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In this work, electrically and thermally conductive poly (butylene terephthalate) nanocomposites were prepared by in-situ ring-opening polymerization of cyclic butylene terephthalate (CBT) in presence of a tin-based catalyst. One type of…

Materials Science · Physics 2016-10-28 S. Colonna , O. Monticelli , J. Gomez , C. Novara , G. Saracco , A. Fina

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

In this paper, we predict the existence of low-frequency nonlocal plasmon excitations at the vacuum-surface interface of a superlattice of $N$ graphene layers interacting with a thick conducting substrate. This is different from graphite…

Mesoscale and Nanoscale Physics · Physics 2015-08-11 Godfrey Gumbs , Andrii Iurov , Jhao-Ying Wu , M. F. Lin , Paula Fekete

Graphene is a sturdy and chemically inert material exhibiting an exposed two-dimensional electron gas of high mobility. These combined properties enable the design of graphene composites either based on covalent or non- covalent coupling of…

Mesoscale and Nanoscale Physics · Physics 2015-03-19 Adrien Allain , Zheng Han , Vincent Bouchiat

Graphene possesses a unique combination of physical properties including high carrier mobility and high current density it can sustain. In contrast to bulk metals, graphene does not completely screen the external electrostatic field. In…

Applied Physics · Physics 2024-10-03 Alexander Khitun

Few layer graphene (FLG) was synthesized by $\mu$-wave assisted exfoliation of expanded graphite in toluene with an overall yield from c.a. 7% to 20%. A significant difference in the absorption of $\mu$-waves by the expanded graphite and…

Graphene is a nonlinear material which can be used as a saturable absorber, frequency mixer and frequency multiplier. We investigate the third harmonic generation from graphene lying on different substrates, consisting of a dielectric…

Mesoscale and Nanoscale Physics · Physics 2017-02-09 N. A. Savostianova , S. A. Mikhailov

Graphene revealed a number of unique properties beneficial for electronics, including exceptionally high electron mobility and widely tunable Fermi level. However, graphene does not have an electron energy band gap, which presents a serious…

Materials Science · Physics 2015-10-16 Alexander A. Balandin

Graphene is at the center of a significant research effort. Near-ballistic transport at room temperature and high mobility make it a potential material for nanoelectronics. Its electronic and mechanical properties are also ideal for micro…

Materials Science · Physics 2010-03-03 Z. Sun , T. Hasan , F. Torrisi , D. Popa , G. Privitera , F. Wang , F. Bonaccorso , D. M. Basko , A. C. Ferrari

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…

Graphene opens up for novel optoelectronic applications thanks to its high carrier mobility, ultra-large absorption bandwidth, and extremely fast material response. In particular, the opportunity to control optoelectronic properties through…

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

Pairing interaction between fermionic particles leads to composite Bosons that condense at low temperature. Such condensate gives rise to long range order and phase coherence in superconductivity, superfluidity, and other exotic states of…

Mesoscale and Nanoscale Physics · Physics 2019-10-02 J. I. A. Li , Q. Shi , Y. Zeng , K. Watanabe , T. Taniguchi , J. Hone , C. R. Dean

For optical communication, information is converted between optical and electrical signal domains at a high rate. The devices to achieve such a conversion are various types of electro-optical modulators and photodetectors. These two types…

Optics · Physics 2015-06-18 Nathan Youngblood , Yoska Anugrah , Rui Ma , Steven J. Koester , Mo Li

Results of a study on the electrochemical properties of exfoliated single and multilayer graphene flakes are presented. Graphene flakes were deposited on silicon/silicon oxide wafers to enable fast and accurate characterization by optical…

Mesoscale and Nanoscale Physics · Physics 2011-10-11 Anna T. Valota , Ian A. Kinloch , Kostya S. Novoselov , Cinzia Casiraghi , Axel Eckmann , Ernie W. Hill , Robert A. W. Dryfe

Graphene is a two-dimensional (2D) material with over 100-fold anisotropy of heat flow between the in-plane and out-of-plane directions. High in-plane thermal conductivity is due to covalent sp2 bonding between carbon atoms, whereas…

Materials Science · Physics 2013-01-29 Eric Pop , Vikas Varshney , Ajit K. Roy

Polymer field-effect transistors with 2D graphene electrodes are devices that merge the best of two worlds: on the one hand, the low-cost and processability of organic materials and, on the other hand, the chemical robustness, extreme…

I present a concise account concerning the emergence of a research field, which deals with the thermal properties of graphene, covering the refinement of understanding of phonon transport in two-dimensional material systems. The practical…

Mesoscale and Nanoscale Physics · Physics 2022-03-01 Alexander A. Balandin

The folding of paper, hide, and woven fabric has been used for millennia to achieve enhanced articulation, curvature, and visual appeal for intrinsically flat, two-dimensional materials. For graphene, an ideal two-dimensional material,…

Thermoelectric power of a material, typically governed by its band structure and carrier density, can be varied by chemical doping that is often restricted by solubility of the dopant. Materials showing large thermoelectric power are useful…

Mesoscale and Nanoscale Physics · Physics 2015-05-28 Chang-Ran Wang , Wen-Sen Lu , Lei Hao , Wei-Li Lee , Ting-Kuo Lee , Feng Lin , I-Chun Cheng , Jian-Zhang Chen