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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 examine an intrinsic graphene connected to the phonon thermostat at temperature T under irradiation of thermal photons with temperature T_r, other than T. The distribution of nonequilibrium electron-hole pairs was obtained for the cases…

材料科学 · 物理学 2010-06-29 P. N. Romanets , F. T. Vasko , M. V. Strikha

We perform a comprehensive analysis of the spectrum of graphene plasmons which arise when a pair of sheets are confined between conducting materials. The associated enhanced local fields may be employed in the manipulation of light on the…

介观与纳米尺度物理 · 物理学 2017-09-05 Godfrey Gumbs , Dipendra Dahal , Antonios Balassis

A thermal transport mechanism leading to the enhanced thermal conductivity of Graphene nanofluids has been proposed. The Graphene sheet size is postulated to be the key to the underlying mechanism. Based on a critical sheet size derived…

介观与纳米尺度物理 · 物理学 2015-12-02 Purbarun Dhar , Arvind Pattamatta , Sarit K. Das

We present a theory of the phononic thermal (Kapitza) resistance at the interface between graphene or another single-layer two-dimensional (2D) crystal (e.g. MoS$_{2}$) and a flat substrate, based on a modified version of the cross-plane…

介观与纳米尺度物理 · 物理学 2016-10-26 Zhun-Yong Ong , Yongqing Cai , Gang Zhang

The temperature dependence of electric transport properties of single-layer and few-layer graphene at large charge doping is of great interest both for the study of the scattering processes dominating the conductivity at different…

介观与纳米尺度物理 · 物理学 2016-09-02 R. S. Gonnelli , F. Paolucci , E. Piatti , Kanudha Sharda , A. Sola , M. Tortello , Jijeesh R. Nair , C. Gerbaldi , M. Bruna , S. Borini

A suspended layer made up of ferromagnetically ordered spins could be created between two mono/multilayer graphene through intercalation. Stability and electronic structure studies show that, when fluorine molecules are intercalated between…

介观与纳米尺度物理 · 物理学 2020-07-29 Shashi B. Mishra , Satyesh K. Yadav , D. G. Kanhere , B. R. K. Nanda

Graphite is a well-studied material with known electronic and optical properties. Graphene, on the other hand, which is just one layer of carbon atoms arranged in a hexagonal lattice, has been studied theoretically for quite some time but…

介观与纳米尺度物理 · 物理学 2015-05-13 F. Molitor , D. Graf , C. Stampfer , T. Ihn , K. Ensslin

Evidence is accumulating for the crucial role of a solid's free electrons in the dynamics of solid-liquid interfaces. Liquids induce electronic polarization and drive electric currents as they flow; electronic excitations, in turn,…

介观与纳米尺度物理 · 物理学 2023-06-27 Xiaoqing Yu , Alessandro Principi , Klaas-Jan Tielrooij , Mischa Bonn , Nikita Kavokine

The ability of streamwise-travelling waves of spanwise velocity to reduce the turbulent skin friction drag is assessed in the compressible regime. Direct numerical simulations are carried out to compare drag reduction in subsonic, transonic…

流体动力学 · 物理学 2023-12-18 Federica Gattere , Massimo Zanolini , Davide Gatti , Matteo Bernardini , Maurizio Quadrio

The diffusion of electron-hole pairs, which are excited in an intrinsic graphene by the ultrashort focused laser pulse in mid-IR or visible spectral region, is described for the cases of peak-like or spread over the passive region…

介观与纳米尺度物理 · 物理学 2015-06-11 F. T. Vasko , V. V. Mitin

Graphene, in addition to its unique electronic and optical properties, revealed unusually high thermal conductivity. The fact that thermal conductivity of large enough graphene sheets should be higher than that of basal planes of bulk…

Graphene, a two-dimensional material with a high mobility and a tunable conductivity, is uniquely suited for plasmonics. The frequency dispersion of plasmons in bulk graphene has been studied both theoretically and experimentally, whereas…

In this Letter, using quartz crystal microbalance (QCM), we experimentally determined the mass density of graphene grown by chemical vapor deposition method. We developed a transfer printing technique to integrate large area single-layer…

材料科学 · 物理学 2018-01-16 Nurbek Kakenov , Osman Balci , Omer Salihoglu , Seung Hyun Hur , Sinan Balci , Coskun Kocabas

We consider a lattice model of twisted bilayer graphene (TBG) for incommensurate twist angles, focusing on the role of large-momentum-transfer Umklapp terms. These terms, which nearly connect the Fermi points of different layers, are…

强关联电子 · 物理学 2026-03-31 Ian Jauslin , Vieri Mastropietro

The possibility of excitonic condensation in a recently proposed electrically biased double-layer graphene system is studied theoretically. The main emphasis is put on obtaining a reliable analytical estimate for the transition temperature…

强关联电子 · 物理学 2012-08-29 Maxim Yu. Kharitonov , Konstantin B. Efetov

The method of molecular dynamics and molecular mechanics has been used to numerically simulate the formation of wrinkle systems during compression of a graphene sheet lying on a flat solid substrate. It is shown that under uniaxial…

介观与纳米尺度物理 · 物理学 2024-12-13 Alexander V. Savin , Artem P. Klinov

Long lifetimes of hot carriers can lead to qualitatively new types of responses in materials. The magnitude and time scales for these responses reflect the mechanisms governing energy flows. We examine the microscopics of two processes…

介观与纳米尺度物理 · 物理学 2015-04-06 Justin C. W. Song , Leonid S. Levitov

In nonmetallic crystals, heat is transported by phonons of different frequencies, each contributing differently to the overall heat flux spectrum. In this study, we demonstrate a significant redistribution of heat flux among phonon…

介观与纳米尺度物理 · 物理学 2024-09-23 Haoran Cui , Theodore Maranets , Tengfei Ma , Yan Wang

The penetration of atomic hydrogen through defect-free graphene was generally predicted to have a barrier of at least several eV, which is much higher than the 1 eV barrier measured for hydrogen-gas permeation through pristine graphene…

材料科学 · 物理学 2023-07-26 Wenqi Xiong , Weiqing Zhou , Pengzhan Sun , Shengjun Yuan