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Graphene nanoribbons (GNRs) are one-dimensional nanostructures predicted to display a rich variety of electronic behaviors. Depending on their structure, GNRs realize metallic and semiconducting electronic structures with band gaps that can…

Mesoscale and Nanoscale Physics · Physics 2013-10-16 Oleg V. Yazyev

Transparent and conductive films (TCFs) are of great technological importance. The high transmittance, electrical conductivity and mechanical strength make single-walled carbon nanotubes (SWCNTs) a good candidate for their raw material.…

The structures and symmetries of single-walled carbon nanotubes (SWNTs) are introduced in detail. The physical properties of SWNTs induced by their symmetries can be described by tensors in mathematical point of view. It is found that there…

Mesoscale and Nanoscale Physics · Physics 2009-09-29 Z. C. Tu , Z. C. Ou-Yang

Graphyne is a porous two-dimensional carbon allotrope of graphene that possesses interesting physical properties, including non-null bandgap. It is composed of carbon hexagonal rings or carbon-carbon bonds connected by acetylenic chains.…

Materials Science · Physics 2025-01-20 Guilherme B. Kanegae , Alexandre F. Fonseca

Energetically the single sheet of graphite (graphene) is more stable than the nanotube. The energy difference between the two systems can be directly related to the strain energy involved in rolling up the graphene sheet to form the…

Materials Science · Physics 2007-05-24 Roby Cherian , Priya Mahadevan

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…

Mesoscale and Nanoscale Physics · Physics 2017-02-21 Daniel Solis , Cristiano F. Woellner , Daiane D. Borges , Douglas S. Galvao

Carbon nitride-based nanostructures have attracted special attention (from theory and experiments) due to their remarkable electromechanical properties. In this work we have investigated the mechanical properties of some graphene-like…

Materials Science · Physics 2016-06-06 J. M. de Sousa , T. Botari , E. Perim , R. A. Bizao , Douglas S. Galvao

Large area graphene sheets grown by chemical vapor deposition can potentially be employed as a transparent electrode in photovoltaics if their sheet resistance can be significantly lowered, without any loss in transparency. Here, we report…

Materials Science · Physics 2015-12-16 Ahmed A. Maarouf , Amal Kasry , Bhupesh Chandra , Glenn J. Martyna

Graphdiyne and graphyne are carbon-based two-dimensional (2D) porous atomic lattices, with outstanding physics and excellent application prospects for advanced technologies, like nanoelectronics and energy storage systems. During the last…

Computational Physics · Physics 2019-02-07 B. Mortazavi , M. Shahrokhi , M. E. Madjet , T. Hussain , X. Zhuang , T. Rabczuk

The evolution of electronic structure of graphene nanoribbons (GNRs) as a function of the number of layers stacked together is investigated using \textit{ab initio} density functional theory (DFT) including interlayer van der Waals…

Materials Science · Physics 2011-10-28 Neerav Kharche , Yu Zhou , Kevin P. O'Brien , Swastik Kar , Saroj K. Nayak

In this study, the analysis of the mechanical response of realistic fullerene-nanotube nanotruss networks with face-centered cubic geometry is performed by using molecular dynamics with reactive potentials. In particular, the mechanical…

Mesoscale and Nanoscale Physics · Physics 2017-07-04 Andrea Pedrielli , Simone Taioli , Giovanni Garberoglio , Nicola Pugno

Short-fiber-reinforced polymer composites are increasingly used in engineering applications and industrial products owing to their unique combination of superior mechanical properties, and relatively easy and low cost manufacturing process.…

Applied Physics · Physics 2017-04-25 Behrouz Arash , Harold S. Park , Timon Rabczuk

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

Graphene-based nanostructures exhibit a vast range of exciting electronic properties that are absent in extended graphene. For example, quantum confinement in carbon nanotubes and armchair graphene nanoribbons (AGNRs) leads to the opening…

Geometric and electronic properties of folded graphene nanoribbons (FGNRs) are investigated by first-principles calculations. These properties are mainly dominated by the competition or cooperation among stacking, curvature and edge…

Computational Physics · Physics 2015-09-15 Shen-Lin Chang , Bi-Ru Wu , Po-Hua Yang , Ming-Fa Lin

Graphene nanoribbons (GNRs) are a family of one-dimensional (1D) materials carved from graphene lattice. GNRs possess high mobility and current carrying capability, sizable bandgap, and versatile electronic properties tailored by the…

Mesoscale and Nanoscale Physics · Physics 2021-10-08 Haomin Wang , Hui Shan Wang , Chuanxu Ma , Lingxiu Chen , Chengxin Jiang , Chen Chen , Xiaoming Xie , An-Ping Li , Xinran Wang

The search for carbon-based materials with tailored dimensionality and properties remains an important topic in materials science, particularly for applications in electronics, photonics, and nanomechanics. Among the emerging platforms in…

Mesoscale and Nanoscale Physics · Physics 2026-03-26 Djardiel da S. Gomes , Alexandre F. Fonseca , Marcelo L. Pereira

The frictional properties of individual carbon nanotubes (CNTs) are studied by sliding an atomic force microscopy tip across and along its principle axis. This direction-dependent frictional behavior is found to correlate strongly with the…

Materials Science · Physics 2015-07-20 Hsiang-Chih Chiu , Beate Ritz , Suenne Kim , Erio Tosatti , Christian Klinke , Elisa Riedo

Short fiber reinforced polymer composites have found extensive industrial and engineering applications owing to their unique combination of low cost, relatively easy processing and superior mechanical properties compared to their parent…

Computational Physics · Physics 2017-04-06 Atiyeh Alsadat Mousavi , Behrouz Arash , Xiaoying Zhuang , Timon Rabczuk

In this work, we report a theoretical coupled study of the structural and phonons properties of bundled single- and double-walled carbon nanotubes (DWNTs), under hydrostatic compression. Our results confirm drastic changes in volume of…

Mesoscale and Nanoscale Physics · Physics 2012-06-21 Acrisio. L. Aguiar , Rodrigo B. Capaz , A. G. Souza Filho , Alfonso San-Miguel