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Related papers: Correlation of Kondo effect and molecular conforma…

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We report a combined experimental and theoretical study of the Kondo effect in a series of binuclear metal-organic complexes of the form [(Me(hfacac)_2)_2(bpym)]^0, with Me = Nickel (II), Manganese(II), Zinc (II); hfacac =…

Mesoscale and Nanoscale Physics · Physics 2015-06-16 L. Zhang , A. Bagrets , D. Xenioti , R. Korytar , M. Schackert , T. Miyamachi , F. Schramm , O. Fuhr , R. Chandrasekar , M. Alouani , M. Ruben , W. Wulfhekel , F. Evers

The joint effect of the electron-phonon interaction and Kondo effect on the nonequilibrium transport through the single molecule transistor is investigated by using the improved canonical transformation scheme and extended equation of…

Mesoscale and Nanoscale Physics · Physics 2016-08-16 Zuo-Zi Chen , Haizhou Lu , Rong Lü , Bang-fen Zhu

In this letter we propose an experiment to measure the Kondo effect for magnetic atoms adsorbed on the surface of a metallic nanowire. In addition to the traditional sp-d hybridization, by introducing the strong electromagnetic field of the…

Mesoscale and Nanoscale Physics · Physics 2007-05-23 Ren-Shou Huang , Yia-Chung Chang

We report Kondo resonances in the conduction of single-molecule transistors based on transition metal coordination complexes. We find Kondo temperatures in excess of 50 K, comparable to those in purely metallic systems. The observed gate…

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

We consider electronic transport through break-junctions bridged by a single molecule in the Kondo regime. We describe the system by a two-channel Anderson model. We take the tunneling matrix elements to depend on the position of the…

Mesoscale and Nanoscale Physics · Physics 2015-05-13 Jernej Mravlje , Anton Ramsak

The interface between the tetrathiafulvalene / tetracyanoquinodimethane (TTFTCNQ) organic blend and the Au(111) metal surface is analyzed by Density Functional Theory calculations, including the effect of the charging energies on the…

Materials Science · Physics 2013-07-12 Jose Ignacio Martinez , Enrique Abad , Juan Beltran , Fernando Flores , Jose Ortega

Density functional theory calculations have been carried out to investigate single-layer phosphorene functionalized with two kinds of organic molecules, i.e. an electrophilic molecule tetracyano-p-quinodimethane (TCNQ) as electron acceptor…

Mesoscale and Nanoscale Physics · Physics 2014-09-26 Ruiqi Zhang , Bin Li , Jinlong Yang

The Kondo resonance is the spectral manifestation of the Kondo properties of the impurity Anderson model, and also plays a central role in the dynamical mean-field theory (DMFT) for correlated electron lattice systems. This article presents…

Strongly Correlated Electrons · Physics 2009-11-11 J. W. Allen

The Kondo effect typically arises from the spin-flip scattering between the localized magnetic moment of the impurity and the delocalized electrons in the metallic host, which leads to a variety of intriguing phenomena. Here, by using…

Strongly Correlated Electrons · Physics 2021-01-19 W. Feng , P. Yang , B. K. Yuan , Z. P. Hu , X. G. Zhu , S. Y. Tan , X. C. Lai , Q. Liu , Q. Y. Chen

We report manipulation of a Kondo resonance originated from the spin-electron interactions between a two-dimensional molecular assembly of TBrPP-Co molecules and a Cu(111) surface at 4.6 K using a low temperature scanning tunneling…

Materials Science · Physics 2015-06-25 Violeta Iancu , Aparna Deshpande , Saw-Wai Hla*

We study the interplay between strong electron-electron and electron-phonon interactions within a two-orbital molecule coupled to metallic leads, taking into account Holstein-like coupling of a local phonon mode to the molecular charge as…

Strongly Correlated Electrons · Physics 2013-04-26 G. I. Luiz , E. Vernek , L. Deng , K. Ingersent , E. V. Anda

We calculate the conductance through strongly correlated T-shaped molecular or quantum dot systems under the influence of phonons. The system is modelled by the extended Anderson-Holstein Hamiltonian. The finite-U mean-field slave boson…

Mesoscale and Nanoscale Physics · Physics 2021-12-22 P. Florków , S. Lipiński

The time-development of the Kondo effect is theoretically investigated by studying a quantum dot suddenly shifted into the Kondo regime by a change of voltage on a nearby gate. Using time-dependent versions of both the Anderson and Kondo…

Mesoscale and Nanoscale Physics · Physics 2009-10-31 Peter Nordlander , Michael Pustilnik , Yigal Meir , Ned S. Wingreen , David C. Langreth

The ability to control electronic states at the nanoscale has contributed to our modern understanding of condensed matter. In particular, quantum dot circuits represent model systems for the study of strong electronic correlations,…

Mesoscale and Nanoscale Physics · Physics 2018-07-25 M. M. Desjardins , J. J. Viennot , M. C Dartiailh , L. E. Bruhat , M. R. Delbecq , M. Lee , M. -S. Choi , A. Cottet , T. Kontos

We investigate the electronic transport through a molecule in the Kondo regime. The tunneling between the electrode and the molecule is asymmetrically modulated by the oscillations of the molecule, i.e., if the molecule gets closer to one…

Mesoscale and Nanoscale Physics · Physics 2008-12-09 J. Mravlje , A. Ramsak

The solid-state structures of organic charge transfer (CT) salts are critical in determining their mode of charge transport, and hence their unusual electrical properties, which range from semiconducting through metallic to superconducting.…

Mesoscale and Nanoscale Physics · Physics 2016-01-05 Andrea Vezzoli , Iain Grace , Carly Brooke , Kun Wang , Colin J. Lambert , Bingqian Xu , Richard J. Nichols , Simon J. Higgins

We study the Kondo screening effect generated by a single-electron transistor or quantum dot embedded in a small metallic ring. When the ring circumference $L$ becomes comparable to the fundamental length scale $\xi_K^0=\hbar \upsilon…

Strongly Correlated Electrons · Physics 2013-01-24 Hui Hu , Guang-Ming Zhang , Lu Yu

Using angle-resolved photoemission spectroscopy, we show the direct evidence of charge transfer between adsorbed molecules and metal substrate, i.e. chemisorption of CO on Pt(111) and Pt-Sn/Pt(111) 2x2 surfaces. The observed band structure…

Using a state-of-the art combination of density functional theory and impurity solver techniques we present a complete and parameter-free picture of the Kondo effect in the high-spin ($S=3/2$) coordination complex known as Manganese…

Mesoscale and Nanoscale Physics · Physics 2015-06-17 D. Jacob , M. Soriano , J. J. Palacios

We consider electromechanical properties of a single-electronic device consisting of movable quantum dot attached to a vibrating cantilever, forming a tunnel contact with a non-movable source electrode. We show that the resonance Kondo…

Mesoscale and Nanoscale Physics · Physics 2015-06-05 M. N. Kiselev , K. A. Kikoin , L. Y. Gorelik , R. I. Shekhter