English
Related papers

Related papers: First-Principles Study on Electron-Conduction Prop…

200 papers

Electronic conduction in conjugated polymers is of emerging technological interest for high-performance optoelectronic and thermoelectric devices. A completely new aspect and understanding of the conduction mechanism on conducting polymers…

Materials Science · Physics 2015-08-18 Asli Ugur , Ferhat Katmis , Mingda Li , Lijun Wu , Yimei Zhu , Kripa K. Varanasi , Karen K. Gleason

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

Superconducting behavior even under harsh ambient conditions is expected to occur in La@C(60) if it could be isolated from the primary metallofullerene soot when functionalized by CF(3) radicals. We use ab initio density functional theory…

Materials Science · Physics 2017-08-02 Jie Guan , David Tomanek

Dimer C60 solids are monoclinic crystals with molecular longer axis aligned along the c-axis. A simple model based on atom-atom potential used to calculate various bulk, structural and thermodynamic properties of this fullerite, has also…

Materials Science · Physics 2009-10-31 Narinder Kaur , Navdeep Bajwa , K. Dharamvir , V. K. Jindal

Although C$_{60}$ is a molecular crystal with a bandgap E$_g$ of ~2.5 eV, we show that E$_g$ is strongly affected by injected charge. In sharp contrast to the Coulomb blockade typical of quantum dots, E$_g$ is {\it reduced} by the Coulomb…

Materials Science · Physics 2009-11-10 Z. H. Lu , C. C. Lo , C. J. Huang , M. W. C. Dharma-wardana , Marek Z. Zgierski

Building upon traditional quantum chemistry calculations, we have implemented an {\em ab-initio} method to study the electrical transport in nanocontacts. We illustrate our technique calculating the conductance of C$_{60}$ molecules…

Mesoscale and Nanoscale Physics · Physics 2009-11-07 J. J. Palacios , A. J. Perez-Jimenez , E. Louis , J. A. Verges

We have measured electron transport in small bundles of identical conducting Molybdenum Selenide nanowires where the number of weakly interacting one-dimensional chains ranges from 1-300. The linear conductance and current in these…

Mesoscale and Nanoscale Physics · Physics 2009-11-11 Latha Venkataraman , Yeon Suk Hong , Philip Kim

Multishell helical gold nanowires (HGNs) suspended between semi-infinite electrodes are found to exhibit peculiar electron-conduction properties by first-principles calculations based on the density functional theory. Our results that the…

Materials Science · Physics 2009-11-10 Tomoya Ono , Kikuji Hirose

Spin-dependent transport through an endohedral fullerene Co@C$_{60}$ dimer with gold electrodes is explored theoretically using density functional and extended H\"{u}ckel theory. Density of states spin polarizations up to 95%, due to…

Mesoscale and Nanoscale Physics · Physics 2013-05-01 Alireza Saffarzadeh , George Kirczenow

We consider transport through a single N@C60 molecule, weakly coupled to metallic leads. Employing a density-matrix formalism we derive rate equations for the occupation probabilities of many-particle states of the molecule. We calculate…

Mesoscale and Nanoscale Physics · Physics 2007-05-23 Florian Elste , Carsten Timm

Investigations of clathrate structures have gained a new impetus with the recent discovery of room-temperature superconductivity in metal hydrides. Here we report the finding, through density functional theory calculations, of a clathrate…

Materials Science · Physics 2021-08-02 Jorge Laranjeira , Leonel Marques , Manuel Melle-Franco , Karol Strutynski , Manuel Barroso

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 measure the conductance of carbon nanotube peapods from room temperature down to 250mK. Our devices show both metallic and semiconducting behavior at room temperature. At the lowest temperatures, we observe single electron effects. Our…

Mesoscale and Nanoscale Physics · Physics 2009-11-11 C. H. L. Quay , John Cumings , S. J. Gamble , A. Yazdani , R. de Picciotto , H. Kataura , D. Goldhaber-Gordon

Motivated by recent experiments, we present here an ab initio study of the impact of the phonon transport on the thermal conductance and thermoelectric figure of merit of C$_{60}$-based single-molecule junctions. To be precise, we combine…

Mesoscale and Nanoscale Physics · Physics 2017-08-22 Jan Christopher Klöckner , Robert Siebler , Juan Carlos Cuevas , Fabian Pauly

Fullerenes have attracted interest for their possible applications in various electronic, biological, and optoelectronic devices. However, for efficient use in such devices, a suitable anchoring group has to be employed that forms…

Monolayer fullerene (C$_{60}$) networks combine molecular-level rigidity with crystalline connectivity, offering a promising platform for numerous applications. In this Feature article, we review the physical and chemical properties of…

Materials Science · Physics 2025-09-01 Bo Peng , Michele Pizzochero

Methods for creating endofullerenes have been steadily improving since their discovery, allowing for new types of endofullerenes to be created in larger numbers. When a molecule is trapped in a fullerene, the fullerene creates a harmonic…

Chemical Physics · Physics 2025-01-27 Jonathan Smucker , Jesus Perez-Rios

A theoretical study proposes the atomic configuration of electron-beam irradiated C$_{60}$ thin films. We examined the electronic structure and electron-transport properties of the C$_{60}$ clusters using density-functional calculations and…

Materials Science · Physics 2015-05-28 Tomoya Ono , Shigeru Tsukamoto

Using density functional methods we calculated structural and electronic properties of bulk chloroform and bromoform intercalated C60, C60 2CHX3 (X=Cl,Br). Both compounds are narrow band insulator materials with a gap between valence and…

Materials Science · Physics 2016-08-31 R. Windiks , A. Bill , B. Delley , V. Z. Kresin

We develop a detailed microscopic analysis of electron transport in normal diffusive conductors in the presence of proximity induced superconducting correlation. We calculated the linear conductance of the system, the profile of the…

Condensed Matter · Physics 2009-10-28 A. A. Golubov , F. K. Wilhelm , A. D. Zaikin