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Related papers: Graphdiyne as a Promising Substrate for Stabilizin…

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Coupled hybrid nanostructures are demonstrated using the combination of lithographically patterned graphene on top of a two-dimensional electron gas (2DEG) buried in a GaAs/AlGaAs heterostructure. The graphene forms Schottky barriers at the…

Vertical graphene nanosheets (VGNs) are the material of choice for next-generation electronic device applications. The growing demand for flexible devices in electronic industry brings in restriction on growth temperature of the material of…

Materials Science · Physics 2022-02-02 Gopinath Sahoo , Subrata Ghosh , S. R. Polaki , Tom Mathews , M. Kamruddin

Proton exchange membrane fuel cells hold promise as energy conversion devices for hydrogen-based power generation and storage. However, the slow kinetics of the oxygen reduction at the cathode imposes the need for highly active catalysts,…

Materials Science · Physics 2023-03-21 Se-Ho Kim , Hosun Jun , Kyuseon Jang , Pyuck-Pa Choi , Baptiste Gault , Chanwon Jung

Graphene, a hexagonal sheet of $sp^2$-bonded carbon atoms, has extraordinary properties which hold immense promise for future nanoelectronic applications. Unfortunately, the popular preparation methods of micromechanical cleavage and…

Mesoscale and Nanoscale Physics · Physics 2015-05-20 Andrew Zangwill , Dimitri D. Vvedensky

This work reports the peculiar properties of a graphene film prepared by the chemical vapor deposition (CVD) of ethylene in high vacuum on a well oriented and carefully cleaned Pt(111) crystal surface maintained at high temperature. In-situ…

Mesoscale and Nanoscale Physics · Physics 2015-06-15 E. Cazzanelli , T. Caruso , M. Castriota , A. R. Marino , A. Politano , G. Chiarello , M. Giarola , G. Mariotto

We report the development of nanowire field-effect transistors featuring an ultra-thin parylene film as a polymer gate insulator. The room temperature, gas-phase deposition of parylene is an attractive alternative to oxide insulators…

Graphene is considered an ideal filler for the production of multifunctional nanocomposites; as a result, considerable efforts have been focused on the evaluation and modeling of its reinforcement characteristics. In this work, we modelled…

Applied Physics · Physics 2019-11-19 Mufeng Liu , Ian A. Kinloch , Robert J. Young , Dimitrios G. Papageorgiou

This paper introduces a new structural phase field crystal (PFC) type model that expands the PFC methodology to a wider class of structurally complex crystal structures than previously possible. Specifically, our new approach allows for…

Materials Science · Physics 2016-02-03 Matthew Seymour , Nikolas Provatas

Graphene/AlGaN/GaN heterostructures are proposed to investigate the drag and two-stream instability effects. In this study, graphene grown by chemical vapor deposition was transferred from copper onto the top of the standard AlGaN/GaN…

Mesoscale and Nanoscale Physics · Physics 2026-01-27 A. Rehman , D. B. But , P. Sai , M. Dub , P. Prystawko , A. Krajewska , G. Cywinski , W. Knap , S. Rumyantsev

A two-dimensional layer of oxide reveals itself as a essential element to drive the photocatalytic activity in a nanostructured hybrid material, which combines high-quality epitaxial graphene and titanium dioxide nanoparticles. In…

DFT calculation of various atomic species on graphene sheet is investigated as prototypes for formation of nano-structures on carbon nanotube (CNT) wall. We investigate computationally adsorption energies and adsorption sites on graphene…

Materials Science · Physics 2009-11-13 Akira Ishii , Masana Yamamoto , Hiroki Asano , Katsutoshi Fujiwara

Low-density, highly porous graphene/graphene oxide (GO) based-foams have shown high performance in energy absorption applications, even under high compressive deformations. In general, foams are very effective as energy dissipative…

Remote epitaxy has garnered considerable attention as a promising method that facilitates the growth of thin films that replicate the crystallographic characteristics of a substrate by utilizing two-dimensional (2D) material interlayers…

Graphene is generally considered to be a strong candidate to succeed silicon as an electronic material. However, to date, it actually has not yet demonstrated capabilities that exceed standard semiconducting materials. Currently…

Mesoscale and Nanoscale Physics · Physics 2015-06-04 Yike Hu , Ming Ruan , Zelei Guo , Rui Dong , James Palmer , John Hankinson , Claire Berger , Walt A. de Heer

In this work, we investigated graphene hypersurface (HSF) for the manipulation of THz waves. The graphene HSF structure is consists of a periodic array of graphene unit cells deposited on silicon substrate and terminated by a metallic…

Signal Processing · Electrical Eng. & Systems 2020-05-05 Sasmita Dash , Christos Liaskos , Ian F. Akyildiz , Andreas Pitsillides

Graphene nanostructures that support surface plasmons have been utilized to create a variety of dynamically tunable light modulators, motivated by theoretical predictions of the potential for unity absorption in resonantly-excited monolayer…

Few layer graphene/carbon (FLG/C) composites are prepared directly via the rapid and simple exfoliation of expanded graphite in the presence of carbon based natural precursors (i.e. protein, polysaccharide) in water, followed by…

Applied Physics · Physics 2020-12-10 Anurag Mohanty , Izabela Janowska

In order to separate a mixture of hydrogen ($H_2$) and carbon dioxide ($CO_2$) gases, we have proposed a new approach employing the graphdiyne-like membrane (GDY-H) using density functional theory (DFT) calculations and molecular dynamics…

Chemical Physics · Physics 2020-06-12 Parham Rezaee , Hamid Reza Naeij

Graphene is one of the stiffest known materials, with a Young's modulus of 1 TPa, making it an ideal candidate for use as a reinforcement in high-performance composites. However, being a one-atom thick crystalline material, graphene poses…

Materials Science · Physics 2010-07-13 L. Gong , I. A. Kinloch , R. J. Young , I. Riaz , R. Jalil , K. S. Novoselov

Graphene is an attractive material for microelectronics applications, given such favourable electrical characteristics as high mobility, high operating frequency, and good stability. If graphene is to be implemented in electronic devices on…

Materials Science · Physics 2019-06-14 B. C. Worley , S. Kim , T. J. Ha , S. Park , R. Haws , P. Rossky , D. Akinwande , A. Dodabalapur