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Related papers: Three-Stage Synthesis of a Cobalt-Embedded Graphen…

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The marriage between a two-dimensional layered material (2DLM) and a complex transition metal oxide (TMO) results in a variety of physical and chemical phenomena that would not have been achieved in either material alone. Interesting recent…

Materials Science · Physics 2019-05-09 Kyeong Tae Kang , Jeongmin Park , Dongseok Suh , Woo Seok Choi

The paper presents evidence of a rather strong correlation of odd electrons in the singlet state of graphene. Due to the correlation, the chemical modification of graphene can be considered following a certain algorithmic computational…

Materials Science · Physics 2012-01-10 E. F. Sheka , N. A. Popova

Following the discovery of graphene, keen attentions have been paid in comprehending the noticeably superior electromagnetic, optical and absorptive properties of few layer graphene (FLG) with rotational-stacking-faults. With achieving…

We shed light on the catalyst-free growth of graphene from amorphous carbon (a-C) by current-induced annealing by witnessing the mechanism both with in-situ transmission electron microscopy and with molecular dynamics simulations. Both in…

Nonaqueous aluminum-ion batteries are an interesting emerging energy storage technology, offering a plethora of advantages over existing grid energy storage solutions. Carbonaceous and graphitic materials are an appealing cathode material…

Chemical Physics · Physics 2020-01-17 Nicolò Canever , Fraser R. Hughson , Thomas Nann

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

Graphene has recently attracted a great deal of interest in both academia and industry because of its unique electronic and optical properties [1,2], as well as its chemical, thermal, and mechanical properties. The superb characteristics of…

Materials Science · Physics 2010-06-29 Mingsheng Xu , Daisuke Fujita , Keisuke Sagisaka , Eiichiro Watanabe , Nobutaka Hanagata

Graphene-metal compound structure has been reported as a novel and outstanding component used in electrical and optical devices. We report on a first-principles study of graphene-cu compound structure, showing its capacity of converting…

Popular Physics · Physics 2012-08-16 Wenbin Gong

When an ionic liquid adsorbs onto a porous electrode, its ionic arrangement is deeply modified due to a screening of the Coulombic interactions by the metallic surface and by the confinement imposed upon it by the electrode's morphology. In…

We calculate theoretically the Coulomb drag resistivity for two graphene monolayers spatially separated by a distance "$d$". We show that the frictional drag induced by inter-layer electron-electron interaction goes asymptotically as…

Mesoscale and Nanoscale Physics · Physics 2012-01-04 E. H. Hwang , S. Das Sarma

Graphene was the first material predicted to be a time-reversal-invariant topological insulator; however, the insulating gap is immeasurably small owing to the weakness of spin-orbit interactions in graphene. A recent experiment [1]…

Mesoscale and Nanoscale Physics · Physics 2015-06-05 Pouyan Ghaemi , Sarang Gopalakrishnan , Taylor L. Hughes

The tunability of materials properties by light promises a wealth of future applications in energy conversion and information technology. Strongly correlated materials such as transition-metal dichalcogenides (TMDCs) offer optical control…

Materials Science · Physics 2023-07-10 Till Domröse , Thomas Danz , Sophie F. Schaible , Kai Rossnagel , Sergey V. Yalunin , Claus Ropers

Topology is a central concept of mathematics, which allows us to distinguish two isolated rings with linked ones. In material science, researchers discovered topologically different carbon allotropes in a form of a cage, a tube, and a…

Mesoscale and Nanoscale Physics · Physics 2023-04-05 Shinichi Saito , Isao Tomita

Two-dimensional layered and atomically thin elemental superconductors may be key ingredients in next-generation quantum technologies, if they can be stabilized and integrated into heterostructured devices under ambient conditions. However,…

We present Coulomb-drag measurements on a heterostructure comprising two Bernal-stacked bilayer graphene (BLG) sheets separated by a 2.5 nm hexagonal boron nitride (hBN) spacer in the quantum Hall (QH) regime. Using top and bottom gate…

Mesoscale and Nanoscale Physics · Physics 2026-03-18 Zeyu Hao , A. M. Zimmerman , Kenji Watanabe , Takashi Taniguchi , Philip Kim

We demonstrate insights into the three-dimensional structure of defects in graphene, in particular grain boundaries, obtained via a new approach from two transmission electron microscopy images recorded at different angles. The structure is…

Vertical heterostructures combining different layered materials offer novel opportunities for applications and fundamental studies of collective behavior driven by inter-layer Coulomb coupling. Here we report heterostructures comprising a…

Mesoscale and Nanoscale Physics · Physics 2015-01-09 A. Gamucci , D. Spirito , M. Carrega , B. Karmakar , A. Lombardo , M. Bruna , A. C. Ferrari , L. N. Pfeiffer , K. W. West , Marco Polini , V. Pellegrini

A few years ago, by means of first-principles calculations, Enyashin et al.(2011) proposed several novel monolayers of carbon containing rings other than hexagons. One of those monolayers containing tetragons and octagons was investigated…

Materials Science · Physics 2025-06-26 Arifa Nazir , Alok Shukla

Rhombohedral graphene multilayers provide a clean and highly reproducible platform to explore the emergence of superconductivity and magnetism in a strongly interacting electron system. Here, we use electronic compressibility and local…

Isogeometric cohesive elements are presented for modeling two and three dimensional delaminated composite structures. We exploit the knot insertion algorithm offered by NURBS (Non Uniform Rational B-splines) to generate cohesive elements…

Numerical Analysis · Mathematics 2014-10-07 Vinh Phu Nguyen , Pierre Kerfriden , Stephane Bordas