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Related papers: Magneto-Plasmons in Grounded Graphene-Based Struct…

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In recent years, the hybridization of hyperbolic van der Waals heterostructures with plasmonic two-dimensional nano-materials is one of the interesting research areas at THz frequencies due to the coupled features of the hybrid structure.…

We report on heat conduction properties of thermal interface materials with self-aligning "magnetic grapheme" fillers. Graphene enhanced nano-composites were synthesized by an inexpensive and scalable technique based on liquid-phase…

Materials Science · Physics 2015-10-16 J. Renteria , S. Legedza , R. Salgado , M. P. Balandin , S. Ramirez , M. Saadah , F. Kargar , A. A. Balandin

Many of the properties of graphene are tied to its lattice structure, allowing for tuning of charge carrier dynamics through mechanical strain. The graphene electro-mechanical coupling yields very large pseudomagnetic fields for small…

Mesoscale and Nanoscale Physics · Physics 2016-01-06 Shuze Zhu , Joseph A. Stroscio , Teng Li

Electrodynamic properties of the graphene - magnetic semiconductor - graphene sandwich-structure have been investigated theoretically with taking into account the dissipation processes. Influence of graphene layers on electromagnetic waves…

Mesoscale and Nanoscale Physics · Physics 2014-12-31 Dmitry A. Kuzmin , Igor V. Bychkov , Vladimir G. Shavrov

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 present a magnetically biased graphene-ferrite structure discriminating the TE and TM plasmonic modes of graphene. In this structure, the graphene TM plasmons interact reciprocally with the structure. In contrast, the graphene TE…

Mesoscale and Nanoscale Physics · Physics 2016-08-24 Nima Chamanara , Christophe Caloz

Analysis of the strain-induced pseudomagnetic fields (PMFs) generated in graphene nanobulges under three different substrate scenarios shows that, in addition to the shape, the graphene-substrate interaction can crucially determine the…

Mesoscale and Nanoscale Physics · Physics 2014-09-18 Zenan Qi , Alexander L. Kitt , Harold S. Park , Vitor M. Pereira , David K. Campbell , A. H. Castro Neto

The independent predictions of edge ferromagnetism and the Quantum Spin Hall phase in graphene have inspired the quest of other two dimensional honeycomb systems, such as silicene, germanene, stanene, iridiates, and organometallic lattices,…

Mesoscale and Nanoscale Physics · Physics 2014-07-28 J. L. Lado , J. Fernández-Rossier

In this paper, we predict the existence of low-frequency nonlocal plasmon excitations at the vacuum-surface interface of a superlattice of $N$ graphene layers interacting with a thick conducting substrate. This is different from graphite…

Mesoscale and Nanoscale Physics · Physics 2015-08-11 Godfrey Gumbs , Andrii Iurov , Jhao-Ying Wu , M. F. Lin , Paula Fekete

The last decade has seen a flurry of studies related to graphene nanoribbons owing to their potential applications in the quantum realm. However, little experimental work has been reported towards nanoribbons of other 2D materials due to…

Graphene is intrinsically non-flat and corrugates randomly. Since the corrugating physics of atomically-thin graphene is strongly tied to its electronics properties, randomly corrugating morphology of graphene poses significant challenge to…

Mesoscale and Nanoscale Physics · Physics 2011-11-10 Teng Li

We experimentally demonstrate graphene-plasmon polariton excitation in a continuous graphene monolayer resting on a two-dimensional subwavelength silicon grating. The subwavelength silicon grating is fabricated by a nanosphere lithography…

We propose new electromagnetic surface waves at the interface formed by connecting a perfect electric conductor (PEC) and a perfect magnetic conductor (PMC) parallel plate waveguides containing materials with positive permittivities and…

Optics · Physics 2024-10-29 Seong-Han Kim , Chul-Sik Kee

Using atomistic simulations we investigate the morphological properties of graphene deposited on top of a nanostructured substrate. Sinusoidally corrugated surfaces, steps, elongated trenches, one dimensional and cubic barriers, spherical…

Mesoscale and Nanoscale Physics · Physics 2015-06-04 M. Neek-Amal , F. M. Peeters

In the long-wavelength approximation, the effective conductivity tensor is introduced for graphene ribbons (strips) placed periodically at the interface between two media. The resulting conducting surface is considered as a coating for…

In the present paper, the collective near-field effects in a two-graphene sheets plasmonic waveguide loaded with an array of Ag$_2$Se quantum dots excited by external radiation are theoretically studied. This research aims to develop a…

Mesoscale and Nanoscale Physics · Physics 2021-10-07 M. Yu. Gubin , A. V. Prokhorov , V. S. Volkov , A. B. Evlyukhin

Realizing magnetism in graphene/carbon nanostructures is a decade-long challenge. The magnetic edge state and half metallicity in zigzag graphene nanoribbons are particularly promising [Y.-W. Son, et al., Nature 444, 347 (2006)]. However,…

Mesoscale and Nanoscale Physics · Physics 2018-12-05 Shiyuan Gao , Li Yang

A fully integrated waveguide-based, efficient surface plasmon coupler composed of a realistic non-tapered dielectric waveguide with graphene patches and sheet is designed and optimized for the infrared. The coupling efficiency can reach…

Optics · Physics 2025-04-07 Aswani Natarajan , Guillaume Demésy , Gilles Renversez

We propose and discuss terahertz electro-absorption modulators based on graphene plasmonic structures. The active device consists of a self-gated pair of graphene layers, which are patterned to structures supporting THz plasmonic…

Mesoscale and Nanoscale Physics · Physics 2015-06-12 Berardi Sensale-Rodriguez , Rusen Yan , Mingda Zhu , Debdeep Jena , Lei Liu , Huili Grace Xing

Graphene hybrids, made of thin insulators, graphene, and metals can support propagating acoustic plasmons (AGPs). The metal screening modifies the dispersion relation of usual graphene plasmons leading to slowly propagating plasmons, with…

Mesoscale and Nanoscale Physics · Physics 2021-05-27 Tatiana G. Rappoport , Yuliy V. Bludov , Frank H. L. Koppens , Nuno M. R. Peres