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Me-graphene (MeG) is a novel two-dimensional (2D) carbon allotrope. Due to its attractive electronic and structural properties, it is important to study the mechanical behavior of MeG in its monolayer and nanotube topologies. In this work,…

The study of the mechanical properties of nanostructured systems has gained importance in theoretical and experimental research in recent years. Carbon nanotubes (CNTs) are one of the strongest nanomaterials found in nature, with Young's…

The novel carbon allotrope with particular and unique 2D arrangement of carbon atoms similar to a Cairo pentagonal tiling, with interplay of $sp^{3}$ and $sp^{2}$ hybridized carbon atoms is called of Penta-graphene (PG). Previous…

Materials Science · Physics 2021-07-07 W. H. S. Brandão , A. L. Aguiar , J. M. De Sousa

Carbon-based tubular materials have sparked a great interest for future electronics and optoelectronics device applications. In this work, we computationally studied the mechanical properties of nanotubes generated from popgraphene…

Materials Science · Physics 2020-10-08 W. H. S. Brandão , A. L. Aguiar , L. A. Ribeiro , D. S. Galvão , J. M. De Sousa

Recently, a new 2D carbon allotrope structure, named phagraphene (PG), was proposed. PG has a densely array of penta-hexa-hepta-graphene carbon rings. PG was shown to present low and anisotropic thermal conductivity and it is believed that…

A quasi-2D semiconductor carbon allotrope called tetrahexcarbon, also named tetragraphene, was recently proposed featuring an unusual structure combining squared and hexagonal rings. Mechanical and electronic properties of tetragraphene…

A novel two-dimensional carbon allotrope called PCF-graphene has been theoretically proposed. The development of its nanostructured morphology has arrangement a non-aromatic molecule cyclooctatetraene as a precursor (poly-cyclooctatetraene…

Computational Physics · Physics 2023-10-04 Reza Kalami , Seyed Ahmad Ketabi , José M. De Sousa

Studies aimed at designing new allotropic forms of carbon have received much attention. Recently, a new 2D graphene-like allotrope named Pentahexoctite was theoretically proposed. Pentahexoctite has a metallic signature, and its structure…

Materials Science · Physics 2022-09-14 W. H. S. Brandão , A. L. Aguiar , L. A. Ribeiro Júnior , D. S. Galvão , J. M. De Sousa

Carbon-based materials have attracted great attention due to their exceptional structural diversity and wide-ranging applications. Recently, a new two-dimensional carbon allotrope, named pentagraphene (PG), was proposed. In this study, we…

Membranes of carbon allotropes comprised solely of densely packed pentagonal rings, known as pentagraphene, exhibit negative Poisson's ratio (auxetic behavior) and a bandgap of $3.2$ eV. In this work, we investigated the structural…

Materials Science · Physics 2019-11-28 J. M. De Sousa , A. L. Aguiar , E. C. Girão , Alexandre F. Fonseca , V. R. Coluci , D. S. Galvão

Two-dimensional (2D) carbon-based materials have attracted considerable interest due to their diverse structural and electronic properties, making them ideal for next-generation flat electronics. Among these materials, metallic-like porous…

Penta-graphene is the name given to a novel puckered monolayer of carbon atoms tightly packed into an inerratic pentagonal network, theoretically, which exhibits excellent thermal and mechanical stability and can be rolled into…

Materials Science · Physics 2017-09-26 Mingwei Chen , Haifei Zhan , Yinbo Zhu , Hengan Wu , Yuantong Gu

Recently, a new two-dimensional carbon allotrope called pentagraphene (PG) was proposed. PG exhibits mechanical and electronic interesting properties, including typical band gap values of semiconducting materials. PG has a Cairo-tiling-like…

Mesoscale and Nanoscale Physics · Physics 2017-03-13 J. M. de Sousa , A. L. Aguiar , E. C. Girao , Alexandre F. Fonseca , A. G. Souza Filho , Douglas S. Galvao

Popgraphene (PopG) is a new 2D planar carbon allotrope which is composed of $5-8-5$ carbon rings. PopG is intrinsically metallic and possesses excellent thermal and mechanical stability. In this work, we report a detailed study of the…

Tetra-Penta-Deca-Hexa-graphene (TPDH) is a new 2D carbon allotrope with attractive electronic and mechanical properties. It is composed of tetragonal, pentagonal, and hexagonal carbon rings. When TPDH-graphene is sliced into…

Materials Science · Physics 2024-07-01 Juan Gomez Quispe , Douglas Soares Galvao , Pedro Alves da Silva Autreto

We have investigated through fully atomistic reactive molecular dynamics and DFT simulations, the mechanical properties and fracture dynamics of novamene, a new 3D carbon allotrope structure recently proposed. Our results showed that…

Materials Science · Physics 2018-04-20 Eliezer F. Oliveira , Pedro A. S. Autreto , Cristiano F. Woellner , Douglas S. Galvao

We report results of theoretical studies on the elastic properties of single-wall nanotubes of the following compositions: C, BN, ${BC}_3$, ${BC}_2{N}$ and ${C}_3{N}_4$. These studies have been carried out using a total energy,…

Materials Science · Physics 2009-10-31 E. Hernandez , C. Goze , P. Bernier , A. Rubio

Pentadiamond is a recently proposed new carbon allotrope consisting of a network of pentagonal rings where both sp$^2$ and sp$^3$ hybridization are present. In this work we investigated the mechanical and electronic properties, as well as,…

We present a comprehensive first-principles investigation of a novel carbon allotrope characterized by quasi-tetragonal atomic motifs and quasi-two-dimensional structural behavior. Structural analysis reveals an open framework composed of…

Phagraphene is a novel 2D carbon allotrope with interesting electronic properties which has been recently theoretically proposed. Phagraphene is similar to a defective graphene structure with an arrangement of pentagonal, heptagonal and…

Materials Science · Physics 2017-04-07 Luiz Felipe C. Pereira , Bohayra Mortazavi , Meysam Makaremi , Timon Rabczuk
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