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Related papers: Correlation of Kondo effect and molecular conforma…

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We have performed charge transfer phase formation studies on the donor/acceptor system bis(ethylendithio)tetrathiafulvalene,(BEDT-TTF)/tetracyanoquinodimethane,(TCNQ) by means of physical vapor deposition. We prepared donor/acceptor bilayer…

Materials Science · Physics 2009-03-15 Vita Levitan , Kerstin Keller , Michael Huth

We present transport measurements of the Kondo effect in a double quantum dot charged with only one or two electrons, respectively. For the one electron case we observe a surprising quasi-periodic oscillation of the Kondo conductance as a…

Mesoscale and Nanoscale Physics · Physics 2007-05-23 D. M. Schröer , A. K. Hüttel , K. Eberl , S. Ludwig , M. N. Kiselev , B. L. Altshuler

We investigate the equilibrium and non-equilibrium transport through a quantum dot in the Kondo regime, embedded between a normal metal and a topological superconductor supporting Majorana bound states at its end points. We find that the…

Mesoscale and Nanoscale Physics · Physics 2014-11-07 Razvan Chirla , I. V. Dinu , V. Moldoveanu , Catalin Pascu Moca

The Kondo effect has been observed in a single gate-tunable atom. The measurement device consists of a single As dopant incorporated in a Silicon nanostructure. The atomic orbitals of the dopant are tunable by the gate electric field. When…

Mesoscale and Nanoscale Physics · Physics 2010-02-11 G. P. Lansbergen , G. C. Tettamanzi , J. Verduijn , N. Collaert , S. Biesemans , M. Blaauboer , S. Rogge

The supramolecular interaction between individual singlewall carbon nanotubes and a functional organic material based on tetrathiafulvalene (TTF) is investigated by means of electric transport measurements in field effect transistor…

Using a time-dependent Anderson Hamiltonian, a quantum dot with an ac voltage applied to a nearby gate is investigated. A rich dependence of the linear response conductance on the external frequency and driving amplitude is demonstrated. At…

Mesoscale and Nanoscale Physics · Physics 2007-05-23 Peter Nordlander , Ned S. Wingreen , Yigal Meir , David C. Langreth

We study the gate voltage dependence of the linear conductance through a quantum dot coupled to one-dimensional leads. For interacting dot electrons but noninteracting leads Kondo physics implies broad plateau-like resonances. In the…

Strongly Correlated Electrons · Physics 2007-05-23 S. Andergassen , T. Enss , V. Meden

The magnetic coupling between single Co atoms adsorbed on a copper surface is determined by probing the Kondo resonance using low-temperature scanning tunneling spectroscopy. The Kondo resonance, which is due to magnetic correlation effects…

Strongly Correlated Electrons · Physics 2007-05-23 P. Wahl , P. Simon , L. Diekhoener , V. S. Stepanyuk , P. Bruno , M. A. Schneider , K. Kern

Coordination polymerization leads to various metal-organic frameworks (MOFs) in which symmetrical metal nodes exposed to nano voids lead to unique physical properties and chemical functionalities. One of the challenges towards their…

Mesoscale and Nanoscale Physics · Physics 2016-11-29 Hidetsugu Shiozawa , Bernhard C. Bayer , Herwig Peterlik , Jannik C. Meyer , Wolfgang Lang , Thomas Pichler

We describe the synthesis and single molecule electrical transport properties of a molecular wire containing a ${\pi}$-extended tetrathiafulvalene (exTTF) group and its charge-transfer complex with F4TCNQ. We form single molecule junctions…

The electronic properties of single- and multi-cation transparent conducting oxides (TCOs) are investigated using first-principles density functional approach. A detailed comparison of the electronic band structure of stoichiometric and…

Materials Science · Physics 2015-05-18 Julia E. Medvedeva , Chaminda L. Hettiarachchi

Based on its condensed-matter properties, crystal structure, and metallurgy, which includes a phase diagram with six allotropic phases, plutonium is one of the most complicated pure elements in its solid state. Its anomalous properties,…

Strongly Correlated Electrons · Physics 2015-05-20 Jian-Xin Zhu , R. C. Albers , K. Haule , J. M. Wills

Sulphur vacancies in MoS$_2$ on Au(111) have been shown to be negatively charged as reflected by a Kondo resonance. Here, we use scanning tunneling microscopy to show that these vacancies serve as anchoring sites for thiol-based molecules…

We investigate single Fe and Co atoms buried below a Cu(100) surface using low temperature scanning tunneling spectroscopy. By mapping the local density of states of the itinerant electrons at the surface, the Kondo resonance near the Fermi…

Mesoscale and Nanoscale Physics · Physics 2012-04-24 Henning Prüser , Martin Wenderoth , Alexander Weismann , Rainer G. Ulbrich

Correlations between the localized and conductive spins/charges have been the central issue of various fascinating quantum phenomena found on itinerant electron systems. Here, the obvious multiplet structures are presented on the Mn 2$p$ to…

Coupling between a magnetic impurity and an external bath can give rise to many-body quantum phenomena, including Kondo and Hund's impurity states in metals, and Yu-Shiba-Rusinov states in superconductors. While advances have been made in…

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

By coupling on chip a carbon nanotube to a quantum noise detector, a superconductor-insulator-superconductor junction, via a resonant circuit, we measure the emission noise of a carbon nanotube quantum dot in the Kondo regime. The signature…

Mesoscale and Nanoscale Physics · Physics 2018-02-07 R. Delagrange , J. Basset , H. Bouchiat , R. Deblock

Kondo effect originates from antiferromagnetic (AFM) s-d coupling between magnetic impurity and the conduction electron, while it will be totally quenched in ferromagnetic (FM) regime due to malfunction of spin-flip. We investigate the…

Strongly Correlated Electrons · Physics 2012-11-30 B. Q. Song , L. D. Pan , S. X. Du

The Kondo effect, an eminent manifestation of many-body physics in condensed matter, is traditionally explained as exchange scattering of conduction electrons on a spinful impurity in a metal. The resulting screening of the impurity's local…

Strongly Correlated Electrons · Physics 2019-05-28 M. Gomilšek , R. Žitko , M. Klanjšek , M. Pregelj , C. Baines , Y. Li , Q. M. Zhang , A. Zorko
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