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Molecular Mechanics describes molecules as particle configurations interacting via classical potentials. These {\it configurational energies} usually consist of the sum of different phenomenological terms which are tailored to the…

材料科学 · 物理学 2017-01-11 Manuel Friedrich , Paolo Piovano , Ulisse Stefanelli

The Buckminsterfullerene is an inorganic molecule consisting of 60 carbon atoms in the shape of a soccer ball. It was used in [Juhas et al., Nature 2006] to showcase algorithms that find the correct shape of a protein from limited data…

最优化与控制 · 数学 2024-10-23 Leo Liberti

Since the discovery of the fullerene C60, many very interesting structures have been proposed, such as Ti8C12, Au20, Au32, Au42, TM@Sin, Eu@Si20, B80, and B_{40}^{-/0}. Here, an exceptionally stable hollow cage containing 20 scandiums and…

材料科学 · 物理学 2016-06-08 Jing Wang , Hong-Man Ma , Ying Liu

Buckminsterfullerene, C$_{60}$, has not only a beautiful truncated icosahedral (soccerball) shape, but simple H\"uckel calculations predict a three-fold degenerate lowest unoccupied molecular orbital (LUMO) which can accomodate up to six…

Correctness of the model representing the fullerene shell C60 as a conducting sphere has been analyzed. The static and dynamical polarizabilities of the molecule C60 have been calculated on the basis of experimental data on the…

原子物理 · 物理学 2009-11-11 M. Ya. Amusia , A. S. Baltenkov

The discovery of the C60 fullerene opened new horizons to design carbon nanostructures with targeted electronic structure as well as transport and optical properties. For example, endohedral 12C60 molecules were proposed as candidates for…

原子物理 · 物理学 2026-03-04 Alexander Petrov , Anna Linnik , Jacek Klos , Eite Tiesinga , Svetlana Kotochigova

We have explored new possible phases of 3D C60-based fullerites using semiempirical potentials and ab-initio density functional methods. We have found three closely related structures - two body centered orthorhombic and one body centered…

材料科学 · 物理学 2009-10-31 E. Burgos , E. Halac , Ruben Weht , H. Bonadeo , Emilio Artacho , Pablo Ordejon

The remarkable physical properties of buckminsterfullerene, C$_{60}$, have attracted intense research activity since its original discovery. Total quantum state resolved measurements of isolated C$_{60}$ molecules have been of particularly…

化学物理 · 物理学 2019-03-06 P. Bryan Changala , Marissa L. Weichman , Kevin F. Lee , Martin E. Fermann , Jun Ye

We study the motion of C60 fullerene molecules (buckyballs) and short-length carbon nanotubes on graphene nanoribbons. We demonstrate that the nanoribbon edge creates an effective potential that keeps the carbon structures on the surface.…

介观与纳米尺度物理 · 物理学 2012-06-05 Alexander V. Savin , Yuri S. Kivshar

We show that C$_{60}$ fullerene molecules can serve as promising building blocks in the construction of versatile crystal structures with unique symmetries using first-principles calculations. These phases include quasi-2D layered…

介观与纳米尺度物理 · 物理学 2025-04-03 Darius Kayley , Bo Peng

Blends of polymer and C$_{60}$-derived molecules are in the spotlight in recent years for application in organic photovoltaics, forming what is known as bulk-heterojunction active layers. The character of the heterojunction is determinant,…

材料科学 · 物理学 2018-05-29 Rodrigo Ramos , Marília J. Caldas

We extend the Su-Schrieffer-Heeger model of polyacetylene to C_{60} and C_{70} molecules, and solve numerically. The calculations of the undoped systems agree well with the known results. When the system (C_{60} or C_{70}) is doped with one…

凝聚态物理 · 物理学 2007-05-23 Kikuo Harigaya

Molecular structures appear to be natural candidates for a quantum technology: individual atoms can support quantum superpositions for long periods, and such atoms can in principle be embedded in a permanent molecular scaffolding to form an…

Several dimerization products of fullerene C60 are presented and thoroughly characterized with a quantum chemical DFT model augmented by dispersion. We reanalyze and expand significantly the number of known dimers from 12 to 41. Many of the…

The polymer dynamics of homogeneous C$_{60}$-polystyrene mixtures in the molten state are studied via molecular simulations using two interconnected levels of representation for polystyrene nanocomposites: (a) A coarse-grained…

软凝聚态物质 · 物理学 2014-01-20 Georgios G. Vogiatzis , Doros N. Theodorou

We derive a model for the highest occupied molecular orbital band of a C60 crystal which includes on-site electron-electron interactions. The form of the interactions are based on the icosahedral symmetry of the C60 molecule together with a…

超导电性 · 物理学 2009-11-07 M. Granath , S. Ostlund

Exploiting the symmetry of the regular icosahedron, Peter Doyle and Curt McMullen constructed a solution to the quintic equation. Their algorithm relied on the dynamics of a certain icosahedral equivariant map for which the icosahedron's…

动力系统 · 数学 2017-01-03 Scott Crass

We report classical and tight-binding molecular dynamics simulations of the C$_{60}$ fullerene and cubane molecular crystal in order to investigate intermolecular dynamics and polymerization processes. Our results show that, for 200 K and…

材料科学 · 物理学 2009-03-19 Vitor R. Coluci , Fernando Sato , Scheila F. Braga , Munir S. Skaf , Douglas S. Galvao

Tight binding molecular dynamics simulations, with a non orthogonal basis set, are performed to study the fragmentation of carbon fullerenes doped with up to six silicon atoms. Both substitutional and adsorbed cases are considered. The…

材料科学 · 物理学 2009-11-07 Chu-Chun Fu , Javier Fava , Ruben Weht , M. Weissmann

Large-scale practical applications of fullerene (C60) in nanodevices could be significantly facilitated if the commercially-available micrometer-scale raw C60 powder were further processed into a one-dimensional (1D) nanowire-related…

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