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The assembly of filamentous bundles with controlled diameters is common in biological systems and desirable for the development of nanomaterials. We discuss dynamical simulations and free energy calculations on patchy spheres with chiral…

Soft Condensed Matter · Physics 2015-05-18 Yasheng Yang , Robert B. Meyer , Michael F. Hagan

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

Phosphorene has been rediscovered recently, establishing itself as one of the most promising two dimensional group-V elemental monolayers with direct band gap, high carrier mobility, and anisotropic electronic properties. In this letter,…

Materials Science · Physics 2016-03-24 Gaoxue Wang , G. C. Loh , Ravindra Pandey , Shashi P. Karna

Using molecular dynamics (MD) simulations, we explore the structural stability and mechanical integrity of phosphorene nanotubes (PNTs), where the intrinsic strain in the tubular PNT structure plays an important role. It is proposed that…

Materials Science · Physics 2016-05-04 Xiangbiao Liao , Feng Hao , Hang Xiao , Xi Chen

Electron mobility due to electron-phonon interaction is investigated for fully fluorinated/hydrogenated zig-zag carbon nanotubes containing one-dimensional alternating chains of carbon atoms with $\pi$-bonds. The behavior of mobility…

Mesoscale and Nanoscale Physics · Physics 2025-12-03 V. L. Katkov , V. A. Osipov

Chemical vapor deposition synthesis of single-walled carbon nanotubes experiments, using Fe catalyst, and alternating methane and carbon monoxide as carbon feedstocks, lead to the reversible formation of junctions between tubes of different…

Edge-induced gap states in finite phosphorene layers are examined using analytical models and density functional theory. The nature of such gap states depends on the direction of the cut. Armchair nanoribbons are insulating, whereas…

Mesoscale and Nanoscale Physics · Physics 2015-06-19 A. Carvalho , A. S. Rodin , A. H. Castro Neto

Using the Tight Binding (TB) parameters extracted from Density Functional Theory (DFT) and Recursive Green's Function method, it is shown that skewed-zigzag black phosphorous (phosphorene) nanoribbons obtain large and tuneable bandgap in…

Mesoscale and Nanoscale Physics · Physics 2019-01-16 Sima Shekarforoush , Farhad Khoeini , Daryoush Shiri

Self-assembly is one of the prevalent strategies used by living systems to fabricate ensembles of precision nanometer-scale structures and devices. The push for analogous approaches to create synthetic nanomaterials has led to the…

The relaxation of twist in elastic filaments often drives conformational changes. We explore this paradigm using all-atom computations and report the formation of novel supercoiled shapes in individual carbon nanotubes (CNTs). Decreasing…

Mesoscale and Nanoscale Physics · Physics 2014-10-28 Alireza Shahabi , Moneesh Upmanyu

Despite tremendous progress in the research on self-assembled nanotechnological building blocks such as macromolecules, nanowires, and two-dimensional materials, synthetic self-assembly methods bridging nanoscopic to macroscopic dimensions…

A recent experimental study showed that an induced folded flap of graphene can spontaneously drive itself its tearing and peeling off a substrate, thus producing long, micrometer sized, regular trapezoidal-shaped folded graphene…

Materials Science · Physics 2018-08-28 Alexandre F. Fonseca , Douglas S. Galvao

Interplay between structure and function in atomically thin crystalline nanoribbons is sensitive to their conformations yet the ability to prescribe them is a formidable challenge. Here, we report a novel paradigm for controlled nucleation…

Materials Science · Physics 2014-10-02 Alireza Shahabi , Hailong Wang , Moneesh Upmanyu

Fabrication of chiral assemblies of plasmonic nanoparticles is a highly attractive and challenging task with promising applications in light emission, detection, and sensing. So far, primarily organic chiral templates have been used for…

In this work we investigated the encapsulation of C$_20$ and C$_30$ fullerenes into semiconducting carbon nanotubes to study the possibility of bandgap engineering in such systems. Classical molecular dynamics simulations coupled to…

Mesoscale and Nanoscale Physics · Physics 2016-08-16 K. S. Troche , V. R. Coluci , R. Rurali , D. S. Galvão

The ability to control the morphology of the nanotube deposit formed during the evaporation of a sessile droplet on a substrate is of theoretical and practical interest. Such deposits are required for various applications including…

Soft Condensed Matter · Physics 2025-07-15 Konstantin S. Kolegov , Irina V. Vodolazskaya , Andrei V. Eserkepov , Ludia T. Khusainova

The unique topology and physics of chiral superlattices make their self-assembly from nanoparticles a holy grail for (meta)materials. Here we show that tetrahedral gold nanoparticles can spontaneously transform from a perovskite-like…

In recent years, single element two-dimensional atom crystal materials have aroused extensive interest in many applications. Blue phosphorus, successfully synthesized on Au substrate by molecular beam epitaxy not long ago, shows unusual…

Materials Science · Physics 2018-10-16 Yipeng An , Songqiang Sun , Mengjun Zhang , Jutao Jiao , Dapeng Wu , Tianxing Wang , Kun Wang

We investigate the electronic structure and chemical activity of rippled phosphorene induced by large compressive strains via first-principles calculation. It is found that phosphorene is extraordinarily bendable, enabling the accommodation…

Materials Science · Physics 2016-10-27 Andrey A. Kistanov , Yongqing Cai , Kun Zhou , Sergey V. Dmitriev , Yong-Wei Zhang

Research in the field of nanoplasmonic metamaterials is moving towards more and more interesting and, potentially useful, applications. The present work tackles the problem of nanoparticle self-assembly at an electrochemical solid-liquid…

Chemical Physics · Physics 2018-10-12 Cristian Zagar , Ryan-Rys Griffith , Rudolf Podgornik , Alexei A. Kornyshev