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Fullerene peapods, that is carbon nanotubes encapsulating fullerene molecules, can offer enhanced functionality with respect to empty nanotubes. However, the present incomplete understanding of how a nanotube is affected by entrapped…

Mesoscale and Nanoscale Physics · Physics 2010-09-08 Pawel Utko , Raffaello Ferone , Ilya V. Krive , Robert I. Shekhter , Mats Jonson , Marc Monthioux , Laure Noé , Jesper Nygård

Buckminsterfullerene compounds exibit remarkable physics at low temperatures, e.g. high temperature superconductivity in alkali-fullerenes, and ferromagnetism in TDAE -C60. Here we review recent theoretical studies of electron correlations…

Strongly Correlated Electrons · Physics 2008-02-03 Assa Auerbach

We study the interplay between charge doping and intermolecular distance in the polymerization of C60 fullerene chains by means of density functional theory (DFT)-based first principle calculations. The potential energy surface analysis…

Chemical Physics · Physics 2015-03-19 Roberta Poloni , Alfonso San Miguel , Maria Victoria Fernandez-Serra

In this work an electron radiation detector microdevices were fabricated and characterized. The devices consisted of a conductive electrospun mat made of polycaprolactone loaded with multiwalled carbon nanotubes and fullerene C60 deposited…

Using spin density functional theory we study the electronic and magnetic properties of atomically thin, suspended chains containing silver and oxygen atoms in an alternating sequence. Chains longer than 4 atoms develop a half-metallic…

Mesoscale and Nanoscale Physics · Physics 2009-11-13 Mikkel Strange , Kristian S. Thygesen , James P. Sethna , Karsten W. Jacobsen

Using molecular dynamics simulation, we investigate transport properties of a classical two-dimensional electron system confined in a microchannel with a narrow constriction. As a function of the confinement strength of the constriction,…

Mesoscale and Nanoscale Physics · Physics 2012-10-18 Moto Araki , Hisao Hayakawa

As the periodicity in crystalline materials creates the optimal condition for electronic delocalization, one might expect that in partially crystalline conjugated polymers delocalization is impeded by intergrain transport. However, for the…

Materials Science · Physics 2009-11-10 H. C. F. Martens , H. B. Brom

Thermoelectric properties of a C60 molecular transistor are studied using Green function formalism in linear response regime. A tight-binding model is used to investigate the effect of the dimerization and coupling geometry on the…

Mesoscale and Nanoscale Physics · Physics 2013-07-04 M. Bagheri Tagani , Z. Golsanamlou , S. Izadi , H. Rahimpour Soleimani

We investigate charge transport in C$_{60}$-based single-molecule junctions with graphene electrodes employing a combination of density functional theory (DFT) electronic structure calculations and Landauer transport theory. In particular,…

Mesoscale and Nanoscale Physics · Physics 2017-01-12 Susanne Leitherer , Pedro B. Coto , Konrad Ullmann , Heiko B. Weber , Michael Thoss

Alkali-doped fullerides exhibit a wealth of unusual phases that remain controversial by nature. Here we report a cryogenic scanning tunneling microscopy study of the sub-molecular structural and electronic properties of expanded fullerene…

Superconductivity · Physics 2020-02-26 Sha Han , Meng-Xue Guan , Can-Li Song , Yi-Lin Wang , Ming-Qiang Ren , Sheng Meng , Xu-Cun Ma , Qi-Kun Xue

Recent experimental reports on the realizations of two-dimensional (2D) networks of the C60-based fullerenes with anisotropic and nanoporous lattices represent a significant advance, and create exciting prospects for the development of a…

Materials Science · Physics 2023-07-13 Bohayra Mortazavi

Control of transport processes in composite microstructures is critical to the development of high performance functional materials for a variety of energy storage applications. The fundamental process of conduction and its control through…

Soft Condensed Matter · Physics 2014-11-03 Kyle C. Smith , Timothy S. Fisher

Magnetism in carbon nanostructures is of high scientific interest, which could lead to novel magnetic materials. The magnetic properties of symmetrical and asymmetrical sized small fullerene dimers have been investigated using spin…

Materials Science · Physics 2020-06-04 Sandeep Kaur , Amrish Sharma , Hitesh Sharma , Isha Mudahar

Monoatomic chains of molybdenum encapsulated in single walled carbon nanotubes of different chiralities are investigated using density functional theory. We determine the optimal size of the carbon nanotube for encapsulating a single atomic…

Mesoscale and Nanoscale Physics · Physics 2015-05-27 A. García-Fuente , V. M. García-Suárez , J. Ferrer , A. Vega

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…

Atomic Physics · Physics 2009-11-11 M. Ya. Amusia , A. S. Baltenkov

For field-effect-doped fullerenes it was reported that the superconducting transition temperature Tc is markedly larger for C60.2CHX_3 (X=Cl, Br) crystals, than for pure C60. Initially this was explained by the expansion of the volume per…

Superconductivity · Physics 2009-11-07 Erik Koch , Olle Gunnarsson

The trivalent alkali fullerides A$_3$C$_{60}$, where C$_{60}$ are a well established family of molecular superconductors. The electron pairing has s-wave symmetry and is due to standard electron-phonon coupling, in particular by Jahn-Teller…

Superconductivity · Physics 2009-06-24 M. Capone , M. Fabrizio , C. Castellani , E. Tosatti

We develop a theory for density, disorder, and temperature dependent electrical conductivity of bilayer graphene in the presence of long-range charged impurity scattering as well as an additional short-range disorder of independent origin,…

Mesoscale and Nanoscale Physics · Physics 2010-04-21 S. Das Sarma , E. H. Hwang , E. Rossi

We study the electron-phonon coupling in the C60 fullerene within the first-principles GW approach, focusing on the lowest unoccupied t1u three-fold electronic state which is relevant for the superconducting transition in electron doped…

Materials Science · Physics 2015-05-30 Carina Faber , Jonathan Laflamme Janssen , Michel Côté , E. Runge , X. Blase

We review the recent theoretical treatment of fullerenes as pi-conjugated systems. Polaronic properties due to the Jahn-Teller type effects are mainly discussed. (1) A Su-Schrieffer-Heeger type electron-phonon model is applied to…

Condensed Matter · Physics 2008-11-26 Kikuo Harigaya