中文
相关论文

相关论文: Scroll configurations of carbon nanoribbons

200 篇论文

How to form carbon nanoscrolls with the non-uniform curvatures is worthy of a detailed investigation. The first-principles method is suitable in studying the combined effects due to the finite-size confinement, the edge-dependent…

介观与纳米尺度物理 · 物理学 2020-08-25 S. L. Chang , C. R. Chiang , S. Y. Lin , M. F. Lin

Carbon nanoribbons (CNRs) are graphene (planar) structures with large aspect ratio. Carbon nanobelts (CNBs) are small graphene nanoribbons rolled up into spiral-like structures, i. e., carbon nanoscrolls (CNSs) with large aspect ratio. In…

介观与纳米尺度物理 · 物理学 2015-05-18 B. V. C. Martins , D. S. Galvão

Carbon nanoscrolls (CNSs) are nanomaterials with geometry resembling graphene layers rolled up into a spiral (papyrus-like) form. Effects of hydrogenation and temperature on the self-scrolling process of two nanoribbons interacting with a…

Carbon nanoscrolls (CNSs) are nanomaterials with geometry resembling graphene layers rolled up into a spiral (papyrus-like) form. Effects of hydrogenation and temperature on the self-scrolling process of two nanoribbons interacting with a…

材料科学 · 物理学 2022-08-02 M. L. Pereira Júnior , L. A. Ribeiro Júnior , D. S. Galvão , J. M. De Sousa

Single-layer and bilayer carbon and hexagonal boron nitride nanoscrolls as well as nanoscrolls made of bilayer graphene/hexagonal boron nitride heterostructure are considered. Structures of stable states of the corresponding nanoscrolls…

The behavior of nanostructures under high strain-rate conditions has been object of interest in recent years. For instance, recent experimental investigations showed that at high velocity impacts carbon nanotubes can unzip resulting into…

Nanoscrolls consist of sheets rolled up into a papyrus-like form. Their open ends produce great radial flexibility, which can be exploited for a large variety of applications, from actuators to hydrogen storage. They have been successfully…

介观与纳米尺度物理 · 物理学 2015-06-02 Eric Perim , Douglas S. Galvao

Nanoscrolls (papyrus-like nanostructures) are very attractive structures for a variety of applications, due to their tunable diameter values and large accessible surface area. They have been successfully synthesized from different…

材料科学 · 物理学 2019-06-05 Eric Perim , Douglas S. Galvao

Carbon nanoscrolls (CNSs) are structures formed by rolling up graphene layers into a papyruslike shape. CNNs have been experimentally produced by different groups. Boron nitride nanoscrolls (BNNSs) are similar structures using boron nitride…

材料科学 · 物理学 2014-02-28 Eric Perim , Douglas S. Galvao

A carbon nanotube is an ideal object for understanding the atomic scale aspects of interface interaction and friction. Using molecular statics and dynamics methods different types of motion of nanotubes on a graphite surface are…

凝聚态物理 · 物理学 2009-10-31 A. Buldum , Jian Ping Lu

The synthesis of single-wall carbon nanotubes (SWCNTs) of desired diameters and chiralities is critical to the design of nanoscale electronic devices with desired properties.1-6 The existing methods are based on self-assembly, 7-16…

材料科学 · 物理学 2009-11-13 Anton Sidorov , David Mudd , Gamini Sumanasekera , P. J. Ouseph , C. S. Jayanthi , Shi-Yu Wu*

Graphynes and graphdiynes are carbon 2D allotrope structures presenting both sp2 and sp hybridized atoms. These materials have been theoretically predicted but due to intrinsic difficulties in their synthesis, only recently some of these…

介观与纳米尺度物理 · 物理学 2017-02-21 Daniel Solis , Cristiano F. Woellner , Daiane D. Borges , Douglas S. Galvao

Free-standing carbon nanomembranes (CNM) with molecular thickness and macroscopic size are fascinating objects both for fundamental reasons and for applications in nanotechnology. Although being made from simple and identical precursors…

材料科学 · 物理学 2014-09-17 A. Mrugalla , J. Schnack

Graphene-based nanofolds (GNFs) are edge-connected 2D stacked monolayers originated from single-layer graphene. Graphene-based nanoscrolls (GNSs) are nanomaterials with geometry resembling graphene layers rolled up into a spiral…

材料科学 · 物理学 2021-09-23 Marcelo Lopes Pereira Junior , Luiz Antonio Ribeiro Junior

In this paper, we investigate, by molecular dynamics simulations, the mechanical properties of a new carbon nanostructure, termed graphene nanochain, constructed by sewing up pristine or twisted graphene nanoribbons (GNRs) and interlocking…

材料科学 · 物理学 2013-11-26 Yongping Zheng , Lanqing Xu , Zheyong Fan , Ning Wei , Zhigao Huang

It is shown using the method of molecular dynamics that the motion of carbon nanoparticles (rectangular graphene flakes, spherical fullerenes of size $L<10$ nm) on the surface of a thermalized graphene sheet lying on a flat substrate can be…

介观与纳米尺度物理 · 物理学 2022-11-30 Alexander V. Savin

In this work, we proposed and investigated the structural and electronic properties of boron-based nanoscrolls (armchair and zigzag) using the DFTB+ method. We also investigated the electroactuation process (injecting and removing charges).…

介观与纳米尺度物理 · 物理学 2024-05-03 Guilherme S. L. Fabris , Douglas S. Galvão , Ricardo Paupitz

Crystalline sheets (e.g., graphene and transition metal dichalcogenides) liberated from a substrate are a paradigm for materials at criticality because flexural phonons can fluctuate into the third dimension. Although studies of static…

材料科学 · 物理学 2024-01-10 Paul Z. Hanakata , Sourav S. Bhabesh , David Yllanes , David R. Nelson , Mark J. Bowick

Nanoscrolls, radial superlattices formed by rolling up a nanomembrane, exhibit distinct electronic and magneto-transport properties compared to their flat counterparts. In this study, we theoretically demonstrate that the conductance can be…

材料科学 · 物理学 2025-01-23 Ying-Je Lee , Yu-An Cheng , Yu-Jie Zhong , Ion Cosma Fulga , Ching-Hao Chang

The behavior of nanostructures under high strain-rate conditions has been object of theoretical and experimental investigations in recent years. For instance, it has been shown that carbon and boron nitride nanotubes can be unzipped into…

‹ 上一页 1 2 3 10 下一页 ›