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The ability to manipulate optical fields and the energy flow of light is central to modern information and communication technologies, as well as quantum information processing schemes. However, as photons do not possess charge, controlling…

We present a simple device architecture that allows all-electrical detection of plasmons in a graphene waveguide. The key principle of our electrical plasmon detection scheme is the non-linear nature of the hydrodynamic equations of motion…

Mesoscale and Nanoscale Physics · Physics 2015-02-09 Iacopo Torre , Andrea Tomadin , Roman Krahne , Vittorio Pellegrini , Marco Polini

We study theoretically the dipole-dipole interaction and energy transfer in a hybrid system consisting of a quantum dot and graphene nanodisk embedded in a nonlinear photonic crystal. In our model a probe laser field is applied to measure…

Mesoscale and Nanoscale Physics · Physics 2015-06-11 Joel D. Cox , Mahi R. Singh , Godfrey Gumbs , Miguel. A. Antón , Fernando Carreño

Near-field radiative heat transfer (NFRHT) is strongly related with many applications such as near-field imaging, thermos-photovoltaics and thermal circuit devices. The active control of NFRHT is of great interest since it provides a degree…

Mesoscale and Nanoscale Physics · Physics 2019-07-17 Lixin Ge , Ke Gong , Yuping Cang , Yongsong Luo , Xi Shi , Ying Wu

We consider the consequence of nonreciprocity in near-field heat transfer by studying systems consisting of magneto-optical nanoparticles.We demonstrate that, in thermal equilibrium, a nonreciprocal many-body system in heat transfer can…

Optics · Physics 2016-09-28 Linxiao Zhu , Shanhui Fan

We studied experimentally the effect of turbulent thermal diffusion in a multi-fan turbulence generator which produces a nearly homogeneous and isotropic flow with a small mean velocity. Using Particle Image Velocimetry and Image Processing…

Fluid Dynamics · Physics 2009-11-11 A. Eidelman , T. Elperin , N. Kleeorin , I. Rogachevskii , I. Sapir-Katiraie

In this paper, we study the effects of the interparticle interaction range on heat flow. We show that, by increasing the interaction range, we may amplify the thermal conductivity and even change the regime of heat transport. More…

Statistical Mechanics · Physics 2015-06-17 Emmanuel Pereira , Ricardo R. Ávila

We investigate the thermal conductivity of suspended graphene as a function of the density of defects, ND, introduced in a controllable way. Graphene layers are synthesized using chemical vapor deposition, transferred onto a transmission…

We show that periodic multilayered structures allow to drastically enhance near-field radiative heat transfer between nanoparticles. In particular, when the two nanoparticles are placed on each side of the multilayered structure, at the…

Mesoscale and Nanoscale Physics · Physics 2019-10-23 Yong Zhang , Hong-Liang Yi , He-Ping Tan , Mauro Antezza

Phononic (thermal) devices are studied such as thermal diode, thermal transistors, thermal logic gates, and thermal memories. However, the thermal resistor has not been demonstrated yet. Here, we propose an instantaneously adjustable…

Mesoscale and Nanoscale Physics · Physics 2016-08-26 Qichen Song , Meng An , Xiandong Chen , Zhan Peng , Jianfeng Zang , Nuo Yang

In this letter, we propose the resonant tunneling diode (RTD) based on a double-barrier graphene/boron nitride (BN) heterostructure as device suitable to take advantage of the elaboration of atomic sheets containing different domains of BN…

Mesoscale and Nanoscale Physics · Physics 2012-08-01 Nguyen Viet Hung , Fulvio Mazzamuto , Arnaud Bournel , Philippe Dollfus

The electronic structure, specific heat, and thermal conductivity of silicon embedded in a monolayer graphene nanosheet are studied using Density Functional Theory. Two different shapes of the substitutional Si doping in the graphene are…

Mesoscale and Nanoscale Physics · Physics 2019-10-29 Hunar Omar Rashid , Nzar Rauf Abdullah , Vidar Gudmundsson

Using a block of three separated solid elements, a thermal source and drain together with a gate made of an insulator-metal transition material exchanging near-field thermal radiation, we introduce a nanoscale analog of a field-effect…

Mesoscale and Nanoscale Physics · Physics 2015-06-17 Philippe Ben-Abdallah , Svend-Age Biehs

Graphene can support surface plasmons with higher confinement, lower propagation loss, and substantially more tunable response compared to usual metal-based plasmonic structures. Interestingly, plasmons in graphene can strongly couple with…

Optics · Physics 2023-08-03 Tianjing Guo , Christos Argyropoulos

Metasurfaces, together with graphene plasmonics, have become prominent for the emissivity control in thermal engineering, both passively through changing the geometric parameters and packing density of the metasurfaces, and actively through…

Applied Physics · Physics 2022-09-16 Jiayu Li , Zhuo Li , Xiu Liu , Stanislav Maslovski , Sheng Shen

Infrared plasmons in doped graphene nanostructures produce large optical absorption that can be used for narrow-band thermal light emission at tunable frequencies that strongly depend on the doping charge. By virtue of Kirchhoff's law,…

Mesoscale and Nanoscale Physics · Physics 2014-11-27 Alejandro Manjavacas , Sukosin Thongrattanasiri , Jean-Jacques Greffet , F. Javier García de Abajo

Thermal nonreciprocity plays a vital role in chip heat dissipation, energy-saving design, and high-temperature hyperthermia, typically realized through the use of advanced metamaterials with nonlinear, advective, spatiotemporal, or gradient…

Applied Physics · Physics 2024-10-28 Min Lei , Peng Jin , Yuhong Zhou , Ying Li , Liujun Xu , Jiping Huang

We study thermal transport in folded graphene nanoribbons using molecular dynamics simulations and the non-equilibrium Green's function method. It is found that the thermal conductivity of flat graphene nanoribbons can be modulated by…

Mesoscale and Nanoscale Physics · Physics 2015-06-05 Nuo Yang , Xiaoxi Ni , Jin-Wu Jiang , Baowen Li

We develop a theory to model the interaction of graphene substrate with localized plasmon resonances in metallic nanoparticles. The influence of a graphene substrate on the surface plasmon resonances is described using an effective…

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