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Related papers: Cooperative effects in inelastic tunneling

200 papers

In single-molecule transistors, we observe inelastic cotunneling features that correspond energetically to vibrational excitations of the molecule, as determined by Raman and infrared spectroscopy. This is a form of inelastic electron…

Mesoscale and Nanoscale Physics · Physics 2007-05-23 L. H. Yu , Z. K. Keane , J. W. Ciszek , L. Cheng , M. P. Stewart , J. M. Tour , D. Natelson

We theoretically study the effects of bias-controlled interdot tunneling in vertically coupled quantum dots on the emission properties of spin excitons in various bias-controlled tunneling regimes. As a main result, for strongly coupled…

Mesoscale and Nanoscale Physics · Physics 2015-05-13 Hanz Y. Ramirez , Shun-Jen Cheng

Vibrationally inelastic electron transport through a flexible molecular junction is investigated. The study is based on a mechanistic model for a biphenyl molecule between two metal electrodes. Employing methods from electron-molecule…

Mesoscale and Nanoscale Physics · Physics 2023-07-26 Martin Cizek , Michael Thoss , Wolfgang Domcke

A theoretical analysis of inelastic electron tunneling spectroscopy (IETS) experiments conducted on molecular junctions are presented, where the second derivative of the current with respect to voltage is usually plotted as a function of…

Mesoscale and Nanoscale Physics · Physics 2009-11-13 Kamil Walczak

We show that the formation of a gel by conducting colloidal particles leads to a dramatic enhancement in bulk conductivity, due to inter-particle electron tunneling, combining predictions from molecular dynamics simulations with structural…

Soft Condensed Matter · Physics 2013-06-24 Biagio Nigro , Claudio Grimaldi , Peter Ryser , Francesco Varrato , Giuseppe Foffi , Peter J. Lu

The evolution of electron conductance in the presence of inelastic effects is studied as an atomic gold contact is formed evolving from a low-conductance regime (tunneling) to a high-conductance regime (contact). In order to characterize…

Mesoscale and Nanoscale Physics · Physics 2007-06-25 Thomas Frederiksen , Nicolas Lorente , Magnus Paulsson , Mads Brandbyge

In the past decade, a new research frontier emerges at the interface between physics and renewable energy, termed as the inelastic thermoelectric effects where inelastic transport processes play a key role. The study of inelastic…

Mesoscale and Nanoscale Physics · Physics 2022-07-13 Rongqian Wang , Chen Wang , Jincheng Lu , Jian-Hua Jiang

We investigate the effect of weak interactions on the full counting statistics of charge transfer through an arbitrary mesoscopic conductor. We show that the main effect can be incorporated into an energy dependence of the transmission…

Mesoscale and Nanoscale Physics · Physics 2009-11-10 M. Kindermann , Yu. V. Nazarov

We report on inelastic electron tunneling spectroscopy measurements carried out on single molecules incorporated into a mechanically controllable break-junction of Au and Pt electrodes at low temperature. Here we establish a correlation…

Mesoscale and Nanoscale Physics · Physics 2010-11-16 Youngsang Kim , Hyunwook Song , Florian Strigl , Hans-Fridtjof Pernau , Takhee Lee , Elke Scheer

The tunneling spectra of small metallic grains shows an unusual structure of the differential conductance peaks. Namely, resonance peaks appear in clusters, or develop substructure as the the gate voltage is changed. These features are…

Condensed Matter · Physics 2007-05-23 Oded Agam

We investigate the effect of the dipole-dipole interaction on the quantum jump statistics of three atoms. This is done for three-level systems in a V configuration and in what may be called a D configuration. The transition rates between…

Quantum Physics · Physics 2007-05-23 Volker Hannstein , Gerhard C. Hegerfeldt

We consider simple models of tunneling of an object with intrinsic degrees of freedom. This important problem was not extensively studied until now, in spite of numerous applications in various areas of physics and astrophysics. We show…

Nuclear Theory · Physics 2008-11-26 C. A. Bertulani , V. V. Flambaum , V. G. Zelevinsky

We study the transport through a molecular junction exhibiting interference effects. We show that these effects can still be observed in the presence of molecular vibrations if Coulomb repulsion is taken into account. In the Kondo regime,…

Strongly Correlated Electrons · Physics 2019-09-04 P. Roura-Bas , F. Güller , L. Tosi , A. A. Aligia

We develop a general theory for thermal transport in anharmonic systems under the weak system-bath coupling approximation similar to the quantum master equation formalism. A current operator is derived, which is valid not only in the steady…

Mesoscale and Nanoscale Physics · Physics 2012-05-28 Juzar Thingna , J. L. García-Palacios , Jian-Sheng Wang

We report on the single-molecule electronic and thermoelectric properties of strategically chosen anthracene-based molecules with anchor groups capable of binding to noble metal substrates, such as gold and platinum. Specifically, we study…

A detailed computational analysis has been performed, considering copper atomic contacts that are exposed directly to water molecules, hydroxyl groups, and monatomic as well as molecular hydrogen and oxygen species. The optimized physical…

Chemical Physics · Physics 2020-02-28 Firuz Demir , Kevin Dean , George Kirczenow

We report inelastic electron tunneling spectroscopy (IETS) of multilayer molecular junctions with and without incorporated metal nano-particles. The incorporation of metal nanoparticles into our devices leads to enhanced IET intensity and a…

Mesoscale and Nanoscale Physics · Physics 2009-11-13 Lam H. Yu , Christopher D. Zangmeister , James G. Kushmerick

We analyze various limits of vibrationally coupled resonant electron transport in single-molecule junctions. Based on a master equation approach, we discuss analytic and numerical results for junctions under a high bias voltage or weak…

Mesoscale and Nanoscale Physics · Physics 2015-03-18 R. Härtle , M. Thoss

We consider the problem of electron transport in segregated conductor-insulator composites in which the conducting particles are connected to all others via tunneling conductances, thus forming a global tunnelingconnected resistor network.…

Disordered Systems and Neural Networks · Physics 2012-01-23 B. Nigro , C. Grimaldi , P. Ryser

We study the magnetization dynamics in a ferromagnet-insulator-superconductor tunnel junction and the associated buildup of the electrical polarization. We show that for an open circuit, the induced voltage varies strongly and…

Mesoscale and Nanoscale Physics · Physics 2013-09-02 Mircea Trif , Yaroslav Tserkovnyak