English
Related papers

Related papers: Thermally expanded graphite polyetherimide composi…

200 papers

A comprehensive rational thermal material design paradigm requires the ability to reduce and enhance the thermal conductivities of nanomaterials. In contrast to the existing ability to reduce the thermal conductivity, methods that allow to…

Mesoscale and Nanoscale Physics · Physics 2017-10-09 Abhinav Malhotra , Kartik Kothari , Martin Maldovan

This review explores the synthesis, characterization, and potential applications of graphene, a two-dimensional material with exceptional properties. Graphene's versatility in energy and electronics applications is highlighted, with its…

For the advancement of highly-integrated stretchable electronics, the development of scalable sub-micrometer conductor patterning is required. Eutectic gallium indium EGaIn is an attractive conductor for stretchable electronics, as its…

The electronic and transport properties of aluminum-graphene composite materials were investigated using ab initio plane wave density functional theory. The interfacial structure is reported for several configurations. In some cases, the…

Materials Science · Physics 2024-02-12 K. Nepal , C. Ugwumadu , K. N. Subedi , K. Kappagantula , D. A. Drabold

The author reports an experimental study of electrical and thermal transport in reduced graphene oxide (RGO)/polystyrene (PS) composites. The electrical conductivity ($\sigma$) of RGO/PS composites with different RGO concentrations at room…

Materials Science · Physics 2017-02-28 Wonjun Park , Jiuning Hu , Luis A. Jauregui , Xiulin Ruan , Yong P. Chen

Successful preparation of polymer nanocomposites, exploiting graphene-related materials, via melt mixing technology requires precise design, optimization and control of processing. In the present work, the effect of different processing…

Materials Science · Physics 2017-06-08 S. Colonna , M. M. Bernal , G. Gavoci , J. Gomez , C. Novara , G. Saracco , A. Fina

Nanoporous graphene (NPG), consisting of ordered arrays of nanopores separated by graphene nanoribbons was recently realized using a bottom-up synthesis method (Science 360(2018), 199). In this work we accordingly explored the mechanical…

Mesoscale and Nanoscale Physics · Physics 2019-03-12 Bohayra Mortazavi , Mohamed E. Madjet , Masoud Shahrokhi , Said Ahzi , Xiaoying Zhuang , Timon Rabczuk

We report on the investigation of thermal transport in non-cured silicone composites with graphene fillers of different lateral dimensions. Graphene fillers are comprised of few-layer graphene flakes with lateral sizes in the range from 400…

Four series of PLA based composite films containing horizontally aligned few layer graphene (FLG) flakes of high aspect ratio and adsorbed albumin are prepared. The mechanical and thermal properties vary with percentage, dispersion degree…

Different types of graphene-related materials (GRM) are industrially available and have been exploited for thermal conductivity enhancement in polymers. These include materials with very different features, in terms of thickness, lateral…

Applied Physics · Physics 2021-01-25 Samuele Colonna , Daniele Battegazzore , Matteo Eleuteri , Rossella Arrigo , Alberto Fina

First-principles calculations can accurately describe electron-phonon (e-ph) interactions and electronic transport in a wide range of materials, but are currently limited to unit cells with up to $\sim$100 atoms due to computational cost.…

Materials Science · Physics 2026-03-17 David J. Abramovitch , Marco Bernardi

The transport properties of highly oriented pyrolitic graphite (HOPG) and polycrystal graphite have been studied. The electric conductivity of HOPG is several times larger than that of the polycrystal graphite. Along with the large…

Materials Science · Physics 2008-01-23 Zhiming Wang , Feng Xu , Chao Lu , He Zhang , Qingyu Xu , Jinan Zhu

The electromagnetic coupling between hetero-structures made of different materials is of great interest, both from the perspective of discovering new phenomena, as well as for its potential applications in novel devices. In this work, we…

Mesoscale and Nanoscale Physics · Physics 2023-06-14 Daniel A. Bonilla , Jorge David Castaño-Yepes , A. Martín-Ruiz , Enrique Muñoz

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

The addition of filler particles to polymer electrolytes is known to increment their ionic conductivity (IC). A detailed understanding of how the interactions between the constituent materials are responsible for the enhancement, remains to…

Materials Science · Physics 2021-03-19 Andres Villa , Juan Carlos Verduzco , Joseph A. Libera , Ernesto E. Marinero

Polyaniline and graphene nanoplatelets (PANI-GNP) nanocomposites are synthesized by in situ oxidative polymerization of polyaniline using an oxidizing agent, ammonium peroxy disulphate (APS). The mass of GNP in the nanocomposites varied by…

We have made thermal and electrical transport measurements of uncompressed pyrolytic graphite sheet (uPGS), a mass-produced thin graphite sheet with various thicknesses between 10 and 100 {\mu}m, at temperatures between 2 and 300 K.…

Materials Science · Physics 2017-10-04 Sachiko Nakamura , Daisuke Miyafuji , Takenori Fujii , Tomohiro Matsui , Hiroshi Fukuyama

Micrometer width and nanometer thick wires with different shapes were produced $\approx 3~\upmu$m below the surface of a diamond crystal using a microbeam of He$^+$ ions with 1.8~MeV energy. Initial samples are amorphous and after annealing…

Mesoscale and Nanoscale Physics · Physics 2017-04-05 J. Barzola-Quiquia , T. Lühmann , R. Wunderlich , M. Stiller , M. Zoraghi , J. Meijer , P. Esquinazi , J. Böttner , I. Estrela-Lopis

The advancement of Micro Pattern Gaseous Detector technology offers us different kinds of detectors with good spatial resolution and high rate capability and the Gas Electron Multiplier (GEM) detector is one of them. Typically GEM is made…

Instrumentation and Detectors · Physics 2020-12-30 S. Chatterjee , A. Sen , S. Roy , K. Nivedita G , A. Paul , S. Das , S. Biswas

We have produced ultrathin epitaxial graphite films which show remarkable 2D electron gas (2DEG) behavior. The films, composed of typically 3 graphene sheets, were grown by thermal decomposition on the (0001) surface of 6H-SiC, and…