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Related papers: Graphene/$\alpha$-RuCl$_3$: An Emergent 2D Plasmon…

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Reliable, clean transfer and interfacing of 2D material layers is technologically as important as their growth. Bringing both together remains a challenge due to the vast, interconnected parameter space. We introduce a fast-screening…

Graphene is a unique two-dimensional (2D) material that has been extensively investigated owing to its extraordinary photonic, electronic, thermal, and mechanical properties. Excited plasmons along its surface and other unique features are…

Optics · Physics 2022-02-17 Tianjing Guo , Christos Argyropoulos

We report a study of electronic transport in van der Waals heterostructures composed of flakes of the antiferromagnetic Mott insulator a-RuCl_3 placed on top of monolayer graphene Hall bars. While the zero-field transport shows a strong…

Strongly Correlated Electrons · Physics 2019-12-11 Boyi Zhou , J. Balgley , P. Lampen-Kelley , J. -Q. Yan , D. G. Mandrus , E. A. Henriksen

First-principles calculations reported here illuminate the effects of the interfacial properties of $\alpha$-Al$_{2}$O$_{3}$ and graphene, with emphasis on the structural and electronic properties. Various contact interfaces and different…

Graphene is a promising candidate to succeed silicon based devices and doping holds the key to graphene electronics. Conventional doping methods through surface functionalization or lattice modification are effective in tuning carrier…

Mesoscale and Nanoscale Physics · Physics 2016-11-16 Yangbo Zhou , Jakub Jadwiszczak , Darragh Keane , Ying Chen , Dapeng Yu , Hongzhou Zhang

Nonlinear nanophotonics leverages engineered nanostructures to funnel light into small volumes and intensify nonlinear optical processes with spectral and spatial control. Due to its intrinsically large and electrically tunable nonlinear…

Adsorbed atoms and molecules play an important role in controlling and tuning the functional properties of two-dimensional (2D) materials. Understanding and predicting this process from theory is challenging because of the need to capture…

Mesoscale and Nanoscale Physics · Physics 2017-07-12 Fabiano Corsetti , Arash A. Mostofi , Johannes Lischner

Intense efforts have been made in recent years to realize nonlinear optical interactions at the single-photon level. Much of this work has focused on achieving strong third-order nonlinearities, such as by using single atoms or other…

Mesoscale and Nanoscale Physics · Physics 2015-08-25 Marco T. Manzoni , Iván Silveiro , F. Javier García de Abajo , Darrick E. Chang

Intralayer deformation in van der Waals (vdW) heterostructures is generally assumed to be negligible due to the weak nature of the interactions between the layers, especially when the interfaces are found incoherent. In the present work,…

Materials Science · Physics 2018-07-18 Benoit Van Troeye , Aurélien Lherbier , Jean-Christophe Charlier , Xavier Gonze

In order to realise the potential of graphene nanocomposites it is vital to control the degree of dispersion and achieve a strong graphene polymer interface. Herein, we developed a facile grafting to functionalisation approach for graphene…

The charge distribution induced by external fields in finite stacks of graphene planes, or in semiinfinite graphite is considered. The interlayer electronic hybridization is described by a nearest neighbor hopping term, and the charge…

Mesoscale and Nanoscale Physics · Physics 2009-11-11 F. Guinea

Optical excitation and subsequent decay of graphene plasmons can produce a significant increase in charge-carrier temperature. An efficient method to convert this temperature elevation into a measurable electrical signal at room temperature…

Mesoscale and Nanoscale Physics · Physics 2018-08-29 Qiushi Guo , Renwen Yu , Cheng Li , Shaofan Yuan , Bingchen Deng , F. Javier García de Abajo , Fengnian Xia

Heterostructures of 2D materials offer a fertile ground to study ion transport and charge storage. Here we employ ab initio molecular dynamics to examine the proton-transfer/diffusion and redox behavior in a water layer confined in the…

Chemical Physics · Physics 2022-01-12 Lihua Xu , De-en Jiang

We investigate scattering of the topological surface state of a three-dimensional time-reversal invariant topological insulator when graphene is deposited on the topological-insulator surface. Specifically, we consider the (111) surface of…

Mesoscale and Nanoscale Physics · Physics 2017-03-29 Christophe De Beule , Mohammad Zarenia , Bart Partoens

Nonlinear plasmonic effects in perspective 2D materials containing low-dimensional quantum emitters can be a basis of a novel technological platform for the fabrication of fast all-plasmonic triggers, transistors, and sensors. This article…

Mesoscale and Nanoscale Physics · Physics 2023-02-02 M. Yu. Gubin , A. Yu. Leksin , A. V. Shesterikov , A. V. Prokhorov , V. S. Volkov

Here, we investigate the nonreciprocal propagation and amplification of surface plasmons in drift-current biased graphene, using both Galilean and relativistic-type Doppler shift transformations of the graphene's conductivity. Consistent…

Mesoscale and Nanoscale Physics · Physics 2022-11-02 Tiago A. Morgado , Mário G. Silveirinha

We report the transport properties of ${\alpha}$-RuCl$_3$/bilayer graphene heterostructures, where carrier doping is induced by a work function difference, resulting in distinct electron and hole populations in ${\alpha}$-RuCl3 and bilayer…

Using a powerful homogenization technique, one- and two-dimensional graphene metasurfaces are homogenized both at the fundamental frequency (FF) and second harmonic (SH). In both cases, there is excellent agreement between the predictions…

Optics · Physics 2019-05-17 Qun Ren , J. W. You , N. C. Panoiu

We report an investigation of the graphene/substrate interface morphology in large-area polycrystalline graphene grown by chemical-vapour deposition and wet-transferred onto Si wafers. We combined spectroscopic ellipsometry, X-ray…

Advances in graphene plasmonics offer numerous opportunities for enabling the design and manufacture of a variety of nanoelectronics and other exciting optical devices. However, due to the limitation of material properties, its operating…

Applied Physics · Physics 2020-12-29 Li-Zheng Yin , Tie-Jun Huang , Di Wang , Pu-Kun Liu