English
Related papers

Related papers: Mechanical Properties of Phosphorene Nanotubes: A …

200 papers

We simulate the twist of carbon nanotubes using atomic molecular dynamic simulations. The ultimate twist angle per unit length and the deformation energy are calculated for nanotubes of different geometries. It is found that the big tube is…

Mesoscale and Nanoscale Physics · Physics 2009-09-21 Zhao Wang , Michel Devel , Bernard Dulmet

Black phosphorus (P) has emerged as a layered semiconductor with a unique crystal structure featuring corrugated atomic layers and strong in-plane anisotropy in its physical properties. Here, we demonstrate that the crystal orientation and…

Mesoscale and Nanoscale Physics · Physics 2016-09-27 Zenghui Wang , Hao Jia , Xu-Qian Zheng , Rui Yang , G. J. Ye , X. H. Chen , Philip X. -L. Feng

Spectral and transport properties of electrons in confined phosphorene systems are investigated in a five hopping parameter tight-binding model, using analytical and numerical techniques. The main emphasis is on the properties of the…

Mesoscale and Nanoscale Physics · Physics 2016-03-23 B. Ostahie , A. Aldea

Few-layered black phosphorus materials recently attract much attention due to its special electronic properties. As a Consequence, the nano-tube from a single-layer black phosphorus has been theoretically built. The corresponding electronic…

Mesoscale and Nanoscale Physics · Physics 2016-06-22 Kun Cai , Jing Wan , Ning Wei , Qinghua Qin

Graphyne is a planar two-dimensional carbon allotrope formed by atoms in sp, sp2, and sp3 hybridized states. Topologically graphyne nanotubes (GNTs) can be considered as cylindrically rolled up graphyne sheets, similarly as carbon nanotubes…

Mesoscale and Nanoscale Physics · Physics 2015-09-30 Jose M. de Sousa , Gustavo Brunetto , Vitor R. Coluci , Douglas S. Galvao

Black phosphorus is a material with an intrinsic anisotropy in electronic and optical properties due to its puckered honeycomb lattice. Optical absorption is different for incident light with linear polarization in the armchair and zigzag…

Mesoscale and Nanoscale Physics · Physics 2022-04-20 Leandro Seixas

We investigate the effect of electron-phonon coupling on low temperature phases in metallic single-wall carbon nanotubes. We obtain low-temperature phase diagrams of armchair and zigzag type nanotubes with screened interactions with a…

Strongly Correlated Electrons · Physics 2018-11-14 Junichi Okamoto , Ludwig Mathey , Wen-Min Huang

By combining density functional theory and nonequilibrium Green's function, we study the electronic and transport properties of monolayer black phosphorus nanoribbons (PNRs). First, we investigate the band-gap of PNRs and its modulation by…

Mesoscale and Nanoscale Physics · Physics 2016-11-25 Qingyun Wu , Lei Shen , Ming Yang , Zhigao Huang , Yuan Ping Feng

We explore the possibility and potential benefit of rolling a Si2BN sheet into single-walled nanotubes (NTs). Using density functional theory (DFT), we consider both structural stability and the impact on the nature of chemical bonding and…

Mesoscale and Nanoscale Physics · Physics 2022-03-16 Deobrat Singh , Vivekanand Shukla , Nabil Khossossi , Per Hyldgaard , Rajeev Ahuja

Systematic engineering of atomic-scale low-dimensional defects in two-dimensional nanomaterials is a promising way to modulate the electronic properties of these nanomaterials. Defects at interfaces such as grain boundaries and line defects…

Materials Science · Physics 2016-01-22 Woosun Jang , Kisung Kang , Aloysius Soon

We theoretically study the magnetoresistance of single wall carbon nanotubes (SWCNTs) in the ballistic transport regime, using a standard tight-binding approach. The main attention is directed to spin-polarized electrical transport in the…

Mesoscale and Nanoscale Physics · Physics 2015-06-25 S. Krompiewski , Gianaurelio Cuniberti

In this paper, we have analysed the electronic and mechanical properties of Nitrogen(N) doped (6,1) SWCNTs based on first-principles and Molecular dynamic (MD) simulation. A schematic N-doping on SWCNT was performed along zigzag(zz) and…

Materials Science · Physics 2021-08-06 Y. T. Singh , P. K. Patra , D. P. Rai

We study the effect of torsional deformations on the electronic properties of single-walled transition metal dichalcogenide (TMD) nanotubes. In particular, considering forty-five select armchair and zigzag TMD nanotubes, we perform…

Materials Science · Physics 2021-09-22 Arpit Bhardwaj , Abhiraj Sharma , Phanish Suryanarayana

We report a detailed study of the vibrational properties of BN single-walled nanotubes and of the BN monolayer. Our results have been obtained from a well-established Tight-Binding model complemented with an electrostatic model to account…

Materials Science · Physics 2009-11-07 Daniel Sanchez-Portal , Eduardo Hernandez

Atomistic simulations are performed to probe the anisotropic deformation in the compressions of face-centred-cubic metallic nanoparticles. In the elastic regime, the compressive load-depth behaviors can be characterized by the classical…

Materials Science · Physics 2018-10-29 Jianjun Bian , Hao Zhang , Xinrui Niu , Gangfeng Wang

The encapsulation of two-dimensional layered materials such as black phosphorus is of paramount importance for their stability in air. However, the encapsulation poses several questions, namely, how it affects, via the weak van der Waals…

Unusual physical properties of single-wall carbon nanotubes have started a search for similar tubular structures of other elements. In this paper, we present a theoretical analysis of single-wall nanotubes of silicon and group III-V…

Materials Science · Physics 2009-11-11 E. Durgun , S. Tongay , S. Ciraci

We employ first-principles calculations based density-functional-theory (DFT) approach to study electronic properties of partially and fully edge-hydrogenated armchair boron-nitrogen-carbon (BNC) nanoribbons (ABNCNRs), with widths between…

Materials Science · Physics 2018-05-09 Naresh Alaal , Nikhil Medhekar , Alok Shukla

Recently, TersoffCG, a coarse grain potential for graphene based on Tersoff potential, has been developed. In this work, we explore this potential, applying it to the case study of a single wall carbon nanotube. We performed a series of…

Mesoscale and Nanoscale Physics · Physics 2018-07-05 Andrea Pedrielli

The Hydrogen and Fluorine planar armchairs graphene nanoribbons (H and F AGNRs), subjected to twist deformation within fixed periodic boundary conditions, eventually morph to a helical conformations are investigated at few tractable points.…

Materials Science · Physics 2019-09-13 Rajesh Thakur , P. K. Ahluwalia , Ashok Kumar , Munish Sharma , Raman Sharma
‹ Prev 1 3 4 5 6 7 10 Next ›