English
Related papers

Related papers: Geometric effect on near-field heat transfer analy…

200 papers

We employ dual-gated 30{\deg}-twisted bilayer graphene to demonstrate simultaneous ultra-high mobility and conductivity (up to 40 mS at room temperature), unattainable in a single-layer of graphene. We find quantitative agreement with a…

Mesoscale and Nanoscale Physics · Physics 2022-01-12 Giulia Piccinini , Vaidotas Mišeikis , Kenji Watanabe , Takashi Taniguchi , Camilla Coletti , Sergio Pezzini

Thermal conduction in polymer nanocomposites depends on several parameters including the thermal conductivity and geometrical features of the nanoparticles, the particle loading, their degree of dispersion and formation of a percolating…

Applied Physics · Physics 2021-01-25 Alessandro di Pierro , Alberto Fina

The understanding of water transport in graphene oxide (GO) membranes stands out as a major theoretical problem in graphene research. Notwithstanding the intense efforts devoted to the subject in the recent years, a consolidated picture of…

Mesoscale and Nanoscale Physics · Physics 2017-03-08 A. Montessori , C. A. Amadei , G. Falcucci , M. Sega , C. D. Vecitis , S. Succi

In this work, we study the near-field heat transfer between composite nanostructures. It is demonstrated that thermally excited surface plasmon polaritons, surface phonon polaritons, and hyperbolic phonon polaritons in such composite…

Mesoscale and Nanoscale Physics · Physics 2019-08-28 W. B. Zhang , C. Y. Zhao , B. X. Wang

A discovery of the unusual thermal properties of graphene stimulated experimental, theoretical and computational research directed at understanding phonon transport and thermal conduction in two-dimensional material systems. We provide a…

Materials Science · Physics 2017-02-16 Denis L. Nika , Alexander A. Balandin

Recent experiments have indicated that employing nanostructures can enhance interfacial heat transport, but the mechanism by which different structural morphologies and dimensions contribute to the full-spectrum phonon interfacial transport…

Fluid Dynamics · Physics 2024-06-28 Wenzhu Luo , Neng Wang , Wenlei Lian , Ershuai Yin , Qiang Li

Uncertainties plays an important character in almost every problem which generally not considered and ideal cases are studied. As such, the consequences cost more and need model prediction. In view of these, this paper investigates…

Systems and Control · Electrical Eng. & Systems 2022-07-28 Sangeetha P S , Sukanta Nayak

Graphene exhibits extraordinary electronic and mechanical properties, and extremely high thermal conductivity. Being a very stable atomically thick membrane that can be suspended between two leads, graphene provides a perfect test platform…

Heat flow in nanomaterials is an important area of study, with both fundamental and technological implications. However, little is known about heat flow in two-dimensional (2D) devices or interconnects with dimensions comparable to the…

Mesoscale and Nanoscale Physics · Physics 2013-04-18 Myung-Ho Bae , Zuanyi Li , Zlatan Aksamija , Pierre N. Martin , Feng Xiong , Zhun-Yong Ong , Irena Knezevic , Eric Pop

Among the van der Waals heterostructures, graphene/h-BN heterostructure is an appropriate candidate for 2D nanoelectronic devices. In this paper, using non-equilibrium molecular dynamics simulation approach, heat transport in bilayer…

Materials Science · Physics 2022-05-31 M. Sadegh Alborzi , Ali Rajabpour

The scattering transform is a multilayered, wavelet-based transform initially introduced as a model of convolutional neural networks (CNNs) that has played a foundational role in our understanding of these networks' stability and invariance…

The exceptional electronic properties of monoatomic thin graphene sheets triggered numerous original transport concepts, pushing quantum physics into the realm of device technology for electronics, optoelectronics and thermoelectrics. At…

Materials Science · Physics 2016-04-21 M. Vondracek , M. Kucera , L. Fekete , J. Kopecek , J. Lancok , D. Kalita , J. Coraux , V. Bouchiat , J. Honolka

In this work, a modified, lumped element graphene field effect device model is presented. The model is based on the "Top-of-the-barrier" approach which is usually valid only for ballistic graphene nanotransistors. Proper modifications are…

Mesoscale and Nanoscale Physics · Physics 2012-07-19 Giancarlo Vincenzi , G. Deligeorgis , Fabio Coccetti , M. Dragoman , Luca Pierantoni , Davide Mencarelli , R. Plana

This paper explores the electrical and thermal conductivity of complex contact spots on the surface of a half-space. Employing an in-house Fast Boundary Element Method implementation, various complex geometries were studied. Our…

Classical Physics · Physics 2024-08-27 Paul Beguin , Vladislav A. Yastrebov

Graphene supported on a substrate in contact with water underpins a wide range of processes and technologies, yet its wettability remains controversial. Understanding how substrate charges and graphene's properties influence water…

Chemical Physics · Physics 2025-11-11 Yongkang Wang , Yair Litman , Minhaeng Cho , Stephen Cox , Mischa Bonn

Since electrons in a ballistic regime perceive a carbon nanotube or a graphene layer structure as a continuous medium, we can use the study of the quantum dynamics of one electron constrained to a curve or surface to obtain a qualitative…

Mesoscale and Nanoscale Physics · Physics 2021-05-24 J. D. M. de Lima , E. Gomes , F. F. da Silva Filho , F. Moraes , R. Teixeira

Graphene has been reported with record-breaking properties which have opened up huge potential applications. Considerable amount of researches have been devoted to manipulating or modify the properties of graphene to target a more smart…

Materials Science · Physics 2018-03-20 Kang Xia , Haifei Zhan , Yuantong Gu

In this work, we investigate thermoelectric properties of junctions consisting of two partially overlapped graphene sheets coupled to each other in the cross-plane direction. It is shown that because of the weak van-der Waals interactions…

Mesoscale and Nanoscale Physics · Physics 2014-10-07 V. Hung Nguyen , M. Chung Nguyen , Huy-Viet Nguyen , J. Saint-Martin , P. Dollfus

Pathways and structural dynamics of phase transformations impact performance of materials in energy and information storage technologies. Palladium hydride ($\mathrm{PdH}_x$) nanocrystals are an ideal model system for studying…

A non-perturbative model for graphene optical nonlinearity is developed for the study of ultrafast pulse propagation along a monolayer, as in the case of graphene-comprising nanophotonic integrated waveguides. This graphene `hot electron'…

Optics · Physics 2022-03-18 Alexandros Pitilakis , Emmanouil E. Kriezis