process the surface of the amorphous carbon could crystallize to graphene as a…

Materials Science · Physics 2015-05-27 Savcho Tinchev

Graphene, made of sp2 hybridized carbon, is characterized with a Dirac band, representative of its underlying 2D hexagonal lattice. Fundamental understanding of graphene has recently spurred a surge of searching for 2D topological quantum…

Materials Science · Physics 2015-06-23 Miao Zhou , Zheng Liu , Wenmei Ming , Zhengfei Wang , Feng Liu

Graphene - a monolayer of carbon atoms densely packed into a hexagonal lattice - has one of the strongest possible atomic bonds and can be viewed as a robust atomic-scale scaffold, to which other chemical species can be attached without…

Using systematic evolutionary structure searching we propose a new carbon allotrope, phagraphene, standing for penta-hexa-hepta-graphene, because the structure is composed of 5-6-7 carbon rings. This two-dimensional (2D) carbon structure is…

Materials Science · Physics 2015-09-02 Zhenhai Wang , Xiang-Feng Zhou , Xiaoming Zhang , Qiang Zhu , Huafeng Dong , Mingwen Zhao , Artem R. Oganov

Atomically thin graphene exhibits fascinating mechanical properties, although its hardness and transverse stiffness are inferior to those of diamond. To date, there hasn't been any practical demonstration of the transformation of…

A novel type of photonic crystal formed by embedding a periodic array of constituent stacks of alternating graphene and dielectric discs into a background dielectric medium is proposed. The photonic band structure and transmittance of such…

Mesoscale and Nanoscale Physics · Physics 2010-12-21 Oleg L. Berman , Vladimir S. Boyko , Roman Ya. Kezerashvili , Anton A. Kolesnikov , Yurii E. Lozovik

The advent of graphene has renewed the interest in other 2D carbon-based materials. Bhattacharya and Jana have proposed a new carbon allotrope, composed of different polygonal carbon rings containing 4, 5, 6, and 10 atoms, named…

Materials Science · Physics 2023-05-24 Caique C. Oliveira , Matheus Medina , Douglas S. Galvao , Pedro A. S. Autreto

Access to intrinsic properties of a 2D material is challenging due to the absence of a bulk that would dominate over surface contamination, and this lack of bulk also precludes effective conventional cleaning methods that are almost always…

Materials Science · Physics 2024-10-28 Hao Wang , Milinda Randeniya , Austin Houston , Gerd Duscher , Gong Gu