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We describe a simple and scalable method for the transfer of CVD graphene for the fabrication of field effect transistors. This is a dry process that uses a modified RCA cleaning step to improve the surface quality. In contrast to…

Mesoscale and Nanoscale Physics · Physics 2016-01-07 T. S. Abhilash , Roberto De Alba , Nikolay Zhelev , Harold G Craighead , Jeevak M Parpia

In the present work we theoretically analyze the contribution from a transverse Fermi-liquid collective mode to the transmission of electromagnetic waves through a thin film of a clean metal in the presence of a strong external magnetic…

Materials Science · Physics 2007-10-23 Natalya A. Zimbovskaya

We investigate the propagation of surface waves along a spatially dispersive graphene sheet, including substrate effects. The proposed analysis derives the admittances of an equivalent circuit of graphene able to handle spatial dispersion,…

Mesoscale and Nanoscale Physics · Physics 2013-09-03 J. S. Gomez-Diaz , J. R. Mosig , J. Perruisseau-Carrier

Quantum transport properties of disordered graphene with structural defects (Stone-Wales and divacancies) are investigated using a realistic {\pi}-{\pi}* tight-binding model elaborated from ab initio calculations. Mean free paths and…

We derive an expression for the transport mean free path $\ell^*_\perp$ associated with magneto-transverse light diffusion for a random collection of Faraday-active Mie scatterers. This expression relates the magneto-transverse diffusion in…

Mesoscale and Nanoscale Physics · Physics 2014-12-09 D. Lacoste , B. A. van Tiggelen

We investigated a multilayer graphene-dielectric composite material, comprising graphene sheets separated by subwavelength-thick dielectric spacer, and found it to exhibit hyperbolic isofrequency wavevector dispersion at far- and…

Mesoscale and Nanoscale Physics · Physics 2014-05-26 Mohamed A. K. Othman , Caner Guclu , Filippo Capolino

We study analytically the plasmonic modes in the graphene-coated dielectric nanowire, based on the explicit form of nonlinear surface conductivity of graphene. The propagation constants of different plasmonic modes can be tuned by the input…

Optics · Physics 2016-10-26 Rujiang Li , Xiao Lin , Hongsheng Chen , Shisheng Lin , Xianmin Zhang , Erping Li

Optical reflectivity and transmission measurements over photon energies between 0.2 and 1.2 eV were performed on single-crystal graphene samples on a transparent SiO2 substrate. For photon energies above 0.5 eV, graphene yielded a…

Materials Science · Physics 2009-11-13 Kin Fai Mak , Matthew Y. Sfeir , Yang Wu , Chun Hung Lui , James A. Misewich , Tony F. Heinz

This work performs a numerical study of electron transport through the fundamental logic gate in valleytronics - a valley valve consisting of two or increasing number of valley filters. Various typical effects on the transport are…

Mesoscale and Nanoscale Physics · Physics 2022-11-09 Jia-Huei Jiang , Ning-Yuan Lue , Feng-Wu Chen , Yu-Shu G. Wu

In this work, we investigated a simple structured graphene terahertz (THz) metasurface (MSF) with perfect absorption, wideband, polarization insensitive, oblique incidence insensitive and frequency reconfiguration. The graphene MSF…

Signal Processing · Electrical Eng. & Systems 2019-10-21 Sasmita Dash , Christos Liaskos , Ian F. Akyildiz , Andreas Pitsillides

We investigate the reflectionlessness and invisibility properties in the transverse electric (TE) mode solution of a linear homogeneous optical system which comprises the $\mathcal{PT}$-symmetric structures covered by graphene sheets. We…

Optics · Physics 2018-01-11 Mustafa Sarisaman , Murat Tas

Ultra-clean graphene sheets encapsulated between hexagonal boron nitride crystals host two-dimensional electron systems in which low-temperature transport is solely limited by the sample size. We revisit the theoretical problem of carrying…

Mesoscale and Nanoscale Physics · Physics 2016-10-04 M. Beconcini , S. Valentini , R. Krishna Kumar , G. H. Auton , A. K. Geim , L. A. Ponomarenko , M. Polini , F. Taddei

The unique optical properties of graphene, with broadband absorption and ultrafast response, make it a critical component of optoelectronic and spintronic devices. Using time-resolved momentum microscopy with high data rate and high dynamic…

Electron transport in graphene under a laser-modulated barrier is studied in the presence of an energy gap, a scalar potential, and a uniaxial zigzag strain. The transfer-matrix approach is used with the boundary conditions to derive the…

Mesoscale and Nanoscale Physics · Physics 2026-04-22 Hasna Chnafa , Clarence Cortes , David Laroze , Ahmed Jellal

Using a linear array of voltage electrodes with a separation of several micrometers on a $20 $nm thick and 30 $\mu$m long multigraphene sample we show that the measured resistance does not follow the usual length dependence according to…

Materials Science · Physics 2015-06-03 P. Esquinazi , J. Barzola-Quiquia , S. Dusari , N. García

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…

In this work, device performances of tunneling field effect transistors (TFETs) based on phosphorene are explored via self-consistent atomistic quantum transport simulations. Phosphorene is an ultra-thin two-dimensional (2-D) material with…

Mesoscale and Nanoscale Physics · Physics 2015-02-27 Jiwon Chang , Chris Hobbs

The spatial distributions of the valence-electron density and the total energy reliefs for water (or methanol) migration on the free surface of graphene are obtained, by using the electron density functional and ab initio pseudopotential…

Mesoscale and Nanoscale Physics · Physics 2015-11-30 A. G. Barylka , R. M. Balabai

We experimentally investigate electrical transport properties of graphene, which is a two dimensional (2D) conductor with relativistic energy dispersion relation. By investigating single- and bi-layer graphene devices with different aspect…

Mesoscale and Nanoscale Physics · Physics 2009-11-13 F. Miao , S. Wijeratne , U. Coskun , Y. Zhang , C. N. Lau

The shortcomings of mono-component systems, e.g., the gapless nature of graphene, the lack of air-stability in phosphorene, etc. have drawn great attention toward stacked materials expected to show interesting electronic and optical…

Mesoscale and Nanoscale Physics · Physics 2020-12-24 Maryam Mahdavifar , Sima Shekarforoush , Farhad Khoeini
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