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Carbon fibres (CF) represent a significant volume fraction of modern structural airframes. Embedded into polymer matrices, they provide significant strength and stiffness gains over unit weight as compared to other competing structural…

We developed a combined atomistic-continuum hierarchical multiscale approach to explore the effective thermal conductivity of graphene laminates. To this aim, we first performed molecular dynamics simulations in order to study the heat…

Materials Science · Physics 2017-04-07 B Mortazavi , T Rabczuk

A new formula for elastic bending modulus of monolayer graphene is derived analytically from an empirical potential for solid-state carbon-carbon bonds. Two physical origins are identified for the non-vanishing bending modulus of the…

Materials Science · Physics 2015-05-13 Qiang Lu , Marino Arroyo , Rui Huang

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

Thermal properties of suspended single-layer graphene membranes are investigated by characterization of their mechanical motion in response to a high-frequency modulated laser. A characteristic delay time $\tau$ between the optical…

This study investigates the nanoscale conductivity of encapsulated monolayer graphene at temperatures down to 5 K and magnetic fields of up to 1 T. We use the scattering-type scanning near-field optical microscopy (s-SNOM) technique to…

Amorphous Co-rich microwires with excellent soft magnetic and mechanical properties produced by melt-extraction technique are emerging as a multifunctional material for a variety of applications ranging from ultrasensitive magnetic field…

Graphene has become in last decades a paradigmatic example of two-dimensional and so-called van-der-Waals layered materials, showing large anisotropy in their physical properties. Here we study the elastic properties and mechanical…

Materials Science · Physics 2023-11-22 Carlos P. Herrero , Rafael Ramirez

This article aims to propose a novel analytical model for anisotropic multi-layer elliptical structures incorporating graphene layers. The multi-layer structure is formed of various magnetic materials. An external magnetic bias has been…

Layered systems shows anisotropic transport properties. The interlayer conductivity show a general temperature dependence for a wide class of materials. This can be understood if conduction occurs in two different channels activated at…

Mesoscale and Nanoscale Physics · Physics 2007-05-23 Urban Lundin , Ross H. McKenzie

The room temperature carrier mobility in atomically thin 2D materials is usually far below the intrinsic limit imposed by phonon scattering as a result of scattering by remote charged impurities in its environment. We simulate the charged…

Mesoscale and Nanoscale Physics · Physics 2014-12-11 Zhun-Yong Ong , Gang Zhang , Yong Wei Zhang

Emerging flexible and wearable technologies such as healthcare electronics and energy-harvest devices could be transformed by the unique properties of graphene. The vision for a graphene-driven industrial revolution is motivating intensive…

Materials Science · Physics 2015-06-30 Thomas H. Bointon , Matthew D. Barnes , Saverio Russo , Monica F. Craciun

Ultrathin layers of semiconducting molybdenum disulfide (MoS2) offer significant prospects in future electronic and optoelectronic applications. Although an increasing number of experiments bring light into the electronic transport…

Mesoscale and Nanoscale Physics · Physics 2014-07-10 Jing Wu , Hennrik Schmidt , Amara Kiran Kumar , Xiangfan Xu , Goki Eda , Barbaros Özyilmaz

Following the emergence of many novel two-dimensional (2-D) materials beyond graphene, interest has grown in exploring implications for fundamental physics and practical applications, ranging from electronics, photonics, phononics, to…

Materials Science · Physics 2018-12-05 Xiaokun Gu , Yujie Wei , Xiaobo Yin , Baowen Li , Ronggui Yang

Mapping the thermal transport properties of materials at the nanoscale is of critical importance for optimizing heat conduction in nanoscale devices. Several methods to determine the thermal conductivity of materials have been developed,…

Mesoscale and Nanoscale Physics · Physics 2021-03-17 Oliver Braun , Roman Furrer , Pascal Butti , Kishan R. Thodkar , Ivan Shorubalko , Ilaria Zardo , Michel Calame , Mickael L. Perrin

We apply the semi-classical quantum Boltzmann formalism for the computation of transport properties to multilayer graphene. We compute the electrical conductivity as well as the thermal conductivity and thermopower for Bernal-stacked…

Mesoscale and Nanoscale Physics · Physics 2020-07-01 Glenn Wagner , Dung X. Nguyen , Steven H. Simon

Potentially new, single-atom thick semiconducting 2D-graphene-like material, called Anisotropic-cyclicgraphene, have been generated by the two stage searching strategy linking molecular and ab initio approach. The candidate derived from the…

Mesoscale and Nanoscale Physics · Physics 2018-03-20 Marcin Maździarz , Adam Mrozek , Wacław Kuś , Tadeusz Burczyński

The discovery of graphene, a single layer of covalently bonded carbon atoms, has attracted intense interests. Initial studies using mechanically exfoliated graphene unveiled its remarkable electronic, mechanical and thermal properties.…

Materials Science · Physics 2013-07-23 Ting Fung Chung , Tian Shen , Helin Cao , Luis A. Jauregui , Wei Wu , Qingkai Yu , David Newell , Yong P. Chen

In order to confine waves beyond the diffraction limit, advances in fabrication techniques have enabled subwavelength structuring of matter, achieving near-field control of light and other types of waves. The price is often expensive…

Applied Physics · Physics 2020-09-23 Emanuele Galiffi , Yao-Ting Wang , Zhen Lim , J. B. Pendry , Andrea Alù , Paloma A. Huidobro

We study electron transport in a strained graphene sheet subjected to a sequence of $N$ electrostatic and magnetic barriers. Employing a modified and improved transfer-matrix framework, we examine how the transmission and reflection…