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Due to its exceptional electronic and thermal properties, graphene is a key material for bolometry, calorimetry, and photon detection. However, despite graphene's relatively simple electronic structure, the physical processes responsible…

A novel concept of membrane process in thermal-driven system is proposed for water desalination. By means of molecular dynamics simulations, we show fast water transport through graphene galleries at a temperature gradient. Water molecules…

Soft Condensed Matter · Physics 2018-10-29 Bo Chen , Haifeng Jiang , Huidong Liu , Kang Liu , Xiang Liu , Xuejiao Hu

Graphene has exceptional optical, mechanical and electrical properties, making it an emerging material for novel optoelectronics, photonics and for flexible transparent electrode applications. However, the relatively high sheet resistance…

Mesoscale and Nanoscale Physics · Physics 2013-02-06 Guang-Xin Ni , Yi Zheng , Sukang Bae , Chin Yaw Tan , Orhan Kahya , Jing Wu , Byung Hee Hong , Kui Yao , Barbaros Özyilmaz

In this work we analyze the near-field radiative heat transfer (NFRHT) between finite-thickness planar fused silica slabs coated with graphene gratings. We go beyond the effective medium approximation by using an exact Fourier Modal Method…

Applied Physics · Physics 2024-03-14 Minggang Luo , Youssef Jeyar , Brahim Guizal , Junming Zhao , Mauro Antezza

Electrons in a periodic lattice can propagate without scattering for macroscopic distances despite the presence of the non-uniform Coulomb potential due to the nuclei. Such ballistic motion of electrons allows the use of a transverse…

Mesoscale and Nanoscale Physics · Physics 2015-06-12 Thiti Taychatanapat , Kenji Watanabe , Takashi Taniguchi , Pablo Jarillo-Herrero

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

Technologically useful and robust graphene-based interfaces for devices require the introduction of highly selective, stable, and covalently bonded functionalities on the graphene surface, whilst essentially retaining the electronic…

In this research, the ambient cured one part alkali activated material (AAM) containing graphene nanoplatelets (GNPs), fly ash, slag and silica fume has been investigated after high temperature exposure to 200 to 800oC. Their compressive…

Materials Science · Physics 2024-02-22 Nghia Tran , Tuan Nguyen , Jay Black , Tuan Ngo

We report on the fabrication and characterization of an optimized comb-drive actuator design for strain-dependent transport measurements on suspended graphene. We fabricate devices from highly p-doped silicon using deep reactive ion etching…

Applied Physics · Physics 2018-07-23 M. Goldsche , G. J. Verbiest , T. Khodkov , J. Sonntag , N. von den Driesch , D. Buca , C. Stampfer

Graphene exhibits unique material properties and in electromagnetic wave technology, it raises the prospect of devices miniaturized down to the atomic length scale. Here we study split-ring resonator metamaterials made from graphene and we…

Graphene is a 2D material that displays excellent electronic transport properties with prospective applications in many fields. Inducing and controlling magnetism in the graphene layer, for instance by proximity of magnetic materials, may…

Thermal rectification in thickness asymmetric graphene nanoribbons connecting single-layer with multi-layer graphene is investigated by using classical nonequilibrium molecular dynamics. It is reported that the graphene nanoribbons with…

Mesoscale and Nanoscale Physics · Physics 2015-05-30 Wei-Rong Zhong , Wei-Hao Huang , Xi-Rong Deng , Bao-Quan Ai

The exceptional mechanical properties of graphene have made it attractive for nano-mechanical devices and functional composite materials. Two key aspects of graphene's mechanical behavior are its elastic and adhesive properties. These are…

Mesoscale and Nanoscale Physics · Physics 2015-05-19 Scott Scharfenberg , D. Z. Rocklin , Cesar Chialvo , Richard L. Weaver , Paul M. Goldbart , Nadya Mason

Recent studies have shown that graphene-derived materials not only feature outstandingly multifunctional properties, but also act as model materials to implant nanoscale structural engineering insights into their macroscopic performance…

Materials Science · Physics 2013-08-27 Yilun Liu , Zhiping Xu

Ni(OH)2 nanocrystals grown on graphene sheets with various degrees of oxidation are investigated as electrochemical pseudocapacitor materials for potential energy storage applications. Single-crystalline Ni(OH)2 hexagonal nanoplates…

Materials Science · Physics 2010-05-07 Hailiang Wang , Hernan Sanchez Casalongue , Yongye Liang , Hongjie Dai

Interaction between carbon nanomaterials and micellar substrates is studied. A notable observation is the dependence of nano-surface topology on thermodynamic signatures of the carbon nanomaterials e.g., single wall carbon nanotube (SWNT),…

Materials Science · Physics 2015-07-08 Tamoghna Bhattacharyaa , Anjan Kr. Dasgupta

We conducted density functional theory (DFT) and molecular dynamics simulations to explore the mechanical/failure, thermal conductivity and stability, electronic and optical properties of three N-graphdiyne nanomembranes. Our DFT results of…

Computational Physics · Physics 2018-05-14 Bohayra Mortazavi , Meysam Makaremi , Masoud Shahrokhi , Zheyong Fan , Timon Rabczuk

The introduction of graphene-related materials (GRMs) in carbon fibre-reinforced polymers (CFRP) has been proved to enhance their mechanical and electrical properties. However, methodologies to produce the 3-phase materials (multiscale…

Applied Physics · Physics 2020-07-28 Veronica Rodriguez-Garcia , Julio Gomez , Francesco Cristiano , Maria R. Gude

The recent development of nanoscale fillers, such as carbon nanotube, graphene, and nanocellulose, allows the functionality of polymer nanocomposites to be controlled and enhanced. However, conventional synthesis methods of polymer…

We present a comprehensive study of the structural and electronic properties of ultrathin films containing graphene layers synthesized by chemical vapor deposition (CVD) based surface segregation on polycrystalline Ni foils then transferred…