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The matrix elements of the deformation potential of C$_{70}$ are calculated by means of a simple, yet accurate solution of the electron-phonon coupling problem in fullerenes, based on a parametrization of the ground state electronic density…

Condensed Matter · Physics 2009-10-31 D. Provasi , N. Breda , R. A. Broglia , G. Colo` , H. E. Roman , G. Onida

Recent experiments on electron scattering through molecular films have shown that chiral molecules can be efficient sources of polarized electrons even in the absence of heavy nuclei as source of a strong spin-orbit interaction. We show…

Mesoscale and Nanoscale Physics · Physics 2015-06-04 Ernesto Medina , Floralba López , Mark Ratner , Vladimiro Mujica

Although fullerenes have long been hypothesized to occur in interstellar environments, their actual unambiguous spectroscopic identification is of more recent date. C60, C70 and C60+ now constitute the largest molecular species individually…

Chemical Physics · Physics 2019-11-26 Julianna Palotás , Jonathan Martens , Giel Berden , Jos Oomens

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,…

Materials Science · Physics 2018-05-29 Rodrigo Ramos , Marília J. Caldas

The $10$ GHz microwave conductivity, $\sigma(T)$ and high field, $222$ GHz electron spin resonance (HF-ESR) of Li$_4$C$_{60}$ fulleride is measured in a wide temperature range. We suggest that the majority of ESR active sites and at least…

Strongly Correlated Electrons · Physics 2016-05-09 D. Quintavalle , B. G. Márkus , A. Jánossy , F. Simon , G. Klupp , M. A. Győri , K. Kamarás , G. Magnani , D. Pontiroli , M. Riccò

Time-dependent measurements of both power conversion efficiency and ultraviolet-visible absorption spectroscopy have been observed for solar cell blends containing the polymer poly(3-hexylthiophene-2,5-diyl) (P3HT) with two different…

A single-walled carbon nanotube presents a seamless cylindrical graphene surface and is thus an ideal adsorption substrate for investigating the physics of atoms and molecules in two dimensions and approaching the one-dimensional limit.…

Mesoscale and Nanoscale Physics · Physics 2015-05-20 Boris Dzyubenko , Hao-Chun Lee , Oscar E. Vilches , David H. Cobden

The conductance of C60 on Cu(100) is investigated with a low-temperature scanning tunneling microscope. At the transition from tunneling to the contact regime the conductance of C60 adsorbed with a pentagon-hexagon bond rises rapidly to…

Materials Science · Physics 2011-12-12 N. Neel , J. Kroger , L. Limot , T. Frederiksen , M. Brandbyge , R. Berndt

We study {{\rm C}$_{60}$} with the use of Thomas-Fermi theory. A spherical shell model is invoked to treat the nuclear potential, where the nuclear and core charges are smeared out into a shell of constant surface charge density. The…

chem-ph · Physics 2009-10-28 Dennis P. Clougherty , Xiang Zhu

Fullerene coalescence experimentally found in fullerene-embedded single-wall nanotubes under electron-beam irradiation or heat treatment is simulated by minimizing the classical action for many atom systems. The dynamical trajectory for…

Materials Science · Physics 2009-11-07 Yong-Hyun Kim , In-Ho Lee , K. J. Chang , Sangsan Lee

It is well known since 2010 that fullerene C60 is widespread through the interstellar space. Also, it is well known that graphene is a source material for synthesizing fullerene. Here, we simply assume the occurrence of graphene in space.…

Astrophysics of Galaxies · Physics 2020-08-03 Norio Ota , Aigen Li , Laszlo Nemes , Masaaki Otsuka

In this work, we introduce models for deriving lower limits for the key parameters doping efficiency, charge carrier concentration, and charge carrier mobility from conductivity data of doped organic semiconductors. The models are applied…

Materials Science · Physics 2015-10-28 Torben Menke , Debdutta Ray , Hans Kleemann , Karl Leo , Moritz Riede

The adsorption of $^4$He inside and outside a single fullerene C$_{60}$ is studied. A physisorption potential is proposed. The energetics and structural features of C$_{60}$-$^4$He$_N$ clusters are investigated. Particular attention is paid…

Soft Condensed Matter · Physics 2016-08-16 Leszek Szybisz , Ignacio Urrutia

Detections of C60 and C70 fullerenes in planetary nebulae (PNe) of the Magellanic Clouds and of our own Galaxy have raised the idea that other forms of carbon such as hydrogenated fullerenes (fulleranes like C60H36 and C60H18), buckyonions,…

Solar and Stellar Astrophysics · Physics 2016-04-06 J. J. Díaz-Luis , D. A. García-Hernández , A. Manchado , F. Cataldo

The excited short-lived volume-localized electron quantum levels (VLELs) existent due to Coulomb potential well inside positive ion are analytically investigated in the paper using a simplified spherical fullerene model. Hence, those…

Mesoscale and Nanoscale Physics · Physics 2018-06-20 R. V. Arutyunyan , A. D. Vasiliev

The optical excitations in C$_{60}$ and higher fullerenes, including isomers of C$_{76}$, C$_{78}$, and C$_{84}$, are theoretically investigated. We use a tight binding model with long-range Coulomb interactions, treated by the Hartree-Fock…

Condensed Matter · Physics 2007-05-23 Kikuo Harigaya

We investigate the vibrational stability and the electronic structure of the proposed icosahedral fullerene-like cage structure of B80 [Szwacki, Sadrzadeh, and Yakobson, Phys. Rev. Lett. {\bf 98}, 166804 (2007)] by an all electron density…

Materials Science · Physics 2009-11-13 Tunna Baruah , Mark R. Pederson , Rajendra R. Zope

The metal-semiconductor transition of peanut-shaped fullerene (C$_{60}$) polymers is clarified by considering the electron-phonon coupling in the uneven structure of the polymers. We established a theory that accounts for the transition…

Mesoscale and Nanoscale Physics · Physics 2015-05-27 Shota Ono , Hiroyuki Shima

The static dipole polarizability of metastable states in the kaonic helium atoms is studied. We use the complex coordinate rotation method to properly account for the resonant nature of the states. Our calculations show that some of the…

Atomic Physics · Physics 2024-08-30 D. T. Aznabayev , A. K. Bekbaev , V. I. Korobov

We experimentally observe a counterpropagating dipole-mode vector soliton in a photorefractive SBN:60Ce crystal. We investigate the transient formation dynamics and show that the formation process differs significantly from the…

Pattern Formation and Solitons · Physics 2009-11-11 Jochen Schroeder , Philip Jander , Cornelia Denz , Tobias Richter , Kristian Motzek , Friedemann Kaiser
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