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We show that graphene-dielectric multilayers give rise to an unusual tunability of the Casimir-Lifshitz forces, and allow to easily realize completely different regimes within the same structure. Concerning thermal effects,…

Mesoscale and Nanoscale Physics · Physics 2017-03-27 Chahine Abbas , Brahim Guizal , Mauro Antezza

The electromagnetic mode spectrum of single-layer graphene subjected to a quantizing magnetic field is computed taking into account intraband and interband contributions to the magneto-optical conductivity. We find that a sequence of weakly…

Mesoscale and Nanoscale Physics · Physics 2012-05-16 A. Ferreira , N. M. R. Peres , A. H. Castro Neto

We introduce a different perspective describing electron-phonon interactions in graphene based on curved space hydrodynamics. Interactions of phonons with charge carriers increase the electrical resistivity of the material. Our approach…

Materials Science · Physics 2017-02-15 Ilario Giordanelli , Miller Mendoza , Hans Herrmann

Orbital magnetism is studied for graphene flakes with various shapes and edge configurations using the tight-binding approximation. In the low-temperature regime where the thermal energy is much smaller than to the energy level spacing, the…

Mesoscale and Nanoscale Physics · Physics 2013-03-27 Yuya Ominato , Mikito Koshino

For electron optics in graphene, the propagation effect has so far been the only physical mechanism available. The resulting electron-optics-based components are large in size and operate at low temperatures to avoid violating the ballistic…

Mesoscale and Nanoscale Physics · Physics 2023-04-12 Ruihuang Zhao , Pengcheng Wan , Ling Zhou , Di Huang , Haiqin Guo , Hao Xia , Junjie Du

Ultralow dimensionality of 2D layers magnifies their sensitivity to adjacent charges enabling even postprocessing electric control of multifunctional structures. However, functionalizing 2D layers remains an important challenge for…

Mesoscale and Nanoscale Physics · Physics 2024-05-07 K. Maity , J. -F. Dayen , B. Doudin , R. Gumeniuk , B. Kundys

Engineering the electronic properties of graphene has triggered great interest for potential applications in electronics and opto-electronics. Here we demonstrate the possibility to tune the electronic transport properties of graphene…

Mesoscale and Nanoscale Physics · Physics 2015-05-28 F. Withers , S. Russo , M. Dubois , M. F. Craciun

The subject of thermal transport at the mesoscopic scale and in low-dimensional systems is interesting for both fundamental research and practical applications. As the first example of truly two-dimensional materials, graphene has…

Materials Science · Physics 2014-06-10 Yong Xu , Zuanyi Li , Wenhui Duan

We show that, on general theoretical grounds, transmission of light in graphene always presents a non-vanishing minimum value independently of any material and physical condition, the transmission coefficient being higher in the presence of…

Mesoscale and Nanoscale Physics · Physics 2015-11-05 S. Esposito

Solid-state magnetic field sensors are important to both modern electronics and fundamental materials science. Many types of these sensors maintain high sensitivity only in a limited range of temperature and background magnetic field, but…

Mesoscale and Nanoscale Physics · Physics 2020-08-21 Brian T. Schaefer , Lei Wang , Alexander Jarjour , Kenji Watanabe , Takashi Taniguchi , Paul L. McEuen , Katja C. Nowack

It is shown that a graphene layer on top of a dielectric slab can dramatically influence the ability of this dielectric for radiative heat exchange. Effect of graphene is related to thermally excited plasmons. Frequency of these resonances…

Mesoscale and Nanoscale Physics · Physics 2012-09-04 V. B. Svetovoy , P. J. van Zwol , J. Chevrier

The magnetic circular dichroism and the Faraday rotation are the fundamental phenomena of great practical importance arising from the breaking of the time reversal symmetry by a magnetic field. In most materials the strength and the sign of…

One of the most important developments in condensed matter physics in recent years has been the discovery and characterization of graphene. A two-dimensional layer of Carbon arranged in a hexagonal lattice, graphene exhibits many…

High Energy Physics - Lattice · Physics 2015-09-23 Christopher Winterowd , Carleton DeTar , Savvas Zafeiropoulos

We review thermal properties of graphene and few-layer graphene, and discuss applications of these materials in thermal management of advanced electronics. The intrinsic thermal conductivity of graphene - among the highest of known…

Mesoscale and Nanoscale Physics · Physics 2015-08-11 Zhong Yan , Denis L. Nika , Alexander A. Balandin

Graphene plasmons have recently attracted a great deal of attention because of their tunability, long lifetime, and high degree of field confinement in the vertical direction. Nearby metal gates have been shown to modify the graphene…

Mesoscale and Nanoscale Physics · Physics 2018-08-01 Alessandro Principi , Erik van Loon , Marco Polini , Mikhail I. Katsnelson

We have fabricated transistor structures using fluorinated single-layer graphene flakes and studied their electronic properties at different temperatures. Compared with pristine graphene, fluorinated graphene has very large and strongly…

Materials Science · Physics 2013-05-29 Freddie Withers , Marc Dubois , Alexander K. Savchenko

Oscillatory magnetoresistance measurements on graphene have revealed a wealth of novel physics. These phenomena are typically studied at low currents. At high currents, electrons are driven far from equilibrium with the atomic lattice…

The interaction between two different materials can present novel phenomena that are quite different from the physical properties observed when each material stands alone. Strong electronic correlations, such as magnetism and…

Thermoelectric power, electrical conductivity, and high field Hall effect were studied over a broad temperature range in ferromagnetic Ga(1-x)Mn(x)As epitaxial layers (0.015<x<0.06). Thermoelectric power analysis gives the information about…

We use suspended graphene electromechanical resonators to study the variation of resonant frequency as a function of temperature. Measuring the change in frequency resulting from a change in tension, from 300 K to 30 K, allows us to extract…

Mesoscale and Nanoscale Physics · Physics 2010-04-13 Vibhor Singh , Shamashis Sengupta , Hari S. Solanki , Rohan Dhall , Adrien Allain , Sajal Dhara , Prita Pant , Mandar M. Deshmukh