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Related papers: Transport properties of individual C60-molecules

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Optically driven quantum materials exhibit a variety of non-equilibrium functional phenomena [1-11], which are potentially associated with unique transport properties. However, these transient electrical responses have remained largely…

Superconductivity · Physics 2023-01-18 E. Wang , J. D. Adelinia , M. Chavez-Cervantes , T. Matsuyama , M. Fechner , M. Buzzi , G. Meier , A. Cavalleri

Metal-string complexes in the quasi-1D framework may play an important role in molecular electronics by serving not only as nanoscale interconnects but also as active functional elements for nanoelectronic devices. However, because of the…

Mesoscale and Nanoscale Physics · Physics 2020-01-03 Talem Rebeda Roy , Arijit Sen

Applying a first-principles computational approach, we have systematically analyzed the effects of [2+2] cycloaddition oligomerization of fullerene C60 chains on their junction electronic and charge transport properties. For hypothetical…

Mesoscale and Nanoscale Physics · Physics 2014-07-09 Han Seul Kim , Jhinhwan Lee , Yong-Hoon Kim

The electronic transport through Au-(Cu$_{2}$O)$_n$-Au junctions is investigated using first-principles calculations and the nonequilibrium Green's function method. The effect of varying the thickness (i.e., $n$) is studied as well as that…

Materials Science · Physics 2016-06-07 Mohamed M. Fadlallah , Ulrich Eckern , Udo Schwingenschlögl

The study of electron transport through single molecules is essential to the development of molecular electronics. Indeed, trends in electronic conductance through organic nanowires have emerged with the increasing reliability of electron…

Mesoscale and Nanoscale Physics · Physics 2007-05-24 Jordan R. Quinn , Frank W. Foss , Latha Venkataraman , Mark S. Hybertsen , Ronald Breslow

Understanding the microscopic spatio-temporal dynamics of nonequilibrium charge carriers in heterosystems promises optimization of process and device design towards desired energy transfer. Hot electron transport is governed by scattering…

Transport properties are among the defining characteristics of many important phases in condensed matter physics. In the presence of strong correlations they are difficult to predict even for model systems like the Hubbard model. In real…

Using low-temperature scanning tunneling microscopy we find that perylenetetracarboxylic-dianhydride on Au(788) exhibits three coexisting adsorption phases. Single-molecule tunneling spectroscopy reveals orbital energies, which differ in…

Other Condensed Matter · Physics 2007-05-23 J. Kroeger , H. Jensen , R. Berndt , R. Rurali , N. Lorente

We calculate the temperature dependence of the transport properties of heavy-fermion systems such as resistivity, optical conductivity, thermoelectric power, the electronic part of the thermal conductivity, and the "figure of merit." The…

Strongly Correlated Electrons · Physics 2009-11-11 Claas Grenzebach , Frithjof B. Anders , Gerd Czycholl , Thomas Pruschke

Single-molecule electronics has been envisioned as the ultimate goal in the miniaturisation of electronic circuits. While the aim of incorporating single-molecule junctions into modern technology still proves elusive, recent developments in…

Mesoscale and Nanoscale Physics · Physics 2017-11-22 Jakub K. Sowa , Jan A. Mol , G. Andrew D. Briggs , Erik M. Gauger

We present first-principles calculations of the dI/dV characteristics of an H2 molecule sandwiched between Au and Pt electrodes in the presence of electron-phonon interactions. The conductance is found to decrease by a few percentage at…

Mesoscale and Nanoscale Physics · Physics 2015-05-13 I. S. Kristensen , M. Paulsson , K. S. Thygesen , K. W. Jacobsen

We present a scheme for calculating coherent electron transport in atomic-scale contacts. The method combines a formally exact Green's function formalism with a mean-field description of the electronic structure based on the Kohn-Sham…

Mesoscale and Nanoscale Physics · Physics 2009-11-11 K. S. Thygesen , K. W. Jacobsen

We investigate finite temperature corrections to the Landauer formula due to electron-electron interaction within the quantum point contact. When the Fermi level is close to the barrier height, the interaction is strongly enhanced due to…

Mesoscale and Nanoscale Physics · Physics 2007-05-23 C. Sloggett , A. I. Milstein , O. P. Sushkov

We investigate the transport through a nanoscale device consisting of a degenerate double-orbital Anderson dot coupled to two uncorrelated leads. We determine the thermoelectric transport properties close to the one-electron regime and…

Mesoscale and Nanoscale Physics · Physics 2012-08-06 J. Azema , A. -M. Daré , S. Schäfer , P. Lombardo

We present a simple and reliable method for making electrical contacts to small organic molecules with thiol endgroups. Nanometer-scale gaps between metallic electrodes have been fabricated by passing a large current through a…

Mesoscale and Nanoscale Physics · Physics 2009-11-10 Subhasis Ghosh , Henny Halimun , Jaewon Choi , Saurabh Lodha , David Janes

We do parametric calculations to elucidate multi-terminal electron transport properties through a molecular system where a single phenalenyl molecule is attached to semi-infinite one-dimensional metallic leads. A formalism based on the…

Mesoscale and Nanoscale Physics · Physics 2010-05-25 Paramita Dutta , Santanu K. Maiti , S. N. Karmakar

A wide range of unconventional transport phenomena have recently been observed in single-crystal delafossite metals. Here, we present a theoretical framework to elucidate electron transport using a combination of first-principles…

Materials Science · Physics 2022-08-17 Georgios Varnavides , Yaxian Wang , Philip J. W. Moll , Polina Anikeeva , Prineha Narang

Electron transport characteristics are investigated through some molecular chains attached to two non-superconducting electrodes by the use of Green's function method. Here we do parametric calculations based on the tight-binding…

Mesoscale and Nanoscale Physics · Physics 2009-07-31 Santanu K. Maiti

Using a first principles approach, we study the electron transport properties of a new class of molecular wires containing fluorenone units, whose features open up new possibilities for controlling transport through a single molecule. We…

Mesoscale and Nanoscale Physics · Physics 2007-05-23 C. J. Lambert , I. M. Grace , T. Papadopoulos

Thermal conductivity measurements can provide key and experimentally verifiable insight into the electronic transport of unconventional superconductors. In this work, electronic thermal transport of two-dimensional tight-binding metallic…

Superconductivity · Physics 2023-08-16 Sean F Peterson , Sourav Sen Choudhury , Yves Idzerda