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Related papers: Transport properties of individual C60-molecules

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The electrical conductance of molecular junctions may strongly depend on the temperature, and weakly on molecular length, under two distinct mechanisms: phase-coherent resonant conduction, with charges proceeding via delocalized molecular…

Mesoscale and Nanoscale Physics · Physics 2017-12-25 Hyehwang Kim , Dvira Segal

Scanning tunneling spectra on single C60 molecules that are sufficiently decoupled from the substrate exhibit a characteristic fine structure, which is explained as due to the dynamic Jahn-Teller effect. Using electron-phonon couplings…

Mesoscale and Nanoscale Physics · Physics 2008-12-01 T. Frederiksen , K. J. Franke , A. Arnau , G. Schulze , J. I. Pascual , N. Lorente

We present a systematic study of the ballistic electron conductance through sp and 3d transition metal atoms attached to copper and palladium crystalline electrodes. We employ the 'ab initio' screened Korringa-Kohn-Rostoker Green's function…

Materials Science · Physics 2007-05-23 Alexei Bagrets , Nikos Papanikolaou , Ingrid Mertig

We have investigated the conductance properties of C60-containing self-assembled monolayers (SAMs), which are used in organic field-effect transistors, employing a combination of molecular-dynamics simulations, semiempirical electronic…

Mesoscale and Nanoscale Physics · Physics 2015-06-19 Susanne Leitherer , Christof Jäger , Marcus Halik , Timothy Clark , Michael Thoss

The band structure of the novel low-temperature thermoelectric material, \CBT, is calculated and analyzed using the semi-classic transport equations. It is shown that to obtain a quantitative agreement with measured transport properties a…

Materials Science · Physics 2007-05-23 Lars Lykke , Bo B. Iversen , Georg K. H. Madsen

Combination of different nontrivial topological states in a single material is capable of realizing multiple functionalities and exotic physics, but such materials are still very sparse. We report herein the results of magnetotransport…

Strongly Correlated Electrons · Physics 2020-05-27 Hao Su , Xianbiao Shi , Wei Xia , Hongyuan Wang , Xuesong Hanli , Zhenhai Yu , Xia Wang , Zhiqiang Zou , Na Yu , Weiwei Zhao , Gang Xu , Yanfeng Guo

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 use dynamical mean-field theory to study how electronic transport in multi-orbital metals is influenced by correlated (nominally) empty orbitals that are in proximity to the Fermi level. Specifically, we study 2 + 1 orbital and 3 + 2…

Strongly Correlated Electrons · Physics 2025-03-10 Johanna Moser , Jernej Mravlje , Markus Aichhorn

The electronic states of isostructural single-component molecular conductors [M(tmdt)2] (M= Ni, Au, and Cu) are theoretically studied. By considering fragments of molecular orbitals as basis functions, we construct a multiorbital model…

Strongly Correlated Electrons · Physics 2013-04-17 Hitoshi Seo , Shoji Ishibashi , Yuichi Otsuka , Hidetoshi Fukuyama , Kiyoyuki Terakura

Electronic and thermoelectric transport in zigzag monolayer WSe$_2$ nanoribbons are studied under monochromatic irradiation. The electronic structure is described within a six-orbital tight-binding framework constructed from the relevant…

Mesoscale and Nanoscale Physics · Physics 2026-02-27 Cynthia Ihuoma Osuala , Tanu Choudhary , Raju K. Biswas , Sudin Ganguly , Santanu K. Maiti

The metal-semiconductor contact is a major factor limiting the shrinking of transistor dimension to further increase device performance. In-plane edge contacts have the potential to achieve lower contact resistance due to stronger orbital…

Mesoscale and Nanoscale Physics · Physics 2019-02-15 Wushi Dong , Peter B. Littlewood

We investigate from first-principles the change in transport properties of a two-dimensional azobenzene monolayer sandwiched between two Au electrodes that undergoes molecular switching. We focus on transport differences between a…

Mesoscale and Nanoscale Physics · Physics 2012-08-07 Yan Wang , Hai-Ping Cheng

We study computationally the electron transport properties of dithiocarboxylate terminated molecular junctions. Transport properties are computed self-consistently within density functional theory and nonequilibrium Green's functions…

Materials Science · Physics 2007-05-23 Zhenyu Li , D. S. Kosov

We theoretically investigate the transport properties of a weak coherent input field scattered by an ensemble of $\Lambda$-type atoms coupled to a one-dimensional photonic crystal waveguide. In our model, the atoms are randomly located in…

Quantum Physics · Physics 2018-08-15 Guo-Zhu Song , Ewan Munro , Wei Nie , Leong-Chuan Kwek , Fu-Guo Deng , Gui-Lu Long

The coupling of the charge carriers passing through a molecule bridging two bulky conductors with local vibrational modes of the molecule, gives rise to distinct features in the electronic transport properties on one hand, and to…

Mesoscale and Nanoscale Physics · Physics 2017-02-01 A. Ueda , Y. Utsumi , Y. Tokura , O. Entin-Wohlman , A. Aharony

Modeling of electron transport through organic molecules is presented in order to interpret the experimental data of Rosink et al. [PRB 62, 10459 (2000)]. Such results are understand as coherent off-resonance tunneling through the junction…

Soft Condensed Matter · Physics 2007-05-23 Kamil Walczak

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

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

Non-equilibrium Green's functions (NEGF) formalism combined with extended Huckel (EHT) and charging model are used to study electrical conduction through single-molecule junctions. Analyzed molecular complex is composed of asymmetric…

Mesoscale and Nanoscale Physics · Physics 2009-11-11 Kamil Walczak , Sergey Edward Lyshevski

The Kondo effect in condensed-matter systems manifests itself most sharply in their transport measurements. Here we propose an analogous transport signature of the orbital Kondo effect realized with ultracold atoms. Our system consists of…

Quantum Gases · Physics 2016-01-27 Yusuke Nishida
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