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Related papers: Graphene-based Soft Wearable Antennas

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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…

Owing to their unprecedented electronic properties, graphene and two-dimensional (2D) crystals have brought fresh opportunities for advances in planar spintronic devices. Graphene is an ideal medium for spin transport while also being an…

Mesoscale and Nanoscale Physics · Physics 2019-03-27 I. G. Serrano , J. Panda , Fernand Denoel , Örjan Vallin , Dibya Phuyal , Olof Karis , M. Venkata Kamalakar

We previously show [JETP Letters, {\bf 114}, 763 (2021)] that a graphene sample placed on a ferromagnetic substrate demonstrates a cooperative magnetoelectronic instability. The instability induces a gap in the electronic spectrum and a…

Mesoscale and Nanoscale Physics · Physics 2022-04-29 D. N. Dresviankin , A. V. Rozhkov , A. O. Sboychakov

The concern on human health is often overseen while wearable technologies attract exploding interests. Mainly due to the extreme proximity or a direct physical contact to the human skin, wearable communications devices are acknowledged to…

Signal Processing · Electrical Eng. & Systems 2019-12-12 Seungmo Kim , Yakub Sharif , Imtiaz Nasim

Graphene is a single layer of carbon atoms arranged in a honeycomb lattice with remarkable mechanical, electrical and optical properties. For the first time graphene layers suspended on copper meshes were installed into a gas detector…

This paper presents a novel analytical model for chiral multi-layer waveguides incorporating graphene sheets. The general structure is composed of various chiral layers, where a graphene sheet has been sandwiched between two adjacent chiral…

Two-dimensional materials such as graphene and transition metal dichalcogenides (TMDs) are ideal candidates to create ultra-thin electronics suitable for flexible substrates. Although optoelectronic devices based on TMDs have demonstrated…

Mesoscale and Nanoscale Physics · Physics 2018-03-15 Peize Han , Luke St. Marie , Qing X. Wang , Nicholas Quirk , Abdel El Fatimy , Masahiro Ishigami , Paola Barbara

The importance of indoor mobile connectivity has increased during the last years, especially during the Covid-19 pandemic. In contrast, new energy-efficient buildings contain structures like low-emissive windows and multi-layered thermal…

Signal Processing · Electrical Eng. & Systems 2023-08-16 Lauri Vähä-Savo , Katsuyuki Haneda , Clemens Icheln , Xiaoshu Lü

This review provides a critical overview of current developments on nanoelectronic biochemical sensors based on graphene. Composed of a single layer of conjugated carbon atoms, graphene has outstanding high carrier mobility and low…

Materials Science · Physics 2020-12-14 Xiaoyan Zhang , Qiushi Jing , Shen Ao , Grégory F. Schneider , Dmitry Kireev , Zhengjun Zhang , Wangyang Fu

The unique gate-voltage dependent optical properties of graphene make it a promising electrically-tunable plasmonic material. In this work, we proposed in-situ control of the polarization of nanoantennas by combining plasmonic structures…

Optics · Physics 2018-03-26 Yuwei Qin , Xiaoyan Y. Z. Xiong , Wei E. I. Sha , Li Jun Jiang

Graphene has generated exceptional interest as an optoelectronic material because its high carrier mobility and broadband absorption promise to make extremely fast and broadband electro-optic devices possible. Electro-optic graphene…

The interest in two-dimensional and layered materials continues to expand, driven by the compelling properties of individual atomic layers that can be stacked and/or twisted into synthetic heterostructures. The plethora of electronic…

Unparalleled strength, chemical stability, ultimate surface-to-volume ratio and excellent electronic properties of graphene make it an ideal candidate as a material for membranes in micro- and nanoelectromechanical systems (MEMS and NEMS).…

The combination of high frequency vibrations and metallic transport in graphene makes it a unique material for nano-electromechanical devices. In this letter, we show that graphene-based nano-electromechanical devices are extremely well…

Mesoscale and Nanoscale Physics · Physics 2012-03-13 Tony Low , Yongjin Jiang , Mikhail Katsnelson , Francisco Guinea

We report on the efficient photodetection (PD) properties of graphene based p-i-n photodetector, where all the three layers are either single or multilayer graphene sheets. We report the bandwidth and responsivity performance of the device.…

Applied Physics · Physics 2018-03-01 Kanishka Majumder , Devesh Barshilia , Subimal Majee

We describe a method for scalable synthesis of epoxy composites with graphene and few-layer graphene fillers, and report on the electromagnetic interference (EMI) shielding and thermal properties of such composites at elevated temperatures.…

While graphene is a semi-metal, a recently synthesized hydrogenated graphene called graphane, is an insulator. We have probed the transformation of graphene upon hydrogenation to graphane within the framework of density functional theory.…

Mesoscale and Nanoscale Physics · Physics 2012-10-05 Prachi Chandrachud , Bhalchandra S Pujari , Soumyajyoti Haldar , Biplab Sanyal , D G Kanhere

Results of a study on the electrochemical properties of exfoliated single and multilayer graphene flakes are presented. Graphene flakes were deposited on silicon/silicon oxide wafers to enable fast and accurate characterization by optical…

Mesoscale and Nanoscale Physics · Physics 2011-10-11 Anna T. Valota , Ian A. Kinloch , Kostya S. Novoselov , Cinzia Casiraghi , Axel Eckmann , Ernie W. Hill , Robert A. W. Dryfe

Graphene is a very attractive material for broadband photodetection in hyperspectral imaging and sensing systems. However, its potential use has been hindered by tradeoffs between the responsivity, bandwidth, and operation speed of existing…

Applied Physics · Physics 2017-10-03 Semih Cakmakyapan , Ping Keng Lu , Aryan Navabi , Mona Jarrahi

In the development of terahertz (THz) communication systems, the nanoantenna is the most significant component. Especially, the focus is to design highly directive antennas, because it enhances the performance of the overall system by…

Signal Processing · Electrical Eng. & Systems 2020-11-10 Sasmita Dash , Christos Liaskos , Ian F. Akyildiz , Andreas Pitsillides